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Diffstat (limited to 'packages/ncurses/6.5/ncurses-6.5-20241207.patch')
-rw-r--r--packages/ncurses/6.5/ncurses-6.5-20241207.patch16808
1 files changed, 16808 insertions, 0 deletions
diff --git a/packages/ncurses/6.5/ncurses-6.5-20241207.patch b/packages/ncurses/6.5/ncurses-6.5-20241207.patch
new file mode 100644
index 00000000..952fd072
--- /dev/null
+++ b/packages/ncurses/6.5/ncurses-6.5-20241207.patch
@@ -0,0 +1,16808 @@
+# ncurses 6.5 - patch 20241207 - Thomas E. Dickey
+#
+# ------------------------------------------------------------------------------
+#
+# Ncurses 6.5 is at
+# https://invisible-island.net/archives/ncurses/
+# https://invisible-mirror.net/archives/ncurses/
+# https://ftp.gnu.org/gnu/ncurses/
+#
+# Patches for ncurses 6.5 can be found at
+# https://invisible-island.net/archives/ncurses/6.5
+# https://invisible-mirror.net/archives/ncurses/6.5
+#
+# ------------------------------------------------------------------------------
+# https://invisible-island.net/archives/ncurses/6.5/ncurses-6.5-20241207.patch.gz
+# patch by Thomas E. Dickey <dickey@invisible-island.net>
+# created Sun Dec 8 02:11:12 UTC 2024
+# ------------------------------------------------------------------------------
+# NEWS | 5
+# VERSION | 2
+# dist.mk | 4
+# form/fld_arg.c | 6 -
+# form/fld_attr.c | 6 -
+# form/fld_current.c | 12 +-
+# form/fld_def.c | 26 ++--
+# form/form.priv.h | 8 -
+# form/frm_driver.c | 28 ++--
+# form/frm_req_name.c | 6 -
+# form/fty_enum.c | 6 -
+# form/fty_generic.c | 13 +-
+# form/fty_int.c | 4
+# form/fty_num.c | 4
+# form/fty_regex.c | 8 -
+# include/curses.h.in | 8 -
+# menu/m_driver.c | 8 -
+# menu/m_global.c | 14 +-
+# menu/m_item_new.c | 10 -
+# menu/m_pattern.c | 6 -
+# menu/m_req_name.c | 6 -
+# menu/mf_common.h | 4
+# ncurses/base/MKkeyname.awk | 30 ++---
+# ncurses/base/MKlib_gen.sh | 5
+# ncurses/base/MKunctrl.awk | 10 -
+# ncurses/base/define_key.c | 10 -
+# ncurses/base/key_defined.c | 10 -
+# ncurses/base/keybound.c | 8 -
+# ncurses/base/keyok.c | 8 -
+# ncurses/base/legacy_coding.c | 6 -
+# ncurses/base/lib_addch.c | 6 -
+# ncurses/base/lib_addstr.c | 10 -
+# ncurses/base/lib_beep.c | 6 -
+# ncurses/base/lib_bkgd.c | 6 -
+# ncurses/base/lib_color.c | 38 +++---
+# ncurses/base/lib_colorset.c | 6 -
+# ncurses/base/lib_delwin.c | 6 -
+# ncurses/base/lib_dft_fgbg.c | 8 -
+# ncurses/base/lib_echo.c | 8 -
+# ncurses/base/lib_erase.c | 6 -
+# ncurses/base/lib_freeall.c | 14 +-
+# ncurses/base/lib_getch.c | 6 -
+# ncurses/base/lib_initscr.c | 6 -
+# ncurses/base/lib_insch.c | 6 -
+# ncurses/base/lib_insnstr.c | 8 -
+# ncurses/base/lib_instr.c | 12 +-
+# ncurses/base/lib_mouse.c | 28 ++--
+# ncurses/base/lib_newterm.c | 18 +--
+# ncurses/base/lib_newwin.c | 67 ++++++-----
+# ncurses/base/lib_nl.c | 8 -
+# ncurses/base/lib_overlay.c | 10 -
+# ncurses/base/lib_pad.c | 16 +-
+# ncurses/base/lib_printw.c | 6 -
+# ncurses/base/lib_redrawln.c | 6 -
+# ncurses/base/lib_restart.c | 6 -
+# ncurses/base/lib_screen.c | 56 ++++-----
+# ncurses/base/lib_set_term.c | 74 ++++++-------
+# ncurses/base/lib_slk.c | 20 +--
+# ncurses/base/lib_slkatr_set.c | 8 -
+# ncurses/base/lib_slkatrof.c | 6 -
+# ncurses/base/lib_slkatron.c | 6 -
+# ncurses/base/lib_slkatrset.c | 6 -
+# ncurses/base/lib_slkattr.c | 6 -
+# ncurses/base/lib_slkclear.c | 6 -
+# ncurses/base/lib_slkcolor.c | 8 -
+# ncurses/base/lib_slklab.c | 8 -
+# ncurses/base/lib_slkrefr.c | 8 -
+# ncurses/base/lib_slkset.c | 16 +-
+# ncurses/base/lib_slktouch.c | 6 -
+# ncurses/base/lib_ungetch.c | 6 -
+# ncurses/base/lib_wattron.c | 6 -
+# ncurses/base/lib_winch.c | 6 -
+# ncurses/base/lib_window.c | 14 +-
+# ncurses/base/nc_panel.c | 6 -
+# ncurses/base/new_pair.c | 12 +-
+# ncurses/base/resizeterm.c | 24 ++--
+# ncurses/base/tries.c | 20 +--
+# ncurses/base/wresize.c | 16 +-
+# ncurses/curses.priv.h | 50 ++++----
+# ncurses/new_pair.h | 4
+# ncurses/report_offsets.c | 8 -
+# ncurses/tinfo/MKcaptab.awk | 6 -
+# ncurses/tinfo/MKcaptab.sh | 22 +--
+# ncurses/tinfo/MKcodes.awk | 6 -
+# ncurses/tinfo/MKfallback.sh | 6 -
+# ncurses/tinfo/MKnames.awk | 6 -
+# ncurses/tinfo/MKuserdefs.sh | 8 -
+# ncurses/tinfo/access.c | 12 +-
+# ncurses/tinfo/add_tries.c | 18 +--
+# ncurses/tinfo/alloc_entry.c | 12 +-
+# ncurses/tinfo/alloc_ttype.c | 12 +-
+# ncurses/tinfo/captoinfo.c | 24 ++--
+# ncurses/tinfo/comp_error.c | 16 +-
+# ncurses/tinfo/comp_expand.c | 18 +--
+# ncurses/tinfo/comp_hash.c | 14 +-
+# ncurses/tinfo/comp_parse.c | 20 +--
+# ncurses/tinfo/comp_scan.c | 62 +++++-----
+# ncurses/tinfo/db_iterator.c | 54 ++++-----
+# ncurses/tinfo/doalloc.c | 6 -
+# ncurses/tinfo/entries.c | 24 ++--
+# ncurses/tinfo/getenv_num.c | 8 -
+# ncurses/tinfo/home_terminfo.c | 8 -
+# ncurses/tinfo/init_keytry.c | 6 -
+# ncurses/tinfo/lib_acs.c | 12 +-
+# ncurses/tinfo/lib_baudrate.c | 6 -
+# ncurses/tinfo/lib_cur_term.c | 14 +-
+# ncurses/tinfo/lib_data.c | 26 ++--
+# ncurses/tinfo/lib_kernel.c | 10 -
+# ncurses/tinfo/lib_options.c | 16 +-
+# ncurses/tinfo/lib_print.c | 6 -
+# ncurses/tinfo/lib_raw.c | 18 +--
+# ncurses/tinfo/lib_setup.c | 49 ++++----
+# ncurses/tinfo/lib_termcap.c | 44 +++----
+# ncurses/tinfo/lib_termname.c | 8 -
+# ncurses/tinfo/lib_ti.c | 10 -
+# ncurses/tinfo/lib_tparm.c | 32 ++---
+# ncurses/tinfo/lib_tputs.c | 22 +--
+# ncurses/tinfo/lib_ttyflags.c | 28 ++--
+# ncurses/tinfo/make_hash.c | 38 +++---
+# ncurses/tinfo/make_keys.c | 22 +--
+# ncurses/tinfo/name_match.c | 14 +-
+# ncurses/tinfo/obsolete.c | 8 -
+# ncurses/tinfo/parse_entry.c | 24 ++--
+# ncurses/tinfo/read_entry.c | 22 +--
+# ncurses/tinfo/strings.c | 14 +-
+# ncurses/tinfo/trim_sgr0.c | 12 +-
+# ncurses/tinfo/write_entry.c | 12 +-
+# ncurses/trace/lib_trace.c | 16 +-
+# ncurses/trace/lib_traceatr.c | 24 ++--
+# ncurses/trace/lib_tracebits.c | 6 -
+# ncurses/trace/lib_tracechr.c | 8 -
+# ncurses/trace/lib_tracedmp.c | 8 -
+# ncurses/trace/lib_tracemse.c | 10 -
+# ncurses/trace/trace_buf.c | 26 ++--
+# ncurses/trace/trace_tries.c | 10 -
+# ncurses/trace/varargs.c | 10 -
+# ncurses/trace/visbuf.c | 20 +--
+# ncurses/tty/MKexpanded.sh | 11 +
+# ncurses/tty/hardscroll.c | 12 +-
+# ncurses/tty/hashmap.c | 6 -
+# ncurses/tty/lib_mvcur.c | 24 ++--
+# ncurses/tty/lib_tstp.c | 8 -
+# ncurses/tty/lib_twait.c | 4
+# ncurses/tty/lib_vidattr.c | 10 -
+# ncurses/tty/tty_update.c | 28 ++--
+# ncurses/wcwidth.h | 4
+# ncurses/widechar/lib_add_wch.c | 4
+# ncurses/widechar/lib_box_set.c | 6 -
+# ncurses/widechar/lib_cchar.c | 4
+# ncurses/widechar/lib_get_wch.c | 8 -
+# ncurses/widechar/lib_hline_set.c | 6 -
+# ncurses/widechar/lib_in_wch.c | 8 -
+# ncurses/widechar/lib_in_wchnstr.c | 6 -
+# ncurses/widechar/lib_ins_wch.c | 8 -
+# ncurses/widechar/lib_inwstr.c | 6 -
+# ncurses/widechar/lib_pecho_wchar.c | 6 -
+# ncurses/widechar/lib_slk_wset.c | 8 -
+# ncurses/widechar/lib_unget_wch.c | 10 -
+# ncurses/widechar/lib_vid_attr.c | 26 ++--
+# ncurses/widechar/lib_vline_set.c | 6 -
+# ncurses/widechar/lib_wacs.c | 8 -
+# ncurses/widechar/lib_wunctrl.c | 8 -
+# package/debian-mingw/changelog | 4
+# package/debian-mingw64/changelog | 4
+# package/debian/changelog | 4
+# package/mingw-ncurses.nsi | 4
+# package/mingw-ncurses.spec | 2
+# package/ncurses.spec | 2
+# package/ncursest.spec | 2
+# panel/p_above.c | 16 +-
+# panel/p_below.c | 18 +--
+# panel/p_new.c | 6 -
+# panel/panel.c | 18 +--
+# panel/panel.priv.h | 6 -
+# progs/dump_entry.c | 40 +++----
+# progs/infocmp.c | 56 ++++-----
+# progs/reset_cmd.c | 18 +--
+# progs/tabs.c | 38 +++---
+# progs/tic.c | 118 ++++++++++----------
+# progs/toe.c | 50 ++++----
+# progs/tput.c | 14 +-
+# progs/tset.c | 54 ++++-----
+# test/blue.c | 4
+# test/bs.c | 12 +-
+# test/cardfile.c | 52 ++++-----
+# test/chgat.c | 24 ++--
+# test/clip_printw.c | 24 ++--
+# test/color_content.c | 4
+# test/color_name.h | 8 -
+# test/combine.c | 4
+# test/demo_altkeys.c | 12 +-
+# test/demo_defkey.c | 30 ++---
+# test/demo_forms.c | 36 +++---
+# test/demo_keyok.c | 4
+# test/demo_menus.c | 58 +++++-----
+# test/demo_new_pair.c | 8 -
+# test/demo_panels.c | 48 ++++----
+# test/demo_termcap.c | 64 +++++------
+# test/demo_terminfo.c | 66 +++++------
+# test/ditto.c | 20 +--
+# test/dots.c | 8 -
+# test/dots_curses.c | 4
+# test/dots_mvcur.c | 10 -
+# test/dots_termcap.c | 16 +-
+# test/dots_xcurses.c | 4
+# test/dump_window.c | 18 +--
+# test/dup_field.c | 12 +-
+# test/echochar.c | 10 -
+# test/edit_field.c | 14 +-
+# test/filter.c | 12 +-
+# test/foldkeys.c | 16 +-
+# test/form_driver_w.c | 4
+# test/gdc.c | 6 -
+# test/inch_wide.c | 14 +-
+# test/inchs.c | 16 +-
+# test/ins_wide.c | 8 -
+# test/insdelln.c | 22 +--
+# test/inserts.c | 8 -
+# test/key_names.c | 6 -
+# test/keynames.c | 6 -
+# test/linedata.h | 10 -
+# test/list_keys.c | 12 +-
+# test/move_field.c | 12 +-
+# test/movewindow.c | 42 +++----
+# test/ncurses.c | 199 +++++++++++++++++------------------
+# test/padview.c | 18 +--
+# test/pair_content.c | 4
+# test/picsmap.c | 132 +++++++++++------------
+# test/popup_msg.c | 8 -
+# test/railroad.c | 30 ++---
+# test/rain.c | 4
+# test/redraw.c | 4
+# test/savescreen.c | 22 +--
+# test/sp_tinfo.c | 10 -
+# test/tclock.c | 4
+# test/test_add_wchstr.c | 18 +--
+# test/test_addchstr.c | 18 +--
+# test/test_addstr.c | 8 -
+# test/test_addwstr.c | 8 -
+# test/test_arrays.c | 4
+# test/test_get_wstr.c | 14 +-
+# test/test_getstr.c | 14 +-
+# test/test_instr.c | 14 +-
+# test/test_inwstr.c | 14 +-
+# test/test_opaque.c | 12 +-
+# test/test_setupterm.c | 10 -
+# test/test_sgr.c | 24 ++--
+# test/test_tparm.c | 49 ++++----
+# test/test_vid_puts.c | 6 -
+# test/test_vidputs.c | 4
+# test/testcurs.c | 12 +-
+# test/view.c | 26 ++--
+# test/xmas.c | 78 ++++++-------
+# 253 files changed, 2122 insertions(+), 2100 deletions(-)
+# ------------------------------------------------------------------------------
+Index: NEWS
+Prereq: 1.4207
+--- ncurses-6.5-20241130+/NEWS 2024-11-30 19:41:55.000000000 +0000
++++ ncurses-6.5-20241207/NEWS 2024-12-07 23:51:39.000000000 +0000
+@@ -26,7 +26,7 @@
+ -- sale, use or other dealings in this Software without prior written --
+ -- authorization. --
+ -------------------------------------------------------------------------------
+--- $Id: NEWS,v 1.4207 2024/11/30 19:41:55 tom Exp $
++-- $Id: NEWS,v 1.4209 2024/12/07 23:51:39 tom Exp $
+ -------------------------------------------------------------------------------
+
+ This is a log of changes that ncurses has gone through since Zeyd started
+@@ -46,6 +46,9 @@
+ Changes through 1.9.9e did not credit all contributions;
+ it is not possible to add this information.
+
++20241207
++ + strict compiler-warning fixes for upcoming gcc15
++
+ 20241130
+ + improve configure check for lint program.
+ + adjust options in test-programs to allow for consistent use of -c/-l
+Index: VERSION
+--- ncurses-6.5-20241130+/VERSION 2024-11-30 10:55:07.000000000 +0000
++++ ncurses-6.5-20241207/VERSION 2024-12-07 11:51:44.000000000 +0000
+@@ -1 +1 @@
+-5:0:10 6.5 20241130
++5:0:10 6.5 20241207
+Index: dist.mk
+Prereq: 1.1643
+--- ncurses-6.5-20241130+/dist.mk 2024-11-30 10:55:07.000000000 +0000
++++ ncurses-6.5-20241207/dist.mk 2024-12-07 11:51:44.000000000 +0000
+@@ -26,7 +26,7 @@
+ # use or other dealings in this Software without prior written #
+ # authorization. #
+ ##############################################################################
+-# $Id: dist.mk,v 1.1643 2024/11/30 10:55:07 tom Exp $
++# $Id: dist.mk,v 1.1644 2024/12/07 11:51:44 tom Exp $
+ # Makefile for creating ncurses distributions.
+ #
+ # This only needs to be used directly as a makefile by developers, but
+@@ -38,7 +38,7 @@
+ # These define the major/minor/patch versions of ncurses.
+ NCURSES_MAJOR = 6
+ NCURSES_MINOR = 5
+-NCURSES_PATCH = 20241130
++NCURSES_PATCH = 20241207
+
+ # We don't append the patch to the version, since this only applies to releases
+ VERSION = $(NCURSES_MAJOR).$(NCURSES_MINOR)
+Index: form/fld_arg.c
+Prereq: 1.18
+--- ncurses-6.5-20241130+/form/fld_arg.c 2020-12-11 22:05:24.000000000 +0000
++++ ncurses-6.5-20241207/form/fld_arg.c 2024-12-07 23:00:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2018,2020 Thomas E. Dickey *
++ * Copyright 2018-2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2012,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -33,7 +33,7 @@
+
+ #include "form.priv.h"
+
+-MODULE_ID("$Id: fld_arg.c,v 1.18 2020/12/11 22:05:24 tom Exp $")
++MODULE_ID("$Id: fld_arg.c,v 1.19 2024/12/07 23:00:37 tom Exp $")
+
+ /*---------------------------------------------------------------------------
+ | Facility : libnform
+@@ -75,7 +75,7 @@
+ TR_FUNC_ARG(1, copy_arg),
+ TR_FUNC_ARG(2, free_arg)));
+
+- if (typ != 0 && make_arg != (void *)0)
++ if (typ != NULL && make_arg != NULL)
+ {
+ SetStatus(typ, _HAS_ARGS);
+ typ->makearg = make_arg;
+Index: form/fld_attr.c
+Prereq: 1.15
+--- ncurses-6.5-20241130+/form/fld_attr.c 2020-12-11 22:05:24.000000000 +0000
++++ ncurses-6.5-20241207/form/fld_attr.c 2024-12-07 23:01:42.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2010,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -33,7 +33,7 @@
+
+ #include "form.priv.h"
+
+-MODULE_ID("$Id: fld_attr.c,v 1.15 2020/12/11 22:05:24 tom Exp $")
++MODULE_ID("$Id: fld_attr.c,v 1.16 2024/12/07 23:01:42 tom Exp $")
+
+ /*----------------------------------------------------------------------------
+ Field-Attribute manipulation routines
+@@ -47,7 +47,7 @@
+ if ( attr==A_NORMAL || ((attr & A_ATTRIBUTES)==attr) )\
+ {\
+ Normalize_Field( field );\
+- if (field != 0) \
++ if (field != NULL) \
+ { \
+ if ((field -> name) != attr)\
+ {\
+Index: form/fld_current.c
+Prereq: 1.16
+--- ncurses-6.5-20241130+/form/fld_current.c 2020-05-24 01:40:20.000000000 +0000
++++ ncurses-6.5-20241207/form/fld_current.c 2024-12-07 23:01:42.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2010,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -33,7 +33,7 @@
+
+ #include "form.priv.h"
+
+-MODULE_ID("$Id: fld_current.c,v 1.16 2020/05/24 01:40:20 anonymous.maarten Exp $")
++MODULE_ID("$Id: fld_current.c,v 1.17 2024/12/07 23:01:42 tom Exp $")
+
+ /*---------------------------------------------------------------------------
+ | Facility : libnform
+@@ -54,7 +54,7 @@
+ int err = E_OK;
+
+ T((T_CALLED("set_current_field(%p,%p)"), (void *)form, (void *)field));
+- if (form == 0 || field == 0)
++ if (form == NULL || field == NULL)
+ {
+ RETURN(E_BAD_ARGUMENT);
+ }
+@@ -117,11 +117,11 @@
+ unfocus_current_field(FORM *const form)
+ {
+ T((T_CALLED("unfocus_current_field(%p)"), (const void *)form));
+- if (form == 0)
++ if (form == NULL)
+ {
+ RETURN(E_BAD_ARGUMENT);
+ }
+- else if (form->current == 0)
++ else if (form->current == NULL)
+ {
+ RETURN(E_REQUEST_DENIED);
+ }
+@@ -158,7 +158,7 @@
+ field_index(const FIELD *field)
+ {
+ T((T_CALLED("field_index(%p)"), (const void *)field));
+- returnCode((field != 0 && field->form != 0) ? (int)field->index : -1);
++ returnCode((field != NULL && field->form != NULL) ? (int)field->index : -1);
+ }
+
+ /* fld_current.c ends here */
+Index: form/fld_def.c
+Prereq: 1.45
+--- ncurses-6.5-20241130+/form/fld_def.c 2024-11-30 21:41:08.000000000 +0000
++++ ncurses-6.5-20241207/form/fld_def.c 2024-12-07 21:56:21.000000000 +0000
+@@ -33,7 +33,7 @@
+
+ #include "form.priv.h"
+
+-MODULE_ID("$Id: fld_def.c,v 1.45 2024/11/30 21:41:08 tom Exp $")
++MODULE_ID("$Id: fld_def.c,v 1.46 2024/12/07 21:56:21 tom Exp $")
+
+ /* this can't be readonly */
+ static FIELD default_field =
+@@ -87,14 +87,14 @@
+ {
+ TypeArgument *res = (TypeArgument *)0;
+
+- if (typ != 0 && (typ->status & _HAS_ARGS) != 0)
++ if (typ != NULL && (typ->status & _HAS_ARGS) != 0)
+ {
+ assert(err != 0 && ap != (va_list *)0);
+ if ((typ->status & _LINKED_TYPE) != 0)
+ {
+ TypeArgument *p = typeMalloc(TypeArgument, 1);
+
+- if (p != 0)
++ if (p != NULL)
+ {
+ p->left = _nc_Make_Argument(typ->left, ap, err);
+ p->right = _nc_Make_Argument(typ->right, ap, err);
+@@ -134,14 +134,14 @@
+ {
+ TypeArgument *res = (TypeArgument *)0;
+
+- if (typ != 0 && (typ->status & _HAS_ARGS) != 0)
++ if (typ != NULL && (typ->status & _HAS_ARGS) != 0)
+ {
+ assert(err != 0 && argp != 0);
+ if ((typ->status & _LINKED_TYPE) != 0)
+ {
+ TypeArgument *p = typeMalloc(TypeArgument, 1);
+
+- if (p != 0)
++ if (p != NULL)
+ {
+ p->left = _nc_Copy_Argument(typ, argp->left, err);
+ p->right = _nc_Copy_Argument(typ, argp->right, err);
+@@ -180,11 +180,11 @@
+ FORM_EXPORT(void)
+ _nc_Free_Argument(const FIELDTYPE *typ, TypeArgument *argp)
+ {
+- if (typ != 0 && (typ->status & _HAS_ARGS) != 0)
++ if (typ != NULL && (typ->status & _HAS_ARGS) != 0)
+ {
+ if ((typ->status & _LINKED_TYPE) != 0)
+ {
+- if (argp != 0)
++ if (argp != NULL)
+ {
+ _nc_Free_Argument(typ->left, argp->left);
+ _nc_Free_Argument(typ->right, argp->right);
+@@ -229,7 +229,7 @@
+ }
+ else
+ {
+- if (dst->type != 0)
++ if (dst->type != NULL)
+ {
+ dst->type->ref++;
+ }
+@@ -249,7 +249,7 @@
+ _nc_Free_Type(FIELD *field)
+ {
+ assert(field != 0);
+- if (field->type != 0)
++ if (field->type != NULL)
+ {
+ field->type->ref--;
+ _nc_Free_Argument(field->type, (TypeArgument *)(field->arg));
+@@ -289,7 +289,7 @@
+ nrow >= 0 &&
+ nbuf >= 0 &&
+ ((err = E_SYSTEM_ERROR) != 0) && /* trick: this resets the default error */
+- (New_Field = typeMalloc(FIELD, 1)) != 0)
++ (New_Field = typeMalloc(FIELD, 1)) != NULL)
+ {
+ T((T_CREATE("field %p"), (void *)New_Field));
+ *New_Field = default_field;
+@@ -360,13 +360,13 @@
+ {
+ RETURN(E_BAD_ARGUMENT);
+ }
+- else if (field->form != 0)
++ else if (field->form != NULL)
+ {
+ RETURN(E_CONNECTED);
+ }
+ else if (field == field->link)
+ {
+- if (field->buf != 0)
++ if (field->buf != NULL)
+ free(field->buf);
+ }
+ else
+@@ -380,7 +380,7 @@
+ }
+ _nc_Free_Type(field);
+ #if USE_WIDEC_SUPPORT
+- if (field->expanded != 0)
++ if (field->expanded != NULL)
+ {
+ int n;
+
+Index: form/form.priv.h
+Prereq: 0.49
+--- ncurses-6.5-20241130+/form/form.priv.h 2024-02-24 12:17:31.000000000 +0000
++++ ncurses-6.5-20241207/form/form.priv.h 2024-12-07 21:57:21.000000000 +0000
+@@ -31,7 +31,7 @@
+ * Author: Juergen Pfeifer, 1995,1997 *
+ ****************************************************************************/
+
+-/* $Id: form.priv.h,v 0.49 2024/02/24 12:17:31 tom Exp $ */
++/* $Id: form.priv.h,v 0.50 2024/12/07 21:57:21 tom Exp $ */
+
+ #ifndef FORM_PRIV_H
+ #define FORM_PRIV_H 1
+@@ -93,11 +93,11 @@
+
+ /* If form is NULL replace form argument by default-form */
+ #define Normalize_Form(form) \
+- ((form) = (form != 0) ? (form) : _nc_Default_Form)
++ ((form) = (form != NULL) ? (form) : _nc_Default_Form)
+
+ /* If field is NULL replace field argument by default-field */
+ #define Normalize_Field(field) \
+- ((field) = (field != 0) ? (field) : _nc_Default_Field)
++ ((field) = (field != NULL) ? (field) : _nc_Default_Field)
+
+ #if NCURSES_SP_FUNCS
+ #define Get_Form_Screen(form) \
+@@ -260,7 +260,7 @@
+ int len; \
+ int n; \
+ wchar_t *list = _nc_Widen_String((char *)buffer, &len); \
+- if (list != 0) \
++ if (list != NULL) \
+ { \
+ result = TRUE; \
+ for (n = 0; n < len; ++n) \
+Index: form/frm_driver.c
+Prereq: 1.136
+--- ncurses-6.5-20241130+/form/frm_driver.c 2024-07-27 18:49:18.000000000 +0000
++++ ncurses-6.5-20241207/form/frm_driver.c 2024-12-07 21:57:21.000000000 +0000
+@@ -33,7 +33,7 @@
+
+ #include "form.priv.h"
+
+-MODULE_ID("$Id: frm_driver.c,v 1.136 2024/07/27 18:49:18 tom Exp $")
++MODULE_ID("$Id: frm_driver.c,v 1.137 2024/12/07 21:57:21 tom Exp $")
+
+ /*----------------------------------------------------------------------------
+ This is the core module of the form library. It contains the majority
+@@ -734,7 +734,7 @@
+ {
+ WINDOW *new_window = newpad(field->drows, field->dcols);
+
+- if (new_window != 0)
++ if (new_window != NULL)
+ {
+ assert(form != (FORM *)0);
+ if (form->w)
+@@ -802,7 +802,7 @@
+ Field_encloses(FIELD *field, int ry, int rx)
+ {
+ T((T_CALLED("Field_encloses(%p)"), (void *)field));
+- if (field != 0
++ if (field != NULL
+ && field->frow <= ry
+ && (field->frow + field->rows) > ry
+ && field->fcol <= rx
+@@ -1251,7 +1251,7 @@
+ return (E_SYSTEM_ERROR);
+
+ for (linked_field = field->link;
+- (linked_field != field) && (linked_field != 0);
++ (linked_field != field) && (linked_field != NULL);
+ linked_field = linked_field->link)
+ {
+ int syncres;
+@@ -1458,7 +1458,7 @@
+ werase(form->w);
+ Perform_Justification(field, form->w);
+ if (Field_Has_Option(field, O_DYNAMIC_JUSTIFY) &&
+- (form->w->_parent == 0))
++ (form->w->_parent == NULL))
+ {
+ copywin(form->w,
+ Get_Form_Window(form),
+@@ -1480,7 +1480,7 @@
+ }
+ delwin(form->w);
+ form->w = (WINDOW *)0;
+- form->current = 0;
++ form->current = NULL;
+ }
+
+ /*---------------------------------------------------------------------------
+@@ -4758,7 +4758,7 @@
+ int len;
+
+ #if USE_WIDEC_SUPPORT
+- FIELD_CELL *widevalue = 0;
++ FIELD_CELL *widevalue = NULL;
+ #endif
+
+ T((T_CALLED("set_field_buffer(%p,%d,%s)"), (void *)field, buffer, _nc_visbuf(value)));
+@@ -4807,7 +4807,7 @@
+ wclear(field->working);
+ (void)mvwaddstr(field->working, 0, 0, value);
+
+- if ((widevalue = typeCalloc(FIELD_CELL, len + 1)) == 0)
++ if ((widevalue = typeCalloc(FIELD_CELL, len + 1)) == NULL)
+ {
+ RETURN(E_SYSTEM_ERROR);
+ }
+@@ -4869,7 +4869,7 @@
+ FORM_EXPORT(char *)
+ field_buffer(const FIELD *field, int buffer)
+ {
+- char *result = 0;
++ char *result = NULL;
+
+ T((T_CALLED("field_buffer(%p,%d)"), (const void *)field, buffer));
+
+@@ -4890,14 +4890,14 @@
+ size_t next;
+
+ init_mb(state);
+- next = _nc_wcrtomb(0, data[n].chars[0], &state);
++ next = _nc_wcrtomb(NULL, data[n].chars[0], &state);
+ if (next > 0)
+ need += next;
+ }
+ }
+
+ /* allocate a place to store the expanded string */
+- if (field->expanded[buffer] != 0)
++ if (field->expanded[buffer] != NULL)
+ free(field->expanded[buffer]);
+ field->expanded[buffer] = typeMalloc(char, need + 1);
+
+@@ -4909,7 +4909,7 @@
+ * contain embedded wide-character extensions). Change the null-padding
+ * to blanks as needed.
+ */
+- if ((result = field->expanded[buffer]) != 0)
++ if ((result = field->expanded[buffer]) != NULL)
+ {
+ wclear(field->working);
+ wmove(field->working, 0, 0);
+@@ -4937,7 +4937,7 @@
+ FORM_EXPORT(wchar_t *)
+ _nc_Widen_String(char *source, int *lengthp)
+ {
+- wchar_t *result = 0;
++ wchar_t *result = NULL;
+ wchar_t wch = 0;
+ size_t given = strlen(source);
+ size_t tries;
+@@ -4999,7 +4999,7 @@
+ result = typeCalloc(wchar_t, need);
+
+ *lengthp = (int)need;
+- if (result == 0)
++ if (result == NULL)
+ break;
+ }
+ }
+Index: form/frm_req_name.c
+Prereq: 1.23
+--- ncurses-6.5-20241130+/form/frm_req_name.c 2021-06-17 21:11:08.000000000 +0000
++++ ncurses-6.5-20241207/form/frm_req_name.c 2024-12-07 23:00:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2021 Thomas E. Dickey *
++ * Copyright 2020-2021,2024 Thomas E. Dickey *
+ * Copyright 1998-2012,2015 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -38,7 +38,7 @@
+
+ #include "form.priv.h"
+
+-MODULE_ID("$Id: frm_req_name.c,v 1.23 2021/06/17 21:11:08 tom Exp $")
++MODULE_ID("$Id: frm_req_name.c,v 1.24 2024/12/07 23:00:37 tom Exp $")
+
+ #define DATA(s) { s }
+
+@@ -153,7 +153,7 @@
+
+ T((T_CALLED("form_request_by_name(%s)"), _nc_visbuf(str)));
+
+- if (str != 0 && (i = strlen(str)) != 0)
++ if (str != NULL && (i = strlen(str)) != 0)
+ {
+ char buf[16]; /* longest name is 10 chars */
+
+Index: form/fty_enum.c
+Prereq: 1.34
+--- ncurses-6.5-20241130+/form/fty_enum.c 2024-07-27 18:50:22.000000000 +0000
++++ ncurses-6.5-20241207/form/fty_enum.c 2024-12-07 21:58:32.000000000 +0000
+@@ -35,7 +35,7 @@
+
+ #include "form.priv.h"
+
+-MODULE_ID("$Id: fty_enum.c,v 1.34 2024/07/27 18:50:22 tom Exp $")
++MODULE_ID("$Id: fty_enum.c,v 1.35 2024/12/07 21:58:32 tom Exp $")
+
+ typedef struct
+ {
+@@ -104,7 +104,7 @@
+ argp->kwds = typeMalloc(char *, cnt + 1);
+
+ kp = kwds;
+- if ((kptarget = argp->kwds) != 0)
++ if ((kptarget = argp->kwds) != NULL)
+ {
+ while (kp && (*kp))
+ {
+@@ -168,7 +168,7 @@
+ char **kp = ap->kwds;
+ result->kwds = typeMalloc(char *, 1 + ap->count);
+
+- if ((kptarget = result->kwds) != 0)
++ if ((kptarget = result->kwds) != NULL)
+ {
+ while (kp && (*kp))
+ {
+Index: form/fty_generic.c
+Prereq: 1.16
+--- ncurses-6.5-20241130+/form/fty_generic.c 2024-07-27 18:51:24.000000000 +0000
++++ ncurses-6.5-20241207/form/fty_generic.c 2024-12-07 23:12:11.000000000 +0000
+@@ -35,7 +35,7 @@
+
+ #include "form.priv.h"
+
+-MODULE_ID("$Id: fty_generic.c,v 1.16 2024/07/27 18:51:24 tom Exp $")
++MODULE_ID("$Id: fty_generic.c,v 1.17 2024/12/07 23:12:11 tom Exp $")
+
+ /*
+ * This is not a full implementation of a field type, but adds some
+@@ -170,7 +170,10 @@
+ {
+ TypeArgument *res = (TypeArgument *)0;
+
+- if (typ != 0 && (typ->status & _HAS_ARGS) != 0 && err != 0 && argiterator != 0)
++ if (typ != NULL
++ && (typ->status & _HAS_ARGS) != 0
++ && err != NULL
++ && argiterator != NULL)
+ {
+ if (typ->status & _LINKED_TYPE)
+ {
+@@ -189,14 +192,14 @@
+ else
+ {
+ assert(typ->genericarg != (void *)0);
+- if (typ->genericarg == 0)
++ if (typ->genericarg == NULL)
+ *err += 1;
+ else
+ {
+ void *argp;
+ int valid = argiterator(&argp);
+
+- if (valid == 0 || argp == 0 ||
++ if (valid == 0 || argp == NULL ||
+ !(res = (TypeArgument *)typ->genericarg(argp)))
+ {
+ *err += 1;
+@@ -282,7 +285,7 @@
+ int code = E_SYSTEM_ERROR;
+ WINDOW *res = (WINDOW *)0;
+
+- if (form != 0 && pRow != 0 && pCol != 0)
++ if (form != NULL && pRow != NULL && pCol != NULL)
+ {
+ *pRow = form->currow;
+ *pCol = form->curcol;
+Index: form/fty_int.c
+Prereq: 1.34
+--- ncurses-6.5-20241130+/form/fty_int.c 2024-07-27 18:35:02.000000000 +0000
++++ ncurses-6.5-20241207/form/fty_int.c 2024-12-07 21:58:32.000000000 +0000
+@@ -35,7 +35,7 @@
+
+ #include "form.priv.h"
+
+-MODULE_ID("$Id: fty_int.c,v 1.34 2024/07/27 18:35:02 tom Exp $")
++MODULE_ID("$Id: fty_int.c,v 1.35 2024/12/07 21:58:32 tom Exp $")
+
+ #if USE_WIDEC_SUPPORT
+ #define isDigit(c) (iswdigit((wint_t)(c)) || isdigit(UChar(c)))
+@@ -184,7 +184,7 @@
+ int len;
+ wchar_t *list = _nc_Widen_String((char *)bp, &len);
+
+- if (list != 0)
++ if (list != NULL)
+ {
+ bool blank = FALSE;
+ int n;
+Index: form/fty_num.c
+Prereq: 1.38
+--- ncurses-6.5-20241130+/form/fty_num.c 2024-07-27 18:33:58.000000000 +0000
++++ ncurses-6.5-20241207/form/fty_num.c 2024-12-07 21:58:32.000000000 +0000
+@@ -35,7 +35,7 @@
+
+ #include "form.priv.h"
+
+-MODULE_ID("$Id: fty_num.c,v 1.38 2024/07/27 18:33:58 tom Exp $")
++MODULE_ID("$Id: fty_num.c,v 1.39 2024/12/07 21:58:32 tom Exp $")
+
+ #if HAVE_LOCALE_H
+ #include <locale.h>
+@@ -203,7 +203,7 @@
+ int len;
+ wchar_t *list = _nc_Widen_String((char *)bp, &len);
+
+- if (list != 0)
++ if (list != NULL)
+ {
+ bool blank = FALSE;
+ int state = 0;
+Index: form/fty_regex.c
+Prereq: 1.33
+--- ncurses-6.5-20241130+/form/fty_regex.c 2021-08-14 15:01:52.000000000 +0000
++++ ncurses-6.5-20241207/form/fty_regex.c 2024-12-07 23:02:27.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2018-2020,2021 Thomas E. Dickey *
++ * Copyright 2018-2021,2024 Thomas E. Dickey *
+ * Copyright 1998-2012,2015 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -35,7 +35,7 @@
+
+ #include "form.priv.h"
+
+-MODULE_ID("$Id: fty_regex.c,v 1.33 2021/08/14 15:01:52 tom Exp $")
++MODULE_ID("$Id: fty_regex.c,v 1.34 2024/12/07 23:02:27 tom Exp $")
+
+ #if HAVE_REGEX_H_FUNCS || HAVE_LIB_PCRE2 /* We prefer POSIX regex */
+
+@@ -157,12 +157,12 @@
+ if (preg)
+ {
+ T((T_CREATE("RegExp_Arg %p"), (void *)preg));
+- if (((preg->pRegExp = typeMalloc(regex_t, 1)) != 0)
++ if (((preg->pRegExp = typeMalloc(regex_t, 1)) != NULL)
+ && !regcomp(preg->pRegExp, rx,
+ (REG_EXTENDED | REG_NOSUB | REG_NEWLINE)))
+ {
+ T((T_CREATE("regex_t %p"), (void *)preg->pRegExp));
+- if ((preg->refCount = typeMalloc(unsigned long, 1)) != 0)
++ if ((preg->refCount = typeMalloc(unsigned long, 1)) != NULL)
+ *(preg->refCount) = 1;
+ }
+ else
+Index: include/curses.h.in
+Prereq: 1.282
+--- ncurses-6.5-20241130+/include/curses.h.in 2024-01-19 11:50:07.000000000 +0000
++++ ncurses-6.5-20241207/include/curses.h.in 2024-12-07 17:14:44.000000000 +0000
+@@ -33,7 +33,7 @@
+ * and: Thomas E. Dickey 1996-on *
+ ****************************************************************************/
+
+-/* $Id: curses.h.in,v 1.282 2024/01/19 11:50:07 tom Exp $ */
++/* $Id: curses.h.in,v 1.284 2024/12/07 17:14:44 tom Exp $ */
+
+ #ifndef __NCURSES_H
+ #define __NCURSES_H
+@@ -125,10 +125,10 @@
+ * doing so makes it incompatible with other implementations of X/Open Curses.
+ */
+ #undef NCURSES_CONST
+-#define NCURSES_CONST @NCURSES_CONST@
++#define NCURSES_CONST @NCURSES_CONST@ /* for old compilers */
+
+ #undef NCURSES_INLINE
+-#define NCURSES_INLINE @NCURSES_INLINE@
++#define NCURSES_INLINE @NCURSES_INLINE@ /* for old compilers */
+
+ /*
+ * The standard type used for color values, and for color-pairs. The latter
+@@ -833,7 +833,7 @@
+ extern NCURSES_EXPORT(int) vwprintw (WINDOW *, const char *, va_list) GCC_DEPRECATED(use vw_printw) /* implemented */
+ GCC_PRINTFLIKE(2,0);
+ extern NCURSES_EXPORT(int) vw_printw (WINDOW *, const char *, va_list) /* implemented */
+- GCC_PRINTFLIKE(2,0);
++ GCC_PRINTFLIKE(2,0);
+ extern NCURSES_EXPORT(int) vwscanw (WINDOW *, const char *, va_list) GCC_DEPRECATED(use vw_scanw) /* implemented */
+ GCC_SCANFLIKE(2,0);
+ extern NCURSES_EXPORT(int) vw_scanw (WINDOW *, const char *, va_list) /* implemented */
+Index: menu/m_driver.c
+Prereq: 1.38
+--- ncurses-6.5-20241130+/menu/m_driver.c 2024-07-27 18:14:20.000000000 +0000
++++ ncurses-6.5-20241207/menu/m_driver.c 2024-12-07 22:01:57.000000000 +0000
+@@ -38,7 +38,7 @@
+
+ #include "menu.priv.h"
+
+-MODULE_ID("$Id: m_driver.c,v 1.38 2024/07/27 18:14:20 tom Exp $")
++MODULE_ID("$Id: m_driver.c,v 1.39 2024/12/07 22:01:57 tom Exp $")
+
+ /* Macros */
+
+@@ -307,7 +307,7 @@
+ else
+ {
+ my_top_row += rdiff;
+- while (rdiff-- > 0 && item != 0 && item->down != 0)
++ while (rdiff-- > 0 && item != NULL && item->down != NULL)
+ item = item->down;
+ }
+ break;
+@@ -320,7 +320,7 @@
+ else
+ {
+ my_top_row -= rdiff;
+- while (rdiff-- > 0 && item != 0 && item->up != 0)
++ while (rdiff-- > 0 && item != NULL && item->up != NULL)
+ item = item->up;
+ }
+ break;
+@@ -548,7 +548,7 @@
+ result = E_UNKNOWN_COMMAND;
+ }
+
+- if (item == 0)
++ if (item == NULL)
+ {
+ result = E_BAD_STATE;
+ }
+Index: menu/m_global.c
+Prereq: 1.34
+--- ncurses-6.5-20241130+/menu/m_global.c 2023-09-16 16:39:26.000000000 +0000
++++ ncurses-6.5-20241207/menu/m_global.c 2024-12-07 23:02:27.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020-2021,2023 Thomas E. Dickey *
++ * Copyright 2020-2023,2024 Thomas E. Dickey *
+ * Copyright 1998-2012,2014 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -38,7 +38,7 @@
+
+ #include "menu.priv.h"
+
+-MODULE_ID("$Id: m_global.c,v 1.34 2023/09/16 16:39:26 tom Exp $")
++MODULE_ID("$Id: m_global.c,v 1.35 2024/12/07 23:02:27 tom Exp $")
+
+ static char mark[] = "-";
+ /* *INDENT-OFF* */
+@@ -256,13 +256,13 @@
+ int result = item->length;
+
+ T((T_CALLED("_nc_menu_text_width(%p)"), (const void *)item));
+- if (result != 0 && item->str != 0)
++ if (result != 0 && item->str != NULL)
+ {
+- int count = (int)mbstowcs(0, item->str, 0);
+- wchar_t *temp = 0;
++ int count = (int)mbstowcs(NULL, item->str, 0);
++ wchar_t *temp = NULL;
+
+ if (count > 0
+- && (temp = typeMalloc(wchar_t, 2 + count)) != 0)
++ && (temp = typeMalloc(wchar_t, 2 + count)) != NULL)
+ {
+ int n;
+
+@@ -296,7 +296,7 @@
+
+ assert(menu && menu->items);
+
+- if (menu->items != 0)
++ if (menu->items != NULL)
+ {
+ ITEM **items;
+
+Index: menu/m_item_new.c
+Prereq: 1.39
+--- ncurses-6.5-20241130+/menu/m_item_new.c 2024-11-23 19:16:50.000000000 +0000
++++ ncurses-6.5-20241207/menu/m_item_new.c 2024-12-07 22:01:57.000000000 +0000
+@@ -45,7 +45,7 @@
+ #endif
+ #endif
+
+-MODULE_ID("$Id: m_item_new.c,v 1.39 2024/11/23 19:16:50 tom Exp $")
++MODULE_ID("$Id: m_item_new.c,v 1.40 2024/12/07 22:01:57 tom Exp $")
+
+ /*---------------------------------------------------------------------------
+ | Facility : libnmenu
+@@ -63,13 +63,13 @@
+ bool result = TRUE;
+
+ #if USE_WIDEC_SUPPORT
+- int count = (int)mbstowcs(0, s, 0);
+- wchar_t *temp = 0;
++ int count = (int)mbstowcs(NULL, s, 0);
++ wchar_t *temp = NULL;
+
+ assert(s);
+
+ if (count > 0
+- && (temp = typeCalloc(wchar_t, (2 + (unsigned)count))) != 0)
++ && (temp = typeCalloc(wchar_t, (2 + (unsigned)count))) != NULL)
+ {
+ int n;
+
+@@ -231,7 +231,7 @@
+ else
+ {
+ menu->mark = old_mark;
+- menu->marklen = (short)((old_mark != 0) ? strlen(old_mark) : 0);
++ menu->marklen = (short)((old_mark != NULL) ? strlen(old_mark) : 0);
+ RETURN(E_SYSTEM_ERROR);
+ }
+ }
+Index: menu/m_pattern.c
+Prereq: 1.20
+--- ncurses-6.5-20241130+/menu/m_pattern.c 2021-06-17 21:20:30.000000000 +0000
++++ ncurses-6.5-20241207/menu/m_pattern.c 2024-12-07 23:00:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2021 Thomas E. Dickey *
++ * Copyright 2020-2021,2024 Thomas E. Dickey *
+ * Copyright 1998-2006,2010 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -38,7 +38,7 @@
+
+ #include "menu.priv.h"
+
+-MODULE_ID("$Id: m_pattern.c,v 1.20 2021/06/17 21:20:30 tom Exp $")
++MODULE_ID("$Id: m_pattern.c,v 1.21 2024/12/07 23:00:37 tom Exp $")
+
+ /*---------------------------------------------------------------------------
+ | Facility : libnmenu
+@@ -57,7 +57,7 @@
+ static char empty[] = "";
+
+ T((T_CALLED("menu_pattern(%p)"), (const void *)menu));
+- returnPtr(menu ? (menu->pattern ? menu->pattern : empty) : 0);
++ returnPtr(menu ? (menu->pattern ? menu->pattern : empty) : NULL);
+ }
+
+ /*---------------------------------------------------------------------------
+Index: menu/m_req_name.c
+Prereq: 1.27
+--- ncurses-6.5-20241130+/menu/m_req_name.c 2021-06-17 21:11:08.000000000 +0000
++++ ncurses-6.5-20241207/menu/m_req_name.c 2024-12-07 23:00:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2021 Thomas E. Dickey *
++ * Copyright 2020-2021,2024 Thomas E. Dickey *
+ * Copyright 1998-2012,2015 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -38,7 +38,7 @@
+
+ #include "menu.priv.h"
+
+-MODULE_ID("$Id: m_req_name.c,v 1.27 2021/06/17 21:11:08 tom Exp $")
++MODULE_ID("$Id: m_req_name.c,v 1.28 2024/12/07 23:00:37 tom Exp $")
+
+ #define DATA(s) { s }
+
+@@ -106,7 +106,7 @@
+
+ T((T_CALLED("menu_request_by_name(%s)"), _nc_visbuf(str)));
+
+- if (str != 0 && (i = strlen(str)) != 0)
++ if (str != NULL && (i = strlen(str)) != 0)
+ {
+ char buf[16];
+
+Index: menu/mf_common.h
+Prereq: 0.26
+--- ncurses-6.5-20241130+/menu/mf_common.h 2024-11-30 21:41:20.000000000 +0000
++++ ncurses-6.5-20241207/menu/mf_common.h 2024-12-07 22:01:18.000000000 +0000
+@@ -31,7 +31,7 @@
+ * Author: Juergen Pfeifer, 1995,1997 *
+ ****************************************************************************/
+
+-/* $Id: mf_common.h,v 0.26 2024/11/30 21:41:20 tom Exp $ */
++/* $Id: mf_common.h,v 0.27 2024/12/07 22:01:18 tom Exp $ */
+
+ /* Common internal header for menu and form library */
+
+@@ -88,7 +88,7 @@
+
+ /* Call object hook */
+ #define Call_Hook( object, handler ) \
+- if ( (object) != 0 && ((object)->handler) != (void *) 0 )\
++ if ( (object) != NULL && ((object)->handler) != (void *) 0 )\
+ {\
+ SetStatus(object, _IN_DRIVER);\
+ (object)->handler(object);\
+Index: ncurses/base/MKkeyname.awk
+Prereq: 1.51
+--- ncurses-6.5-20241130+/ncurses/base/MKkeyname.awk 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/MKkeyname.awk 2024-12-07 21:09:39.000000000 +0000
+@@ -1,6 +1,6 @@
+-# $Id: MKkeyname.awk,v 1.51 2020/02/02 23:34:34 tom Exp $
++# $Id: MKkeyname.awk,v 1.53 2024/12/07 21:09:39 tom Exp $
+ ##############################################################################
+-# Copyright 2020 Thomas E. Dickey #
++# Copyright 2020,2024 Thomas E. Dickey #
+ # Copyright 1998-2016,2017 Free Software Foundation, Inc. #
+ # #
+ # Permission is hereby granted, free of charge, to any person obtaining a #
+@@ -59,7 +59,7 @@
+ if (bigstrings) {
+ printf "\t{ -1, 0 }};\n"
+ print ""
+- print "static const char key_names[] = "names";"
++ print "static const char key_names[] ="names";"
+ } else {
+ printf "\t{ 0, 0 }};\n"
+ }
+@@ -72,7 +72,7 @@
+ print "safe_keyname (SCREEN *sp, int c)"
+ print "{"
+ print " char name[20];"
+- print " NCURSES_CONST char *result = 0;"
++ print " NCURSES_CONST char *result = NULL;"
+ print ""
+ print " if (c == -1) {"
+ print " result = \"-1\";"
+@@ -86,7 +86,7 @@
+ print " }"
+ print " }"
+ } else {
+- print " for (i = 0; _nc_key_names[i].name != 0; i++) {"
++ print " for (i = 0; _nc_key_names[i].name != NULL; i++) {"
+ print " if (_nc_key_names[i].code == c) {"
+ print " result = (NCURSES_CONST char *)_nc_key_names[i].name;"
+ print " break;"
+@@ -94,12 +94,12 @@
+ print " }"
+ }
+ print ""
+- print " if (result == 0 && (c >= 0 && c < SIZEOF_TABLE)) {"
+- print " if (MyTable == 0)"
++ print " if (result == NULL && (c >= 0 && c < SIZEOF_TABLE)) {"
++ print " if (MyTable == NULL)"
+ print " MyTable = typeCalloc(char *, SIZEOF_TABLE);"
+ print ""
+- print " if (MyTable != 0) {"
+- print " int m_prefix = (sp == 0 || sp->_use_meta);"
++ print " if (MyTable != NULL) {"
++ print " int m_prefix = (sp == NULL || sp->_use_meta);"
+ print ""
+ print " /* if sense of meta() changed, discard cached data */"
+ print " if (MyInit != (m_prefix + 1)) {"
+@@ -112,7 +112,7 @@
+ print " }"
+ print ""
+ print " /* create and cache result as needed */"
+- print " if (MyTable[c] == 0) {"
++ print " if (MyTable[c] == NULL) {"
+ print " int cc = c;"
+ print " char *p = name;"
+ print "#define P_LIMIT (sizeof(name) - (size_t) (p - name))"
+@@ -132,22 +132,22 @@
+ print " result = MyTable[c];"
+ print " }"
+ print "#if NCURSES_EXT_FUNCS && NCURSES_XNAMES"
+- print " } else if (result == 0 && HasTerminal(sp)) {"
++ print " } else if (result == NULL && HasTerminal(sp)) {"
+ print " int j, k;"
+ print " char * bound;"
+ print " TERMTYPE2 *tp = &TerminalType(TerminalOf(sp));"
+ print " unsigned save_trace = _nc_tracing;"
+ print ""
+ print " _nc_tracing = 0; /* prevent recursion via keybound() */"
+- print " for (j = 0; (bound = NCURSES_SP_NAME(keybound)(NCURSES_SP_ARGx c, j)) != 0; ++j) {"
++ print " for (j = 0; (bound = NCURSES_SP_NAME(keybound)(NCURSES_SP_ARGx c, j)) != NULL; ++j) {"
+ print " for(k = STRCOUNT; k < (int) NUM_STRINGS(tp); k++) {"
+- print " if (tp->Strings[k] != 0 && !strcmp(bound, tp->Strings[k])) {"
++ print " if (tp->Strings[k] != NULL && !strcmp(bound, tp->Strings[k])) {"
+ print " result = ExtStrname(tp, k, strnames);"
+ print " break;"
+ print " }"
+ print " }"
+ print " free(bound);"
+- print " if (result != 0)"
++ print " if (result != NULL)"
+ print " break;"
+ print " }"
+ print " _nc_tracing = save_trace;"
+@@ -166,7 +166,7 @@
+ print "#if NO_LEAKS"
+ print "void _nc_keyname_leaks(void)"
+ print "{"
+- print " if (MyTable != 0) {"
++ print " if (MyTable != NULL) {"
+ print " int j;"
+ print " for (j = 0; j < SIZEOF_TABLE; ++j) {"
+ print " FreeIfNeeded(MyTable[j]);"
+Index: ncurses/base/MKlib_gen.sh
+Prereq: 1.74
+--- ncurses-6.5-20241130+/ncurses/base/MKlib_gen.sh 2024-09-22 20:41:58.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/MKlib_gen.sh 2024-12-07 21:50:24.000000000 +0000
+@@ -2,7 +2,7 @@
+ #
+ # MKlib_gen.sh -- generate sources from curses.h macro definitions
+ #
+-# ($Id: MKlib_gen.sh,v 1.74 2024/09/22 20:41:58 tom Exp $)
++# ($Id: MKlib_gen.sh,v 1.75 2024/12/07 21:50:24 tom Exp $)
+ #
+ ##############################################################################
+ # Copyright 2018-2022,2024 Thomas E. Dickey #
+@@ -188,6 +188,9 @@
+ cat >$ED4 <<EOF
+ s/^\(.*\) \(.*\) (\(.*\))\$/NCURSES_EXPORT(\1) \2 (\3)/
+ /attr_[sg]et.* z)/s,z),z GCC_UNUSED),
++ s/\(((\)0\([ ]*!=[ ]*(const void\)/\1NULL\2/g
++ /returnCode(wborder_set/s,0,NULL,g
++ /returnWin/s,0,NULL,
+ EOF
+ else
+ cat >$ED4 <<EOF
+Index: ncurses/base/MKunctrl.awk
+Prereq: 1.30
+--- ncurses-6.5-20241130+/ncurses/base/MKunctrl.awk 2024-02-03 21:09:14.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/MKunctrl.awk 2024-12-07 21:06:39.000000000 +0000
+@@ -1,4 +1,4 @@
+-# $Id: MKunctrl.awk,v 1.30 2024/02/03 21:09:14 tom Exp $
++# $Id: MKunctrl.awk,v 1.31 2024/12/07 21:06:39 tom Exp $
+ ##############################################################################
+ # Copyright 2020,2024 Thomas E. Dickey #
+ # Copyright 1998-2012,2017 Free Software Foundation, Inc. #
+@@ -135,7 +135,7 @@
+
+ print ""
+ if (bigstrings) {
+- print "static const char unctrl_blob[] = "blob";"
++ print "static const char unctrl_blob[] ="blob";"
+ print ""
+ stringname = "unctrl_blob + unctrl"
+ } else {
+@@ -147,7 +147,7 @@
+ print "\t(void) sp;"
+ print "\tif (check >= 0 && check < (int)SIZEOF(unctrl_table)) {"
+ print "#if NCURSES_EXT_FUNCS"
+- print "\t\tif ((sp != 0)"
++ print "\t\tif ((sp != NULL)"
+ print "\t\t && (sp->_legacy_coding > 1)"
+ print "\t\t && (check >= 128)"
+ print "\t\t && (check < 160))"
+@@ -156,7 +156,7 @@
+ print "\t\tif ((check >= 160)"
+ print "\t\t && (check < 256)"
+ print "\t\t && !_nc_unicode_locale()"
+- print "\t\t && ((sp != 0)"
++ print "\t\t && ((sp != NULL)"
+ print "\t\t && ((sp->_legacy_coding > 0)"
+ print "\t\t || (sp->_legacy_coding == 0"
+ print "\t\t && isprint(check)))))"
+@@ -165,7 +165,7 @@
+ print "#endif /* NCURSES_EXT_FUNCS */"
+ printf "\t\t\tresult = %s_table[check];\n", stringname;
+ print "\t} else {"
+- print "\t\tresult = 0;"
++ print "\t\tresult = NULL;"
+ print "\t}"
+ print "\treturn (NCURSES_CONST char *)result;"
+ print "}"
+Index: ncurses/base/define_key.c
+Prereq: 1.22
+--- ncurses-6.5-20241130+/ncurses/base/define_key.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/define_key.c 2024-12-07 21:24:18.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2009,2014 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -34,7 +34,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: define_key.c,v 1.22 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: define_key.c,v 1.23 2024/12/07 21:24:18 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ NCURSES_SP_NAME(define_key) (NCURSES_SP_DCLx const char *str, int keycode)
+@@ -42,7 +42,7 @@
+ int code = ERR;
+
+ T((T_CALLED("define_key(%p, %s,%d)"), (void *) SP_PARM, _nc_visbuf(str), keycode));
+- if (SP_PARM == 0 || !HasTInfoTerminal(SP_PARM)) {
++ if (SP_PARM == NULL || !HasTInfoTerminal(SP_PARM)) {
+ code = ERR;
+ } else if (keycode > 0) {
+ unsigned ukey = (unsigned) keycode;
+@@ -53,13 +53,13 @@
+ #define CallHasKey(keycode) NCURSES_SP_NAME(has_key)(NCURSES_SP_ARGx keycode)
+ #endif
+
+- if (str != 0) {
++ if (str != NULL) {
+ NCURSES_SP_NAME(define_key) (NCURSES_SP_ARGx str, 0);
+ } else if (CallHasKey(keycode)) {
+ while (_nc_remove_key(&(SP_PARM->_keytry), ukey))
+ code = OK;
+ }
+- if (str != 0) {
++ if (str != NULL) {
+ if (NCURSES_SP_NAME(key_defined) (NCURSES_SP_ARGx str) == 0) {
+ if (_nc_add_to_try(&(SP_PARM->_keytry), str, ukey) == OK) {
+ code = OK;
+Index: ncurses/base/key_defined.c
+Prereq: 1.11
+--- ncurses-6.5-20241130+/ncurses/base/key_defined.c 2023-06-24 15:36:32.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/key_defined.c 2024-12-07 21:24:18.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2023 Thomas E. Dickey *
++ * Copyright 2020-2023,2024 Thomas E. Dickey *
+ * Copyright 2003-2006,2009 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -34,7 +34,7 @@
+ #include <curses.priv.h>
+ #include <tic.h>
+
+-MODULE_ID("$Id: key_defined.c,v 1.11 2023/06/24 15:36:32 tom Exp $")
++MODULE_ID("$Id: key_defined.c,v 1.12 2024/12/07 21:24:18 tom Exp $")
+
+ static int
+ find_definition(TRIES * tree, const char *str)
+@@ -43,9 +43,9 @@
+ int result = OK;
+
+ if (VALID_STRING(str) && *str != '\0') {
+- for (ptr = tree; ptr != 0; ptr = ptr->sibling) {
++ for (ptr = tree; ptr != NULL; ptr = ptr->sibling) {
+ if (UChar(*str) == UChar(ptr->ch)) {
+- if (str[1] == '\0' && ptr->child != 0) {
++ if (str[1] == '\0' && ptr->child != NULL) {
+ result = ERR;
+ } else if ((result = find_definition(ptr->child, str + 1))
+ == OK) {
+@@ -72,7 +72,7 @@
+ int code = ERR;
+
+ T((T_CALLED("key_defined(%p, %s)"), (void *) SP_PARM, _nc_visbuf(str)));
+- if (SP_PARM != 0 && str != 0) {
++ if (SP_PARM != NULL && str != NULL) {
+ code = find_definition(SP_PARM->_keytry, str);
+ }
+
+Index: ncurses/base/keybound.c
+Prereq: 1.12
+--- ncurses-6.5-20241130+/ncurses/base/keybound.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/keybound.c 2024-12-07 21:24:18.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1999-2009,2011 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -34,7 +34,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: keybound.c,v 1.12 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: keybound.c,v 1.13 2024/12/07 21:24:18 tom Exp $")
+
+ /*
+ * Returns the count'th string definition which is associated with the
+@@ -43,10 +43,10 @@
+ NCURSES_EXPORT(char *)
+ NCURSES_SP_NAME(keybound) (NCURSES_SP_DCLx int code, int count)
+ {
+- char *result = 0;
++ char *result = NULL;
+
+ T((T_CALLED("keybound(%p, %d,%d)"), (void *) SP_PARM, code, count));
+- if (SP_PARM != 0 && code >= 0) {
++ if (SP_PARM != NULL && code >= 0) {
+ result = _nc_expand_try(SP_PARM->_keytry,
+ (unsigned) code,
+ &count,
+Index: ncurses/base/keyok.c
+Prereq: 1.17
+--- ncurses-6.5-20241130+/ncurses/base/keyok.c 2021-06-17 21:26:02.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/keyok.c 2024-12-07 21:24:18.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2019-2020,2021 Thomas E. Dickey *
++ * Copyright 2019-2021,2024 Thomas E. Dickey *
+ * Copyright 1998-2012,2014 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -34,7 +34,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: keyok.c,v 1.17 2021/06/17 21:26:02 tom Exp $")
++MODULE_ID("$Id: keyok.c,v 1.18 2024/12/07 21:24:18 tom Exp $")
+
+ /*
+ * Enable (or disable) ncurses' interpretation of a keycode by adding (or
+@@ -63,7 +63,7 @@
+
+ if (flag) {
+ while ((s = _nc_expand_try(SP_PARM->_key_ok,
+- ch, &count, (size_t) 0)) != 0) {
++ ch, &count, (size_t) 0)) != NULL) {
+ if (_nc_remove_key(&(SP_PARM->_key_ok), ch)) {
+ code = _nc_add_to_try(&(SP_PARM->_keytry), s, ch);
+ free(s);
+@@ -76,7 +76,7 @@
+ }
+ } else {
+ while ((s = _nc_expand_try(SP_PARM->_keytry,
+- ch, &count, (size_t) 0)) != 0) {
++ ch, &count, (size_t) 0)) != NULL) {
+ if (_nc_remove_key(&(SP_PARM->_keytry), ch)) {
+ code = _nc_add_to_try(&(SP_PARM->_key_ok), s, ch);
+ free(s);
+Index: ncurses/base/legacy_coding.c
+Prereq: 1.6
+--- ncurses-6.5-20241130+/ncurses/base/legacy_coding.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/legacy_coding.c 2024-12-07 20:00:48.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 2005,2009 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -34,7 +34,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: legacy_coding.c,v 1.6 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: legacy_coding.c,v 1.7 2024/12/07 20:00:48 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ NCURSES_SP_NAME(use_legacy_coding) (NCURSES_SP_DCLx int level)
+@@ -42,7 +42,7 @@
+ int result = ERR;
+
+ T((T_CALLED("use_legacy_coding(%p,%d)"), (void *) SP_PARM, level));
+- if (level >= 0 && level <= 2 && SP_PARM != 0) {
++ if (level >= 0 && level <= 2 && SP_PARM != NULL) {
+ result = SP_PARM->_legacy_coding;
+ SP_PARM->_legacy_coding = level;
+ }
+Index: ncurses/base/lib_addch.c
+Prereq: 1.143
+--- ncurses-6.5-20241130+/ncurses/base/lib_addch.c 2024-11-30 21:18:07.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_addch.c 2024-12-07 17:18:07.000000000 +0000
+@@ -37,7 +37,7 @@
+ #include <curses.priv.h>
+ #include <ctype.h>
+
+-MODULE_ID("$Id: lib_addch.c,v 1.143 2024/11/30 21:18:07 tom Exp $")
++MODULE_ID("$Id: lib_addch.c,v 1.144 2024/12/07 17:18:07 tom Exp $")
+
+ static const NCURSES_CH_T blankchar = NewChar(BLANK_TEXT);
+
+@@ -451,14 +451,14 @@
+ if ((AttrOf(ch) & A_ALTCHARSET)
+ || (
+ #if USE_WIDEC_SUPPORT
+- (sp != 0 && sp->_legacy_coding) &&
++ (sp != NULL && sp->_legacy_coding) &&
+ #endif
+ s[1] == 0
+ )
+ || (
+ (isprint(UChar(t)) && !iscntrl(UChar(t)))
+ #if USE_WIDEC_SUPPORT
+- || ((sp == 0 || !sp->_legacy_coding) &&
++ || ((sp == NULL || !sp->_legacy_coding) &&
+ (WINDOW_EXT(win, addch_used)
+ || !_nc_is_charable(CharOf(ch))))
+ #endif
+Index: ncurses/base/lib_addstr.c
+Prereq: 1.62
+--- ncurses-6.5-20241130+/ncurses/base/lib_addstr.c 2023-11-21 21:47:23.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_addstr.c 2024-12-07 20:00:48.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2019-2022,2023 Thomas E. Dickey *
++ * Copyright 2019-2023,2024 Thomas E. Dickey *
+ * Copyright 1998-2016,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -45,7 +45,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_addstr.c,v 1.62 2023/11/21 21:47:23 tom Exp $")
++MODULE_ID("$Id: lib_addstr.c,v 1.63 2024/12/07 20:00:48 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ waddnstr(WINDOW *win, const char *astr, int n)
+@@ -55,7 +55,7 @@
+
+ T((T_CALLED("waddnstr(%p,%s,%d)"), (void *) win, _nc_visbufn(astr, n), n));
+
+- if (win && (str != 0) && (n != 0)) {
++ if (win && (str != NULL) && (n != 0)) {
+ bool explicit = (n > 0);
+
+ TR(TRACE_VIRTPUT | TRACE_ATTRS,
+@@ -123,7 +123,7 @@
+ _nc_wchstrlen(const cchar_t *s)
+ {
+ int result = 0;
+- if (s != 0) {
++ if (s != NULL) {
+ while (CharOf(s[result]) != L'\0') {
+ result++;
+ }
+@@ -230,7 +230,7 @@
+
+ T((T_CALLED("waddnwstr(%p,%s,%d)"), (void *) win, _nc_viswbufn(str, n), n));
+
+- if (win && (str != 0) && (n != 0)) {
++ if (win && (str != NULL) && (n != 0)) {
+ bool explicit = (n > 0);
+
+ TR(TRACE_VIRTPUT | TRACE_ATTRS,
+Index: ncurses/base/lib_beep.c
+Prereq: 1.18
+--- ncurses-6.5-20241130+/ncurses/base/lib_beep.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_beep.c 2024-12-07 20:00:48.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2013,2014 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -47,7 +47,7 @@
+ #define CUR SP_TERMTYPE
+ #endif
+
+-MODULE_ID("$Id: lib_beep.c,v 1.18 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_beep.c,v 1.19 2024/12/07 20:00:48 tom Exp $")
+
+ /*
+ * beep()
+@@ -69,7 +69,7 @@
+ res = CallDriver_1(SP_PARM, td_doBeepOrFlash, TRUE);
+ #else
+ /* FIXME: should make sure that we are not in altchar mode */
+- if (cur_term == 0) {
++ if (cur_term == NULL) {
+ res = ERR;
+ } else if (bell) {
+ res = NCURSES_PUTP2_FLUSH("bell", bell);
+Index: ncurses/base/lib_bkgd.c
+Prereq: 1.63
+--- ncurses-6.5-20241130+/ncurses/base/lib_bkgd.c 2021-05-08 14:58:12.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_bkgd.c 2024-12-07 20:00:48.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2018-2020,2021 Thomas E. Dickey *
++ * Copyright 2018-2021,2024 Thomas E. Dickey *
+ * Copyright 1998-2014,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -37,7 +37,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_bkgd.c,v 1.63 2021/05/08 14:58:12 tom Exp $")
++MODULE_ID("$Id: lib_bkgd.c,v 1.64 2024/12/07 20:00:48 tom Exp $")
+
+ static const NCURSES_CH_T blank = NewChar(BLANK_TEXT);
+
+@@ -136,7 +136,7 @@
+ #define TraceChar(c) _tracechar(CharOf(c))
+ #endif
+
+- if (SP == 0) {
++ if (SP == NULL) {
+ ;
+ } else if (win) {
+ NCURSES_CH_T new_bkgd = CHDEREF(ch);
+Index: ncurses/base/lib_color.c
+Prereq: 1.152
+--- ncurses-6.5-20241130+/ncurses/base/lib_color.c 2024-11-23 18:27:25.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_color.c 2024-12-07 17:28:13.000000000 +0000
+@@ -49,7 +49,7 @@
+ #define CUR SP_TERMTYPE
+ #endif
+
+-MODULE_ID("$Id: lib_color.c,v 1.152 2024/11/23 18:27:25 tom Exp $")
++MODULE_ID("$Id: lib_color.c,v 1.153 2024/12/07 17:28:13 tom Exp $")
+
+ #ifdef USE_TERM_DRIVER
+ #define CanChange InfoOf(SP_PARM).canchange
+@@ -146,13 +146,13 @@
+ static int
+ default_fg(NCURSES_SP_DCL0)
+ {
+- return (SP_PARM != 0) ? SP_PARM->_default_fg : COLOR_WHITE;
++ return (SP_PARM != NULL) ? SP_PARM->_default_fg : COLOR_WHITE;
+ }
+
+ static int
+ default_bg(NCURSES_SP_DCL0)
+ {
+- return SP_PARM != 0 ? SP_PARM->_default_bg : COLOR_BLACK;
++ return SP_PARM != NULL ? SP_PARM->_default_bg : COLOR_BLACK;
+ }
+ #else
+ #define default_fg(sp) COLOR_WHITE
+@@ -273,7 +273,7 @@
+ result->bits.red = UChar(n);
+ result->bits.green = UChar(n);
+ result->bits.blue = UChar(n);
+- } else if ((s = tigetstr(name)) != 0 && VALID_STRING(s)) {
++ } else if ((s = tigetstr(name)) != NULL && VALID_STRING(s)) {
+ int red = n;
+ int green = n;
+ int blue = width - (2 * n);
+@@ -312,7 +312,7 @@
+ bool result = FALSE;
+
+ (void) SP_PARM;
+- if (orig_pair != 0) {
++ if (orig_pair != NULL) {
+ (void) NCURSES_PUTP2("orig_pair", orig_pair);
+ result = TRUE;
+ }
+@@ -339,7 +339,7 @@
+ #ifdef USE_TERM_DRIVER
+ result = CallDriver(SP_PARM, td_rescolors);
+ #else
+- if (orig_colors != 0) {
++ if (orig_colors != NULL) {
+ NCURSES_PUTP2("orig_colors", orig_colors);
+ result = TRUE;
+ }
+@@ -362,7 +362,7 @@
+
+ T((T_CALLED("start_color(%p)"), (void *) SP_PARM));
+
+- if (SP_PARM == 0) {
++ if (SP_PARM == NULL) {
+ result = ERR;
+ } else if (SP_PARM->_coloron) {
+ result = OK;
+@@ -406,12 +406,12 @@
+ #endif
+
+ ReservePairs(SP_PARM, 16);
+- if (SP_PARM->_color_pairs != 0) {
++ if (SP_PARM->_color_pairs != NULL) {
+ if (init_direct_colors(NCURSES_SP_ARG)) {
+ result = OK;
+ } else {
+ TYPE_CALLOC(color_t, maxcolors, SP_PARM->_color_table);
+- if (SP_PARM->_color_table != 0) {
++ if (SP_PARM->_color_table != NULL) {
+ MakeColorPair(SP_PARM->_color_pairs[0],
+ default_fg(NCURSES_SP_ARG),
+ default_bg(NCURSES_SP_ARG));
+@@ -425,7 +425,7 @@
+ COLORS, COLOR_PAIRS));
+
+ SP_PARM->_coloron = 1;
+- } else if (SP_PARM->_color_pairs != 0) {
++ } else if (SP_PARM->_color_pairs != NULL) {
+ FreeAndNull(SP_PARM->_color_pairs);
+ }
+ }
+@@ -526,13 +526,13 @@
+ if (have > sp->_pair_limit)
+ have = sp->_pair_limit;
+
+- if (sp->_color_pairs == 0) {
++ if (sp->_color_pairs == NULL) {
+ TYPE_CALLOC(colorpair_t, have, sp->_color_pairs);
+ } else if (have > sp->_pair_alloc) {
+ #if NCURSES_EXT_COLORS && NCURSES_EXT_FUNCS
+ colorpair_t *next;
+
+- if ((next = typeCalloc(colorpair_t, have)) == 0)
++ if ((next = typeCalloc(colorpair_t, have)) == NULL)
+ _nc_err_abort(MSG_NO_MEMORY);
+ memcpy(next, sp->_color_pairs, (size_t) sp->_pair_alloc * sizeof(*next));
+ _nc_copy_pairs(sp, next, sp->_color_pairs, sp->_pair_alloc);
+@@ -546,7 +546,7 @@
+ }
+ #endif
+ }
+- if (sp->_color_pairs != 0) {
++ if (sp->_color_pairs != NULL) {
+ sp->_pair_alloc = have;
+ }
+ }
+@@ -713,7 +713,7 @@
+ color,
+ r, g, b));
+
+- if (sp == 0 || sp->_direct_color.value)
++ if (sp == NULL || sp->_direct_color.value)
+ returnCode(result);
+
+ maxcolors = MaxColors;
+@@ -837,7 +837,7 @@
+ (void *) g,
+ (void *) b));
+
+- if (sp != 0) {
++ if (sp != NULL) {
+ int maxcolors = MaxColors;
+
+ if (color >= 0 && OkColorHi(color) && sp->_coloron) {
+@@ -1008,14 +1008,14 @@
+ TIPARM_1(set_color_pair, pair),
+ 1, outc);
+ return;
+- } else if (SP_PARM != 0) {
++ } else if (SP_PARM != NULL) {
+ if (_nc_pair_content(SP_PARM, pair, &fg, &bg) == ERR)
+ return;
+ }
+ }
+
+ if (old_pair >= 0
+- && SP_PARM != 0
++ && SP_PARM != NULL
+ && _nc_pair_content(SP_PARM, old_pair, &old_fg, &old_bg) != ERR) {
+ if ((isDefaultColor(fg) && !isDefaultColor(old_fg))
+ || (isDefaultColor(bg) && !isDefaultColor(old_bg))) {
+@@ -1115,11 +1115,11 @@
+ NCURSES_EXPORT(void)
+ NCURSES_SP_NAME(reset_color_pairs) (NCURSES_SP_DCL0)
+ {
+- if (SP_PARM != 0) {
++ if (SP_PARM != NULL) {
+ if (SP_PARM->_color_pairs) {
+ _nc_free_ordered_pairs(SP_PARM);
+ free(SP_PARM->_color_pairs);
+- SP_PARM->_color_pairs = 0;
++ SP_PARM->_color_pairs = NULL;
+ SP_PARM->_pair_alloc = 0;
+ ReservePairs(SP_PARM, 16);
+ clearok(CurScreen(SP_PARM), TRUE);
+Index: ncurses/base/lib_colorset.c
+Prereq: 1.16
+--- ncurses-6.5-20241130+/ncurses/base/lib_colorset.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_colorset.c 2024-12-07 20:00:48.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2014,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -42,7 +42,7 @@
+ #include <curses.priv.h>
+ #include <ctype.h>
+
+-MODULE_ID("$Id: lib_colorset.c,v 1.16 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_colorset.c,v 1.17 2024/12/07 20:00:48 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ wcolor_set(WINDOW *win, NCURSES_PAIRS_T pair_arg, void *opts)
+@@ -53,7 +53,7 @@
+ T((T_CALLED("wcolor_set(%p,%d)"), (void *) win, color_pair));
+ set_extended_pair(opts, color_pair);
+ if (win
+- && (SP != 0)
++ && (SP != NULL)
+ && (color_pair >= 0)
+ && (color_pair < SP->_pair_limit)) {
+ TR(TRACE_ATTRS, ("... current %ld", (long) GET_WINDOW_PAIR(win)));
+Index: ncurses/base/lib_delwin.c
+Prereq: 1.28
+--- ncurses-6.5-20241130+/ncurses/base/lib_delwin.c 2024-07-27 18:57:35.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_delwin.c 2024-12-07 17:28:13.000000000 +0000
+@@ -43,7 +43,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_delwin.c,v 1.28 2024/07/27 18:57:35 tom Exp $")
++MODULE_ID("$Id: lib_delwin.c,v 1.29 2024/12/07 17:28:13 tom Exp $")
+
+ static bool
+ cannot_delete(const WINDOW *win)
+@@ -80,7 +80,7 @@
+ T((T_CALLED("delwin(%p)"), (void *) win));
+
+ if (_nc_try_global(curses) == 0) {
+- if (win == 0
++ if (win == NULL
+ || cannot_delete(win)) {
+ result = ERR;
+ } else if (IS_PAD(win)) {
+@@ -92,7 +92,7 @@
+ #endif
+ if (IS_SUBWIN(win)) {
+ touchwin(win->_parent);
+- } else if (CurScreen(SP_PARM) != 0) {
++ } else if (CurScreen(SP_PARM) != NULL) {
+ touchwin(CurScreen(SP_PARM));
+ }
+ result = _nc_freewin(win);
+Index: ncurses/base/lib_dft_fgbg.c
+Prereq: 1.31
+--- ncurses-6.5-20241130+/ncurses/base/lib_dft_fgbg.c 2021-04-03 22:27:18.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_dft_fgbg.c 2024-12-07 20:00:48.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2021 Thomas E. Dickey *
++ * Copyright 2020-2021,2024 Thomas E. Dickey *
+ * Copyright 1998-2014,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -38,7 +38,7 @@
+ #define CUR SP_TERMTYPE
+ #endif
+
+-MODULE_ID("$Id: lib_dft_fgbg.c,v 1.31 2021/04/03 22:27:18 tom Exp $")
++MODULE_ID("$Id: lib_dft_fgbg.c,v 1.32 2024/12/07 20:00:48 tom Exp $")
+
+ /*
+ * Modify the behavior of color-pair 0 so that the library doesn't assume that
+@@ -69,7 +69,7 @@
+ int code = ERR;
+
+ T((T_CALLED("assume_default_colors(%p,%d,%d)"), (void *) SP_PARM, fg, bg));
+- if (SP_PARM != 0) {
++ if (SP_PARM != NULL) {
+ #ifdef USE_TERM_DRIVER
+ code = CallDriver_2(SP_PARM, td_defaultcolors, fg, bg);
+ #else
+@@ -79,7 +79,7 @@
+ SP_PARM->_has_sgr_39_49 = (tigetflag("AX") == TRUE);
+ SP_PARM->_default_fg = isDefaultColor(fg) ? COLOR_DEFAULT : fg;
+ SP_PARM->_default_bg = isDefaultColor(bg) ? COLOR_DEFAULT : bg;
+- if (SP_PARM->_color_pairs != 0) {
++ if (SP_PARM->_color_pairs != NULL) {
+ bool save = SP_PARM->_default_color;
+ SP_PARM->_assumed_color = TRUE;
+ SP_PARM->_default_color = TRUE;
+Index: ncurses/base/lib_echo.c
+Prereq: 1.10
+--- ncurses-6.5-20241130+/ncurses/base/lib_echo.c 2023-04-29 18:57:12.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_echo.c 2024-12-07 20:00:48.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2023 Thomas E. Dickey *
++ * Copyright 2020-2023,2024 Thomas E. Dickey *
+ * Copyright 1998-2000,2009 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -45,13 +45,13 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_echo.c,v 1.10 2023/04/29 18:57:12 tom Exp $")
++MODULE_ID("$Id: lib_echo.c,v 1.11 2024/12/07 20:00:48 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ NCURSES_SP_NAME(echo) (NCURSES_SP_DCL0)
+ {
+ T((T_CALLED("echo(%p)"), (void *) SP_PARM));
+- if (0 == SP_PARM)
++ if (NULL == SP_PARM)
+ returnCode(ERR);
+ IsEcho(SP_PARM) = TRUE;
+ returnCode(OK);
+@@ -69,7 +69,7 @@
+ NCURSES_SP_NAME(noecho) (NCURSES_SP_DCL0)
+ {
+ T((T_CALLED("noecho(%p)"), (void *) SP_PARM));
+- if (0 == SP_PARM)
++ if (NULL == SP_PARM)
+ returnCode(ERR);
+ IsEcho(SP_PARM) = FALSE;
+ returnCode(OK);
+Index: ncurses/base/lib_erase.c
+Prereq: 1.20
+--- ncurses-6.5-20241130+/ncurses/base/lib_erase.c 2022-09-03 21:40:27.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_erase.c 2024-12-07 20:00:48.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2022 Thomas E. Dickey *
++ * Copyright 2020-2022,2024 Thomas E. Dickey *
+ * Copyright 1998-2009,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -42,7 +42,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_erase.c,v 1.20 2022/09/03 21:40:27 tom Exp $")
++MODULE_ID("$Id: lib_erase.c,v 1.21 2024/12/07 20:00:48 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ werase(WINDOW *win)
+@@ -71,7 +71,7 @@
+ */
+ if_WIDEC({
+ if (isWidecExt(start[0])) {
+- int x = (win->_parent != 0) ? (win->_begx) : 0;
++ int x = (win->_parent != NULL) ? (win->_begx) : 0;
+ while (x-- > 0) {
+ if (isWidecBase(start[-1])) {
+ --start;
+Index: ncurses/base/lib_freeall.c
+Prereq: 1.77
+--- ncurses-6.5-20241130+/ncurses/base/lib_freeall.c 2024-07-27 19:22:23.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_freeall.c 2024-12-07 18:00:11.000000000 +0000
+@@ -40,7 +40,7 @@
+ extern int malloc_errfd; /* FIXME */
+ #endif
+
+-MODULE_ID("$Id: lib_freeall.c,v 1.77 2024/07/27 19:22:23 tom Exp $")
++MODULE_ID("$Id: lib_freeall.c,v 1.78 2024/12/07 18:00:11 tom Exp $")
+
+ /*
+ * Free all ncurses data. This is used for testing only (there's no practical
+@@ -54,11 +54,11 @@
+ T((T_CALLED("_nc_freeall()")));
+ #if NO_LEAKS
+ _nc_globals.leak_checking = TRUE;
+- if (SP_PARM != 0) {
+- if (SP_PARM->_oldnum_list != 0) {
++ if (SP_PARM != NULL) {
++ if (SP_PARM->_oldnum_list != NULL) {
+ FreeAndNull(SP_PARM->_oldnum_list);
+ }
+- if (SP_PARM->_panelHook.destroy != 0) {
++ if (SP_PARM->_panelHook.destroy != NULL) {
+ SP_PARM->_panelHook.destroy(SP_PARM->_panelHook.stdscr_pseudo_panel);
+ }
+ #if NCURSES_EXT_COLORS
+@@ -66,10 +66,10 @@
+ #endif
+ }
+ #endif
+- if (SP_PARM != 0) {
++ if (SP_PARM != NULL) {
+ _nc_lock_global(curses);
+
+- while (WindowList(SP_PARM) != 0) {
++ while (WindowList(SP_PARM) != NULL) {
+ WINDOWLIST *p, *q;
+ bool deleted = FALSE;
+
+@@ -119,7 +119,7 @@
+ _nc_unlock_global(curses);
+ }
+
+- (void) _nc_printf_string(0, empty_va);
++ (void) _nc_printf_string(NULL, empty_va);
+ #ifdef TRACE
+ (void) _nc_trace_buf(-1, (size_t) 0);
+ #endif
+Index: ncurses/base/lib_getch.c
+Prereq: 1.147
+--- ncurses-6.5-20241130+/ncurses/base/lib_getch.c 2024-08-31 15:54:49.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_getch.c 2024-12-07 17:40:33.000000000 +0000
+@@ -44,7 +44,7 @@
+ #define NEED_KEY_EVENT
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_getch.c,v 1.147 2024/08/31 15:54:49 tom Exp $")
++MODULE_ID("$Id: lib_getch.c,v 1.148 2024/12/07 17:40:33 tom Exp $")
+
+ #include <fifo_defs.h>
+
+@@ -414,7 +414,7 @@
+ SCREEN *sp = _nc_screen_of(win);
+ int rc;
+
+- if (sp != 0) {
++ if (sp != NULL) {
+ #ifdef USE_PTHREADS
+ if (_nc_use_pthreads && sp != CURRENT_SCREEN) {
+ SCREEN *save_SP;
+@@ -457,7 +457,7 @@
+ *result = 0;
+
+ sp = _nc_screen_of(win);
+- if (win == 0 || sp == 0) {
++ if (win == NULL || sp == NULL) {
+ returnCode(ERR);
+ }
+
+Index: ncurses/base/lib_initscr.c
+Prereq: 1.48
+--- ncurses-6.5-20241130+/ncurses/base/lib_initscr.c 2020-09-07 14:26:48.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_initscr.c 2024-12-07 20:00:48.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2019,2020 Thomas E. Dickey *
++ * Copyright 2019-2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2016,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -46,7 +46,7 @@
+ #include <sys/termio.h> /* needed for ISC */
+ #endif
+
+-MODULE_ID("$Id: lib_initscr.c,v 1.48 2020/09/07 14:26:48 tom Exp $")
++MODULE_ID("$Id: lib_initscr.c,v 1.49 2024/12/07 20:00:48 tom Exp $")
+
+ NCURSES_EXPORT(WINDOW *)
+ initscr(void)
+@@ -90,7 +90,7 @@
+ }
+ }
+ #endif
+- if (newterm(name, stdout, stdin) == 0) {
++ if (newterm(name, stdout, stdin) == NULL) {
+ fprintf(stderr, "Error opening terminal: %s.\n", name);
+ ExitProgram(EXIT_FAILURE);
+ }
+Index: ncurses/base/lib_insch.c
+Prereq: 1.38
+--- ncurses-6.5-20241130+/ncurses/base/lib_insch.c 2024-07-27 19:23:21.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_insch.c 2024-12-07 17:40:33.000000000 +0000
+@@ -44,7 +44,7 @@
+ #include <curses.priv.h>
+ #include <ctype.h>
+
+-MODULE_ID("$Id: lib_insch.c,v 1.38 2024/07/27 19:23:21 tom Exp $")
++MODULE_ID("$Id: lib_insch.c,v 1.39 2024/12/07 17:40:33 tom Exp $")
+
+ /*
+ * Insert the given character, updating the current location to simplify
+@@ -85,7 +85,7 @@
+ #endif
+ (isprint(ch8) ||
+ (ChAttrOf(ch) & A_ALTCHARSET) ||
+- (sp != 0 && sp->_legacy_coding && !iscntrl(ch8)))) {
++ (sp != NULL && sp->_legacy_coding && !iscntrl(ch8)))) {
+ if (win->_curx <= win->_maxx) {
+ struct ldat *line = &(win->_line[win->_cury]);
+ NCURSES_CH_T *end = &(line->text[win->_curx]);
+@@ -151,7 +151,7 @@
+
+ T((T_CALLED("winsch(%p, %s)"), (void *) win, _tracechtype(c)));
+
+- if (win != 0) {
++ if (win != NULL) {
+ NCURSES_SIZE_T oy = win->_cury;
+ NCURSES_SIZE_T ox = win->_curx;
+
+Index: ncurses/base/lib_insnstr.c
+Prereq: 1.10
+--- ncurses-6.5-20241130+/ncurses/base/lib_insnstr.c 2023-11-21 21:58:03.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_insnstr.c 2024-12-07 20:00:48.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2018-2022,2023 Thomas E. Dickey *
++ * Copyright 2018-2023,2024 Thomas E. Dickey *
+ * Copyright 2004-2009,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -41,7 +41,7 @@
+ #include <curses.priv.h>
+ #include <ctype.h>
+
+-MODULE_ID("$Id: lib_insnstr.c,v 1.10 2023/11/21 21:58:03 tom Exp $")
++MODULE_ID("$Id: lib_insnstr.c,v 1.11 2024/12/07 20:00:48 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ winsnstr(WINDOW *win, const char *s, int n)
+@@ -51,7 +51,7 @@
+
+ T((T_CALLED("winsnstr(%p,%s,%d)"), (void *) win, _nc_visbufn(s, n), n));
+
+- if (win != 0 && str != 0 && n != 0) {
++ if (win != NULL && str != NULL && n != 0) {
+ SCREEN *sp = _nc_screen_of(win);
+ #if USE_WIDEC_SUPPORT
+ /*
+@@ -64,7 +64,7 @@
+ if (sp->_screen_unicode) {
+ size_t nn = (n > 0) ? (size_t) n : strlen(s);
+ wchar_t *buffer = typeMalloc(wchar_t, nn + 1);
+- if (buffer != 0) {
++ if (buffer != NULL) {
+ mbstate_t state;
+ size_t n3;
+ init_mb(state);
+Index: ncurses/base/lib_instr.c
+Prereq: 1.27
+--- ncurses-6.5-20241130+/ncurses/base/lib_instr.c 2024-07-27 19:22:23.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_instr.c 2024-12-07 17:53:39.000000000 +0000
+@@ -42,7 +42,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_instr.c,v 1.27 2024/07/27 19:22:23 tom Exp $")
++MODULE_ID("$Id: lib_instr.c,v 1.28 2024/12/07 17:53:39 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ winnstr(WINDOW *win, char *str, int n)
+@@ -72,17 +72,17 @@
+ wchar_t *wch;
+ int n2;
+
+- n2 = getcchar(cell, 0, 0, 0, 0);
++ n2 = getcchar(cell, NULL, NULL, NULL, NULL);
+ if (n2 > 0
+- && (wch = typeCalloc(wchar_t, (unsigned) n2 + 1)) != 0) {
++ && (wch = typeCalloc(wchar_t, (unsigned) n2 + 1)) != NULL) {
+ bool done = FALSE;
+
+- if (getcchar(cell, wch, &attrs, &pair, 0) == OK) {
++ if (getcchar(cell, wch, &attrs, &pair, NULL) == OK) {
+ mbstate_t state;
+ size_t n3;
+
+ init_mb(state);
+- n3 = wcstombs(0, wch, (size_t) 0);
++ n3 = wcstombs(NULL, wch, (size_t) 0);
+ if (!isEILSEQ(n3) && (n3 != 0) && (n3 <= MB_LEN_MAX)) {
+ size_t need = n3 + 10 + (size_t) i;
+ int have = (int) n3 + i;
+@@ -90,7 +90,7 @@
+ /* check for loop-done as well as overflow */
+ if (have > n || (int) need <= 0) {
+ done = TRUE;
+- } else if ((tmp = typeCalloc(char, need)) == 0) {
++ } else if ((tmp = typeCalloc(char, need)) == NULL) {
+ done = TRUE;
+ } else {
+ size_t i3;
+Index: ncurses/base/lib_mouse.c
+Prereq: 1.202
+--- ncurses-6.5-20241130+/ncurses/base/lib_mouse.c 2024-11-23 19:06:20.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_mouse.c 2024-12-07 17:40:33.000000000 +0000
+@@ -85,7 +85,7 @@
+ #define CUR SP_TERMTYPE
+ #endif
+
+-MODULE_ID("$Id: lib_mouse.c,v 1.202 2024/11/23 19:06:20 tom Exp $")
++MODULE_ID("$Id: lib_mouse.c,v 1.203 2024/12/07 17:40:33 tom Exp $")
+
+ #include <tic.h>
+
+@@ -391,7 +391,7 @@
+ sp->_mouse_xtermcap = tigetstr("XM");
+ if (VALID_STRING(sp->_mouse_xtermcap)) {
+ char *code = strstr(sp->_mouse_xtermcap, "[?");
+- if (code != 0) {
++ if (code != NULL) {
+ code += 2;
+ while ((*code >= '0') && (*code <= '9')) {
+ char *next = code;
+@@ -761,7 +761,7 @@
+ /* we know how to recognize mouse events under "xterm" */
+ if (NonEmpty(key_mouse)) {
+ init_xterm_mouse(sp);
+- } else if (strstr(SP_TERMTYPE term_names, "xterm") != 0) {
++ } else if (strstr(SP_TERMTYPE term_names, "xterm") != NULL) {
+ if (_nc_add_to_try(&(sp->_keytry), xterm_kmous, KEY_MOUSE) == OK)
+ init_xterm_mouse(sp);
+ }
+@@ -778,7 +778,7 @@
+
+ T((T_CALLED("_nc_mouse_init(%p)"), (void *) sp));
+
+- if (sp != 0) {
++ if (sp != NULL) {
+ if (!sp->_mouse_initialized) {
+ int i;
+
+@@ -1834,10 +1834,10 @@
+
+ T((T_CALLED("getmouse(%p,%p)"), (void *) SP_PARM, (void *) aevent));
+
+- if ((aevent != 0) &&
+- (SP_PARM != 0) &&
++ if ((aevent != NULL) &&
++ (SP_PARM != NULL) &&
+ (SP_PARM->_mouse_type != M_NONE) &&
+- (eventp = SP_PARM->_mouse_eventp) != 0) {
++ (eventp = SP_PARM->_mouse_eventp) != NULL) {
+ /* compute the current-event pointer */
+ MEVENT *prev = PREV(eventp);
+
+@@ -1890,9 +1890,9 @@
+
+ T((T_CALLED("ungetmouse(%p,%p)"), (void *) SP_PARM, (void *) aevent));
+
+- if (aevent != 0 &&
+- SP_PARM != 0 &&
+- (eventp = SP_PARM->_mouse_eventp) != 0) {
++ if (aevent != NULL &&
++ SP_PARM != NULL &&
++ (eventp = SP_PARM->_mouse_eventp) != NULL) {
+
+ /* stick the given event in the next-free slot */
+ *eventp = *aevent;
+@@ -1926,7 +1926,7 @@
+ (unsigned long) newmask,
+ (void *) oldmask));
+
+- if (SP_PARM != 0) {
++ if (SP_PARM != NULL) {
+ if (oldmask)
+ *oldmask = SP_PARM->_mouse_mask;
+
+@@ -1988,7 +1988,7 @@
+
+ T((T_CALLED("wenclose(%p,%d,%d)"), (const void *) win, y, x));
+
+- if (win != 0) {
++ if (win != NULL) {
+ y -= win->_yoffset;
+ if (IS_PAD(win)) {
+ if (win->_pad._pad_y >= 0 &&
+@@ -2020,7 +2020,7 @@
+
+ T((T_CALLED("mouseinterval(%p,%d)"), (void *) SP_PARM, maxclick));
+
+- if (SP_PARM != 0) {
++ if (SP_PARM != NULL) {
+ oldval = SP_PARM->_maxclick;
+ if (maxclick >= 0)
+ SP_PARM->_maxclick = maxclick;
+@@ -2044,7 +2044,7 @@
+ NCURSES_EXPORT(bool)
+ _nc_has_mouse(const SCREEN *sp)
+ {
+- return (((0 == sp) || (sp->_mouse_type == M_NONE)) ? FALSE : TRUE);
++ return (((NULL == sp) || (sp->_mouse_type == M_NONE)) ? FALSE : TRUE);
+ }
+
+ NCURSES_EXPORT(bool)
+Index: ncurses/base/lib_newterm.c
+Prereq: 1.106
+--- ncurses-6.5-20241130+/ncurses/base/lib_newterm.c 2024-11-23 18:33:35.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_newterm.c 2024-12-07 17:41:36.000000000 +0000
+@@ -49,7 +49,7 @@
+
+ #include <tic.h>
+
+-MODULE_ID("$Id: lib_newterm.c,v 1.106 2024/11/23 18:33:35 tom Exp $")
++MODULE_ID("$Id: lib_newterm.c,v 1.107 2024/12/07 17:41:36 tom Exp $")
+
+ #ifdef USE_TERM_DRIVER
+ #define NumLabels InfoOf(SP_PARM).numlabels
+@@ -175,12 +175,12 @@
+ FILE *ifp)
+ {
+ int errret;
+- SCREEN *result = 0;
++ SCREEN *result = NULL;
+ SCREEN *current;
+ TERMINAL *its_term;
+ FILE *_ofp = ofp ? ofp : stdout;
+ FILE *_ifp = ifp ? ifp : stdin;
+- TERMINAL *new_term = 0;
++ TERMINAL *new_term = NULL;
+
+ START_TRACE();
+ T((T_CALLED("newterm(%p, \"%s\", %p,%p)"),
+@@ -191,7 +191,7 @@
+
+ #if NCURSES_SP_FUNCS
+ assert(SP_PARM != 0);
+- if (SP_PARM == 0)
++ if (SP_PARM == NULL)
+ returnSP(SP_PARM);
+ #endif
+
+@@ -199,7 +199,7 @@
+ _nc_lock_global(curses);
+
+ current = CURRENT_SCREEN;
+- its_term = (current ? current->_term : 0);
++ its_term = (current ? current->_term : NULL);
+
+ #if defined(EXP_WIN32_DRIVER)
+ _setmode(fileno(_ifp), _O_BINARY);
+@@ -214,7 +214,7 @@
+ int slk_format;
+ bool filter_mode;
+
+- _nc_set_screen(0);
++ _nc_set_screen(NULL);
+ #ifdef USE_TERM_DRIVER
+ assert(new_term != 0);
+ #endif
+@@ -241,7 +241,7 @@
+ filter_mode,
+ slk_format) == ERR) {
+ _nc_set_screen(current);
+- result = 0;
++ result = NULL;
+ } else {
+ int value;
+ int cols;
+@@ -318,7 +318,7 @@
+
+ NCURSES_SP_NAME(baudrate) (NCURSES_SP_ARG); /* sets a field in the screen structure */
+
+- SP_PARM->_keytry = 0;
++ SP_PARM->_keytry = NULL;
+
+ /* compute movement costs so we can do better move optimization */
+ #ifdef USE_TERM_DRIVER
+@@ -333,7 +333,7 @@
+ * properly if we remove rmso or rmul. Curses applications
+ * shouldn't be looking at this detail.
+ */
+-#define SGR0_TEST(mode) (mode != 0) && (exit_attribute_mode == 0 || strcmp(mode, exit_attribute_mode))
++#define SGR0_TEST(mode) (mode != NULL) && (exit_attribute_mode == NULL || strcmp(mode, exit_attribute_mode))
+ SP_PARM->_use_rmso = SGR0_TEST(exit_standout_mode);
+ SP_PARM->_use_rmul = SGR0_TEST(exit_underline_mode);
+ #if USE_ITALIC
+Index: ncurses/base/lib_newwin.c
+Prereq: 1.77
+--- ncurses-6.5-20241130+/ncurses/base/lib_newwin.c 2024-09-28 15:55:56.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_newwin.c 2024-12-07 20:19:18.000000000 +0000
+@@ -44,7 +44,7 @@
+ #include <curses.priv.h>
+ #include <stddef.h>
+
+-MODULE_ID("$Id: lib_newwin.c,v 1.77 2024/09/28 15:55:56 tom Exp $")
++MODULE_ID("$Id: lib_newwin.c,v 1.78 2024/12/07 20:19:18 tom Exp $")
+
+ #define window_is(name) ((sp)->_##name == win)
+
+@@ -53,9 +53,9 @@
+ sp->_##name = 0
+ #else
+ #define remove_window(name) \
+- sp->_##name = 0; \
++ sp->_##name = NULL; \
+ if (win == name) \
+- name = 0
++ name = NULL
+ #endif
+
+ static void
+@@ -64,7 +64,7 @@
+ SCREEN *sp;
+
+ #ifdef USE_SP_WINDOWLIST
+- if ((sp = _nc_screen_of(win)) != 0) {
++ if ((sp = _nc_screen_of(win)) != NULL) {
+ if (window_is(curscr)) {
+ remove_window(curscr);
+ } else if (window_is(stdscr)) {
+@@ -99,17 +99,17 @@
+
+ T((T_CALLED("_nc_freewin(%p)"), (void *) win));
+
+- if (win != 0) {
++ if (win != NULL) {
+
+ if (_nc_nonsp_try_global(curses) == 0) {
+ WINDOWLIST *p, *q;
+
+- q = 0;
++ q = NULL;
+ for (each_window(sp, p)) {
+
+ if (&(p->win) == win) {
+ remove_window_from_screen(win);
+- if (q == 0)
++ if (q == NULL)
+ WindowList(sp) = p->next;
+ else
+ q->next = p->next;
+@@ -150,8 +150,8 @@
+ || begx < 0
+ || num_lines < 0
+ || num_columns < 0
+- || SP_PARM == 0)
+- returnWin(0);
++ || SP_PARM == NULL)
++ returnWin(NULL);
+
+ if (num_lines == 0)
+ num_lines = SP_PARM->_lines_avail - begy;
+@@ -160,14 +160,14 @@
+
+ win = NCURSES_SP_NAME(_nc_makenew) (NCURSES_SP_ARGx
+ num_lines, num_columns, begy, begx, 0);
+- if (win == 0)
+- returnWin(0);
++ if (win == NULL)
++ returnWin(NULL);
+
+ for (i = 0; i < num_lines; i++) {
+ win->_line[i].text = typeCalloc(NCURSES_CH_T, (unsigned) num_columns);
+- if (win->_line[i].text == 0) {
++ if (win->_line[i].text == NULL) {
+ (void) _nc_freewin(win);
+- returnWin(0);
++ returnWin(NULL);
+ }
+ for (ptr = win->_line[i].text;
+ ptr < win->_line[i].text + num_columns;
+@@ -207,11 +207,14 @@
+ /*
+ * make sure window fits inside the original one
+ */
+- if (begy < 0 || begx < 0 || orig == 0 || num_lines < 0 || num_columns < 0)
+- returnWin(0);
+- if (begy + num_lines > orig->_maxy + 1
++ if (begy < 0
++ || begx < 0
++ || orig == NULL
++ || num_lines < 0
++ || num_columns < 0
++ || begy + num_lines > orig->_maxy + 1
+ || begx + num_columns > orig->_maxx + 1)
+- returnWin(0);
++ returnWin(NULL);
+
+ if (num_lines == 0)
+ num_lines = orig->_maxy + 1 - begy;
+@@ -225,8 +228,8 @@
+ win = NCURSES_SP_NAME(_nc_makenew) (NCURSES_SP_ARGx num_lines, num_columns,
+ orig->_begy + begy,
+ orig->_begx + begx, flags);
+- if (win == 0)
+- returnWin(0);
++ if (win == NULL)
++ returnWin(NULL);
+
+ win->_pary = begy;
+ win->_parx = begx;
+@@ -244,10 +247,10 @@
+ NCURSES_EXPORT(WINDOW *)
+ subwin(WINDOW *w, int l, int c, int y, int x)
+ {
+- WINDOW *result = 0;
++ WINDOW *result = NULL;
+
+ T((T_CALLED("subwin(%p, %d, %d, %d, %d)"), (void *) w, l, c, y, x));
+- if (w != 0) {
++ if (w != NULL) {
+ T(("parent has begy = %ld, begx = %ld", (long) w->_begy, (long) w->_begx));
+
+ result = derwin(w, l, c, y - w->_begy, x - w->_begx);
+@@ -271,20 +274,20 @@
+ T((T_CALLED("_nc_makenew(%p,%d,%d,%d,%d)"),
+ (void *) SP_PARM, num_lines, num_columns, begy, begx));
+
+- if (SP_PARM == 0)
+- returnWin(0);
++ if (SP_PARM == NULL)
++ returnWin(NULL);
+
+ if (!OK_DIMENSION(num_lines) || !OK_DIMENSION(num_columns))
+- returnWin(0);
++ returnWin(NULL);
+
+- if ((wp = typeCalloc(WINDOWLIST, 1)) == 0)
+- returnWin(0);
++ if ((wp = typeCalloc(WINDOWLIST, 1)) == NULL)
++ returnWin(NULL);
+
+ win = &(wp->win);
+
+- if ((win->_line = typeCalloc(struct ldat, ((unsigned) num_lines))) == 0) {
++ if ((win->_line = typeCalloc(struct ldat, ((unsigned) num_lines))) == NULL) {
+ free(wp);
+- returnWin(0);
++ returnWin(NULL);
+ }
+
+ _nc_nonsp_lock_global(curses);
+@@ -315,7 +318,7 @@
+ win->_sync = 0;
+ win->_parx = -1;
+ win->_pary = -1;
+- win->_parent = 0;
++ win->_parent = NULL;
+
+ win->_regtop = 0;
+ win->_regbottom = (NCURSES_SIZE_T) (num_lines - 1);
+@@ -382,18 +385,18 @@
+ NCURSES_EXPORT(WINDOW *)
+ _nc_curscr_of(SCREEN *sp)
+ {
+- return (sp == 0) ? NULL : CurScreen(sp);
++ return (sp == NULL) ? NULL : CurScreen(sp);
+ }
+
+ NCURSES_EXPORT(WINDOW *)
+ _nc_newscr_of(SCREEN *sp)
+ {
+- return (sp == 0) ? NULL : NewScreen(sp);
++ return (sp == NULL) ? NULL : NewScreen(sp);
+ }
+
+ NCURSES_EXPORT(WINDOW *)
+ _nc_stdscr_of(SCREEN *sp)
+ {
+- return (sp == 0) ? NULL : StdScreen(sp);
++ return (sp == NULL) ? NULL : StdScreen(sp);
+ }
+ #endif
+Index: ncurses/base/lib_nl.c
+Prereq: 1.14
+--- ncurses-6.5-20241130+/ncurses/base/lib_nl.c 2023-04-29 18:51:49.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_nl.c 2024-12-07 20:00:48.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2023 Thomas E. Dickey *
++ * Copyright 2020-2023,2024 Thomas E. Dickey *
+ * Copyright 1998-2000,2009 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -45,7 +45,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_nl.c,v 1.14 2023/04/29 18:51:49 tom Exp $")
++MODULE_ID("$Id: lib_nl.c,v 1.15 2024/12/07 20:00:48 tom Exp $")
+
+ #ifdef __EMX__
+ #include <io.h>
+@@ -55,7 +55,7 @@
+ NCURSES_SP_NAME(nl) (NCURSES_SP_DCL0)
+ {
+ T((T_CALLED("nl(%p)"), (void *) SP_PARM));
+- if (0 == SP_PARM)
++ if (NULL == SP_PARM)
+ returnCode(ERR);
+ IsNl(SP_PARM) = TRUE;
+ #ifdef __EMX__
+@@ -77,7 +77,7 @@
+ NCURSES_SP_NAME(nonl) (NCURSES_SP_DCL0)
+ {
+ T((T_CALLED("nonl(%p)"), (void *) SP_PARM));
+- if (0 == SP_PARM)
++ if (NULL == SP_PARM)
+ returnCode(ERR);
+ IsNl(SP_PARM) = FALSE;
+ #ifdef __EMX__
+Index: ncurses/base/lib_overlay.c
+Prereq: 1.34
+--- ncurses-6.5-20241130+/ncurses/base/lib_overlay.c 2023-09-16 16:39:07.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_overlay.c 2024-12-07 20:03:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2023 Thomas E. Dickey *
++ * Copyright 2020-2023,2024 Thomas E. Dickey *
+ * Copyright 1998-2013,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -41,7 +41,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_overlay.c,v 1.34 2023/09/16 16:39:07 tom Exp $")
++MODULE_ID("$Id: lib_overlay.c,v 1.35 2024/12/07 20:03:37 tom Exp $")
+
+ static int
+ overlap(const WINDOW *const src, WINDOW *const dst, int const flag)
+@@ -50,7 +50,7 @@
+
+ T((T_CALLED("overlap(%p,%p,%d)"), (const void *) src, (void *) dst, flag));
+
+- if (src != 0 && dst != 0) {
++ if (src != NULL && dst != NULL) {
+ int sx1, sy1, sx2, sy2;
+ int dx1, dy1, dx2, dy2;
+
+@@ -146,8 +146,8 @@
+ dminrow, dmincol,
+ dmaxrow, dmaxcol, over));
+
+- if (src != 0
+- && dst != 0
++ if (src != NULL
++ && dst != NULL
+ && dmaxrow >= dminrow
+ && dmaxcol >= dmincol) {
+ attr_t bk;
+Index: ncurses/base/lib_pad.c
+Prereq: 1.51
+--- ncurses-6.5-20241130+/ncurses/base/lib_pad.c 2024-09-28 15:40:42.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_pad.c 2024-12-07 17:44:59.000000000 +0000
+@@ -43,7 +43,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_pad.c,v 1.51 2024/09/28 15:40:42 tom Exp $")
++MODULE_ID("$Id: lib_pad.c,v 1.52 2024/12/07 17:44:59 tom Exp $")
+
+ NCURSES_EXPORT(WINDOW *)
+ NCURSES_SP_NAME(newpad) (NCURSES_SP_DCLx int l, int c)
+@@ -55,17 +55,17 @@
+ T((T_CALLED("newpad(%p,%d, %d)"), (void *) SP_PARM, l, c));
+
+ if (l <= 0 || c <= 0)
+- returnWin(0);
++ returnWin(NULL);
+
+ win = NCURSES_SP_NAME(_nc_makenew) (NCURSES_SP_ARGx l, c, 0, 0, _ISPAD);
+ if (win == NULL)
+- returnWin(0);
++ returnWin(NULL);
+
+ for (i = 0; i < l; i++) {
+ if_USE_SCROLL_HINTS(win->_line[i].oldindex = _NEWINDEX);
+- if ((win->_line[i].text = typeCalloc(NCURSES_CH_T, ((size_t) c))) == 0) {
++ if ((win->_line[i].text = typeCalloc(NCURSES_CH_T, ((size_t) c))) == NULL) {
+ (void) _nc_freewin(win);
+- returnWin(0);
++ returnWin(NULL);
+ }
+ for (ptr = win->_line[i].text; ptr < win->_line[i].text + c; ptr++)
+ SetChar(*ptr, BLANK_TEXT, BLANK_ATTR);
+@@ -92,7 +92,7 @@
+ if (orig) {
+ if (!IS_PAD(orig)
+ || ((win = derwin(orig, l, c, begy, begx)) == NULL))
+- returnWin(0);
++ returnWin(NULL);
+ }
+ returnWin(win);
+ }
+@@ -143,7 +143,7 @@
+ T((T_CALLED("pnoutrefresh(%p, %d, %d, %d, %d, %d, %d)"),
+ (void *) win, pminrow, pmincol, sminrow, smincol, smaxrow, smaxcol));
+
+- if (win == 0)
++ if (win == NULL)
+ returnCode(ERR);
+
+ if (!IS_PAD(win))
+@@ -331,7 +331,7 @@
+ {
+ T((T_CALLED("pechochar(%p, %s)"), (void *) pad, _tracechtype(ch)));
+
+- if (pad == 0)
++ if (pad == NULL)
+ returnCode(ERR);
+
+ if (!IS_PAD(pad))
+Index: ncurses/base/lib_printw.c
+Prereq: 1.29
+--- ncurses-6.5-20241130+/ncurses/base/lib_printw.c 2024-07-27 19:22:23.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_printw.c 2024-12-07 17:44:59.000000000 +0000
+@@ -40,7 +40,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_printw.c,v 1.29 2024/07/27 19:22:23 tom Exp $")
++MODULE_ID("$Id: lib_printw.c,v 1.30 2024/12/07 17:44:59 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ printw(const char *fmt, ...)
+@@ -142,7 +142,7 @@
+ T((T_CALLED("vwprintw(%p,%s,va_list)"), (void *) win, _nc_visbuf(fmt)));
+
+ buf = NCURSES_SP_NAME(_nc_printf_string) (NCURSES_SP_ARGx fmt, argp);
+- if (buf != 0) {
++ if (buf != NULL) {
+ code = waddstr(win, buf);
+ }
+ returnCode(code);
+@@ -160,7 +160,7 @@
+ T((T_CALLED("vw_printw(%p,%s,va_list)"), (void *) win, _nc_visbuf(fmt)));
+
+ buf = NCURSES_SP_NAME(_nc_printf_string) (NCURSES_SP_ARGx fmt, argp);
+- if (buf != 0) {
++ if (buf != NULL) {
+ code = waddstr(win, buf);
+ }
+ returnCode(code);
+Index: ncurses/base/lib_redrawln.c
+Prereq: 1.18
+--- ncurses-6.5-20241130+/ncurses/base/lib_redrawln.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_redrawln.c 2024-12-07 20:03:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2009,2010 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -40,7 +40,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_redrawln.c,v 1.18 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_redrawln.c,v 1.19 2024/12/07 20:03:37 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ wredrawln(WINDOW *win, int beg, int num)
+@@ -52,7 +52,7 @@
+
+ T((T_CALLED("wredrawln(%p,%d,%d)"), (void *) win, beg, num));
+
+- if (win == 0)
++ if (win == NULL)
+ returnCode(ERR);
+
+ sp = _nc_screen_of(win);
+Index: ncurses/base/lib_restart.c
+Prereq: 1.18
+--- ncurses-6.5-20241130+/ncurses/base/lib_restart.c 2023-04-29 19:01:25.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_restart.c 2024-12-07 20:03:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2023 Thomas E. Dickey *
++ * Copyright 2020-2023,2024 Thomas E. Dickey *
+ * Copyright 1998-2012,2015 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -42,7 +42,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_restart.c,v 1.18 2023/04/29 19:01:25 tom Exp $")
++MODULE_ID("$Id: lib_restart.c,v 1.19 2024/12/07 20:03:37 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ NCURSES_SP_NAME(restartterm) (NCURSES_SP_DCLx
+@@ -64,7 +64,7 @@
+
+ if (TINFO_SETUP_TERM(&new_term, termp, filenum, errret, FALSE) != OK) {
+ result = ERR;
+- } else if (SP_PARM != 0) {
++ } else if (SP_PARM != NULL) {
+ TTY_FLAGS save_flags = SP_PARM->_tty_flags;
+
+ #ifdef USE_TERM_DRIVER
+Index: ncurses/base/lib_screen.c
+Prereq: 1.109
+--- ncurses-6.5-20241130+/ncurses/base/lib_screen.c 2024-10-05 20:47:44.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_screen.c 2024-12-07 17:46:49.000000000 +0000
+@@ -42,7 +42,7 @@
+ #define CUR SP_TERMTYPE
+ #endif
+
+-MODULE_ID("$Id: lib_screen.c,v 1.109 2024/10/05 20:47:44 tom Exp $")
++MODULE_ID("$Id: lib_screen.c,v 1.110 2024/12/07 17:46:49 tom Exp $")
+
+ #define MAX_SIZE 0x3fff /* 16k is big enough for a window or pad */
+
+@@ -172,7 +172,7 @@
+ char *result = malloc(limit);
+ char *buffer;
+
+- if (result != 0) {
++ if (result != NULL) {
+ int ch = 0;
+ size_t used = 0;
+
+@@ -182,9 +182,9 @@
+ if (used + 2 >= limit) {
+ limit += 1024;
+ buffer = realloc(result, limit);
+- if (buffer == 0) {
++ if (buffer == NULL) {
+ free(result);
+- result = 0;
++ result = NULL;
+ break;
+ }
+ result = buffer;
+@@ -201,7 +201,7 @@
+ TR(TRACE_IEVENT, ("READ:%s", result));
+ } else if (used == 0) {
+ free(result);
+- result = 0;
++ result = NULL;
+ }
+ }
+ return result;
+@@ -306,7 +306,7 @@
+ *target = 0;
+ while (limit-- > 0) {
+ const char *find = strchr(digits, *source++);
+- int ch = (find != 0) ? (int) (find - digits) : -1;
++ int ch = (find != NULL) ? (int) (find - digits) : -1;
+ *target *= base;
+ if (ch >= 0 && ch < base) {
+ *target += ch;
+@@ -387,14 +387,14 @@
+ char *value;
+ char *txt = read_txt(fp);
+
+- if (txt == 0)
++ if (txt == NULL)
+ break;
+ if (!strcmp(txt, "rows:")) {
+ free(txt);
+ code = OK;
+ break;
+ }
+- if ((value = strchr(txt, '=')) == 0) {
++ if ((value = strchr(txt, '=')) == NULL) {
+ free(txt);
+ continue;
+ }
+@@ -506,8 +506,8 @@
+
+ T((T_CALLED("getwin(%p)"), (void *) filep));
+
+- if (filep == 0) {
+- returnWin(0);
++ if (filep == NULL) {
++ returnWin(NULL);
+ }
+
+ /*
+@@ -515,7 +515,7 @@
+ * screen-dump, or new-format.
+ */
+ if (read_block(&tmp, (size_t) 4, filep) < 0) {
+- returnWin(0);
++ returnWin(NULL);
+ }
+ /*
+ * If this is a new-format file, and we do not support it, give up.
+@@ -524,9 +524,9 @@
+ #if NCURSES_EXT_PUTWIN
+ if (read_win(&tmp, filep) < 0)
+ #endif
+- returnWin(0);
++ returnWin(NULL);
+ } else if (read_block(((char *) &tmp) + 4, sizeof(WINDOW) - 4, filep) < 0) {
+- returnWin(0);
++ returnWin(NULL);
+ } else {
+ old_format = TRUE;
+ }
+@@ -538,7 +538,7 @@
+ tmp._maxy > MAX_SIZE ||
+ tmp._maxx == 0 ||
+ tmp._maxx > MAX_SIZE) {
+- returnWin(0);
++ returnWin(NULL);
+ }
+
+ if (IS_PAD(&tmp)) {
+@@ -556,7 +556,7 @@
+ * fields, because the window hierarchy within which they
+ * made sense is probably gone.
+ */
+- if (nwin != 0) {
++ if (nwin != NULL) {
+ int n;
+ size_t linesize = sizeof(NCURSES_CH_T) * (size_t) (tmp._maxx + 1);
+
+@@ -594,13 +594,13 @@
+ for (n = 0; n <= nwin->_maxy; n++) {
+ if (read_block(nwin->_line[n].text, linesize, filep) < 0) {
+ delwin(nwin);
+- returnWin(0);
++ returnWin(NULL);
+ }
+ }
+ }
+ #if NCURSES_EXT_PUTWIN
+ else {
+- char *txt = 0;
++ char *txt = NULL;
+ bool success = TRUE;
+ NCURSES_CH_T prior = blank;
+
+@@ -609,7 +609,7 @@
+ long row;
+ char *next;
+
+- if ((txt = read_txt(filep)) == 0) {
++ if ((txt = read_txt(filep)) == NULL) {
+ T(("...failed to read string for row %d", n + 1));
+ success = FALSE;
+ break;
+@@ -628,13 +628,13 @@
+ break;
+ }
+ free(txt);
+- txt = 0;
++ txt = NULL;
+ }
+
+ if (!success) {
+ free(txt);
+ delwin(nwin);
+- returnWin(0);
++ returnWin(NULL);
+ }
+ }
+ #endif
+@@ -798,7 +798,7 @@
+ T((T_CALLED("putwin(%p,%p)"), (void *) win, (void *) filep));
+
+ #if NCURSES_EXT_PUTWIN
+- if (win != 0) {
++ if (win != NULL) {
+ const char *version = curses_version();
+ char buffer[1024];
+ NCURSES_CH_T last_cell;
+@@ -966,14 +966,14 @@
+ NCURSES_EXPORT(int)
+ NCURSES_SP_NAME(scr_restore) (NCURSES_SP_DCLx const char *file)
+ {
+- FILE *fp = 0;
++ FILE *fp = NULL;
+ int code = ERR;
+
+ T((T_CALLED("scr_restore(%p,%s)"), (void *) SP_PARM, _nc_visbuf(file)));
+
+ if (SP_PARM != NULL
+ && _nc_access(file, R_OK) >= 0
+- && (fp = safe_fopen(file, BIN_R)) != 0) {
++ && (fp = safe_fopen(file, BIN_R)) != NULL) {
+ WINDOW *my_newscr = replace_window(NewScreen(SP_PARM), fp);
+ (void) fclose(fp);
+ if (my_newscr != NULL) {
+@@ -1000,12 +1000,12 @@
+ scr_dump(const char *file)
+ {
+ int result;
+- FILE *fp = 0;
++ FILE *fp = NULL;
+
+ T((T_CALLED("scr_dump(%s)"), _nc_visbuf(file)));
+
+ if (_nc_access(file, W_OK) < 0
+- || (fp = safe_fopen(file, BIN_W)) == 0) {
++ || (fp = safe_fopen(file, BIN_W)) == NULL) {
+ result = ERR;
+ } else {
+ (void) putwin(newscr, fp);
+@@ -1029,10 +1029,10 @@
+ !(exit_ca_mode && non_rev_rmcup)
+ #endif
+ ) {
+- FILE *fp = 0;
++ FILE *fp = NULL;
+
+ if (_nc_access(file, R_OK) >= 0
+- && (fp = safe_fopen(file, BIN_R)) != 0) {
++ && (fp = safe_fopen(file, BIN_R)) != NULL) {
+ WINDOW *my_curscr = replace_window(CurScreen(SP_PARM), fp);
+ (void) fclose(fp);
+ if (my_curscr != NULL) {
+@@ -1070,7 +1070,7 @@
+ #if !USE_REENTRANT
+ newscr = NewScreen(SP_PARM);
+ #endif
+- if (NewScreen(SP_PARM) != 0) {
++ if (NewScreen(SP_PARM) != NULL) {
+ code = OK;
+ }
+ }
+Index: ncurses/base/lib_set_term.c
+Prereq: 1.189
+--- ncurses-6.5-20241130+/ncurses/base/lib_set_term.c 2024-11-23 18:33:50.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_set_term.c 2024-12-07 17:58:16.000000000 +0000
+@@ -57,7 +57,7 @@
+ #undef CUR
+ #define CUR SP_TERMTYPE
+
+-MODULE_ID("$Id: lib_set_term.c,v 1.189 2024/11/23 18:33:50 tom Exp $")
++MODULE_ID("$Id: lib_set_term.c,v 1.190 2024/12/07 17:58:16 tom Exp $")
+
+ #ifdef USE_TERM_DRIVER
+ #define MaxColors InfoOf(sp).maxcolors
+@@ -81,7 +81,7 @@
+ _nc_set_screen(screenp);
+ newSP = screenp;
+
+- if (newSP != 0) {
++ if (newSP != NULL) {
+ TINFO_SET_CURTERM(newSP, newSP->_term);
+ #if !USE_REENTRANT
+ curscr = CurScreen(newSP);
+@@ -91,11 +91,11 @@
+ COLOR_PAIRS = newSP->_pair_count;
+ #endif
+ } else {
+- TINFO_SET_CURTERM(oldSP, 0);
++ TINFO_SET_CURTERM(oldSP, NULL);
+ #if !USE_REENTRANT
+- curscr = 0;
+- newscr = 0;
+- stdscr = 0;
++ curscr = NULL;
++ newscr = NULL;
++ stdscr = NULL;
+ COLORS = 0;
+ COLOR_PAIRS = 0;
+ #endif
+@@ -110,7 +110,7 @@
+ static void
+ _nc_free_keytry(TRIES * kt)
+ {
+- if (kt != 0) {
++ if (kt != NULL) {
+ _nc_free_keytry(kt->child);
+ _nc_free_keytry(kt->sibling);
+ free(kt);
+@@ -120,7 +120,7 @@
+ static bool
+ delink_screen(SCREEN *sp)
+ {
+- SCREEN *last = 0;
++ SCREEN *last = NULL;
+ SCREEN *temp;
+ bool result = FALSE;
+
+@@ -174,9 +174,9 @@
+ }
+ }
+
+- if (sp->_slk != 0) {
++ if (sp->_slk != NULL) {
+
+- if (sp->_slk->ent != 0) {
++ if (sp->_slk->ent != NULL) {
+ int i;
+
+ for (i = 0; i < sp->_slk->labcnt; ++i) {
+@@ -186,14 +186,14 @@
+ free(sp->_slk->ent);
+ }
+ free(sp->_slk);
+- sp->_slk = 0;
++ sp->_slk = NULL;
+ }
+
+ _nc_free_keytry(sp->_keytry);
+- sp->_keytry = 0;
++ sp->_keytry = NULL;
+
+ _nc_free_keytry(sp->_key_ok);
+- sp->_key_ok = 0;
++ sp->_key_ok = NULL;
+
+ FreeIfNeeded(sp->_current_attr);
+
+@@ -232,17 +232,17 @@
+ */
+ if (is_current) {
+ #if !USE_REENTRANT
+- curscr = 0;
+- newscr = 0;
+- stdscr = 0;
++ curscr = NULL;
++ newscr = NULL;
++ stdscr = NULL;
+ COLORS = 0;
+ COLOR_PAIRS = 0;
+ #endif
+- _nc_set_screen(0);
++ _nc_set_screen(NULL);
+ #if USE_WIDEC_SUPPORT
+- if (SP == 0) {
++ if (SP == NULL) {
+ FreeIfNeeded(_nc_wacs);
+- _nc_wacs = 0;
++ _nc_wacs = NULL;
+ }
+ #endif
+ } else {
+@@ -303,7 +303,7 @@
+ }
+ #endif
+
+-#define ReturnScreenError() do { _nc_set_screen(0); \
++#define ReturnScreenError() do { _nc_set_screen(NULL); \
+ returnCode(ERR); } while (0)
+
+ /* OS-independent screen initializations */
+@@ -357,7 +357,7 @@
+ sp->_next_screen = _nc_screen_chain;
+ _nc_screen_chain = sp;
+
+- if ((sp->_current_attr = typeCalloc(NCURSES_CH_T, 1)) == 0) {
++ if ((sp->_current_attr = typeCalloc(NCURSES_CH_T, 1)) == NULL) {
+ ReturnScreenError();
+ }
+ #else
+@@ -437,7 +437,7 @@
+ _setmode(fileno(output), _O_BINARY);
+ #endif
+ sp->out_limit = (size_t) ((2 + slines) * (6 + scolumns));
+- if ((sp->out_buffer = malloc(sp->out_limit)) == 0)
++ if ((sp->out_buffer = malloc(sp->out_limit)) == NULL)
+ sp->out_limit = 0;
+ sp->out_inuse = 0;
+
+@@ -479,7 +479,7 @@
+ * Allow those assumed/default color assumptions to be overridden at
+ * runtime:
+ */
+- if ((env = getenv("NCURSES_ASSUMED_COLORS")) != 0) {
++ if ((env = getenv("NCURSES_ASSUMED_COLORS")) != NULL) {
+ int fg, bg;
+ char sep1, sep2;
+ int count = sscanf(env, "%d%c%d%c", &fg, &sep1, &bg, &sep2);
+@@ -555,7 +555,7 @@
+ * in the environment, reset the support-flag.
+ */
+ if (magic_cookie_glitch >= 0) {
+- if (getenv("NCURSES_NO_MAGIC_COOKIE") != 0) {
++ if (getenv("NCURSES_NO_MAGIC_COOKIE") != NULL) {
+ support_cookies = FALSE;
+ }
+ }
+@@ -633,10 +633,10 @@
+ NCURSES_SP_NAME(_nc_init_acs) (NCURSES_SP_ARG);
+ #if USE_WIDEC_SUPPORT
+ sp->_screen_unicode = _nc_unicode_locale();
+- if (_nc_wacs == 0) {
++ if (_nc_wacs == NULL) {
+ _nc_init_wacs();
+ }
+- if (_nc_wacs == 0) {
++ if (_nc_wacs == NULL) {
+ ReturnScreenError();
+ }
+
+@@ -644,7 +644,7 @@
+ && _nc_locale_breaks_acs(sp->_term));
+ #endif
+ env = _nc_get_locale();
+- sp->_legacy_coding = ((env == 0)
++ sp->_legacy_coding = ((env == NULL)
+ || !strcmp(env, "C")
+ || !strcmp(env, "POSIX"));
+ T(("legacy-coding %d", sp->_legacy_coding));
+@@ -652,19 +652,19 @@
+ sp->_nc_sp_idcok = TRUE;
+ sp->_nc_sp_idlok = FALSE;
+
+- sp->oldhash = 0;
+- sp->newhash = 0;
++ sp->oldhash = NULL;
++ sp->newhash = NULL;
+
+ T(("creating newscr"));
+ NewScreen(sp) = NCURSES_SP_NAME(newwin) (NCURSES_SP_ARGx slines, scolumns,
+ 0, 0);
+- if (NewScreen(sp) == 0) {
++ if (NewScreen(sp) == NULL) {
+ ReturnScreenError();
+ }
+ T(("creating curscr"));
+ CurScreen(sp) = NCURSES_SP_NAME(newwin) (NCURSES_SP_ARGx slines, scolumns,
+ 0, 0);
+- if (CurScreen(sp) == 0) {
++ if (CurScreen(sp) == NULL) {
+ ReturnScreenError();
+ }
+ #if !USE_REENTRANT
+@@ -684,7 +684,7 @@
+ * unless we use the term-driver.
+ */
+ #ifndef USE_TERM_DRIVER
+- if (cur_term != 0 &&
++ if (cur_term != NULL &&
+ !memcmp(&cur_term->Ottyb, &null_TTY, sizeof(TTY)))
+ #endif
+ {
+@@ -750,7 +750,7 @@
+ assert((sp->_lines_avail + sp->_topstolen + bottom_stolen) == slines);
+ if ((StdScreen(sp) = NCURSES_SP_NAME(newwin) (NCURSES_SP_ARGx
+ sp->_lines_avail,
+- scolumns, 0, 0)) == 0) {
++ scolumns, 0, 0)) == NULL) {
+ ReturnScreenError();
+ }
+ SET_LINES(sp->_lines_avail);
+@@ -769,7 +769,7 @@
+ bool filtered,
+ int slk_format)
+ {
+- SCREEN *sp = 0;
++ SCREEN *sp = NULL;
+ int rc = NCURSES_SP_NAME(_nc_setupscreen) (&sp,
+ slines,
+ scolumns,
+@@ -777,7 +777,7 @@
+ filtered,
+ slk_format);
+ if (rc != OK)
+- _nc_set_screen(0);
++ _nc_set_screen(NULL);
+ return rc;
+ }
+ #endif
+@@ -800,13 +800,13 @@
+ TR_FUNC_ARG(0, init)));
+
+ #if NCURSES_SP_FUNCS
+- if (SP_PARM != 0 && SP_PARM->_prescreen)
++ if (SP_PARM != NULL && SP_PARM->_prescreen)
+ #endif
+ {
+ if (line == 0) {
+ code = OK;
+ } else {
+- if (safe_ripoff_sp == 0) {
++ if (safe_ripoff_sp == NULL) {
+ safe_ripoff_sp = safe_ripoff_stack;
+ }
+ if (safe_ripoff_sp < safe_ripoff_stack + N_RIPS) {
+Index: ncurses/base/lib_slk.c
+Prereq: 1.50
+--- ncurses-6.5-20241130+/ncurses/base/lib_slk.c 2022-08-20 18:29:22.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_slk.c 2024-12-07 20:03:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2022 Thomas E. Dickey *
++ * Copyright 2020-2022,2024 Thomas E. Dickey *
+ * Copyright 1998-2010,2011 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -48,7 +48,7 @@
+ #define CUR SP_TERMTYPE
+ #endif
+
+-MODULE_ID("$Id: lib_slk.c,v 1.50 2022/08/20 18:29:22 tom Exp $")
++MODULE_ID("$Id: lib_slk.c,v 1.51 2024/12/07 20:03:37 tom Exp $")
+
+ #ifdef USE_TERM_DRIVER
+ #define NumLabels InfoOf(SP_PARM).numlabels
+@@ -68,7 +68,7 @@
+ static int
+ slk_failed(NCURSES_SP_DCL0)
+ {
+- if ((0 != SP_PARM) && SP_PARM->_slk) {
++ if ((NULL != SP_PARM) && SP_PARM->_slk) {
+ FreeIfNeeded(SP_PARM->_slk->ent);
+ free(SP_PARM->_slk);
+ SP_PARM->_slk = (SLK *) 0;
+@@ -148,7 +148,7 @@
+ assert(stwin);
+
+ sp = _nc_screen_of(stwin);
+- if (0 == sp)
++ if (NULL == sp)
+ returnCode(ERR);
+
+ assert(TerminalOf(SP_PARM));
+@@ -157,7 +157,7 @@
+
+ if (SP_PARM->_slk) { /* we did this already, so simply return */
+ returnCode(OK);
+- } else if ((SP_PARM->_slk = typeCalloc(SLK, 1)) == 0)
++ } else if ((SP_PARM->_slk = typeCalloc(SLK, 1)) == NULL)
+ returnCode(ERR);
+
+ if (!SP_PARM->slk_format)
+@@ -196,13 +196,13 @@
+ for (i = 0; i < SP_PARM->_slk->labcnt; i++) {
+ size_t used = max_length + 1;
+
+- SP_PARM->_slk->ent[i].ent_text = (char *) _nc_doalloc(0, used);
+- if (SP_PARM->_slk->ent[i].ent_text == 0)
++ SP_PARM->_slk->ent[i].ent_text = (char *) _nc_doalloc(NULL, used);
++ if (SP_PARM->_slk->ent[i].ent_text == NULL)
+ returnCode(slk_failed(NCURSES_SP_ARG));
+ memset(SP_PARM->_slk->ent[i].ent_text, 0, used);
+
+- SP_PARM->_slk->ent[i].form_text = (char *) _nc_doalloc(0, used);
+- if (SP_PARM->_slk->ent[i].form_text == 0)
++ SP_PARM->_slk->ent[i].form_text = (char *) _nc_doalloc(NULL, used);
++ if (SP_PARM->_slk->ent[i].form_text == NULL)
+ returnCode(slk_failed(NCURSES_SP_ARG));
+
+ if (used > 1) {
+@@ -235,7 +235,7 @@
+ {
+ T((T_CALLED("slk_restore(%p)"), (void *) SP_PARM));
+
+- if (0 == SP_PARM)
++ if (NULL == SP_PARM)
+ returnCode(ERR);
+ if (SP_PARM->_slk == NULL)
+ returnCode(ERR);
+Index: ncurses/base/lib_slkatr_set.c
+Prereq: 1.17
+--- ncurses-6.5-20241130+/ncurses/base/lib_slkatr_set.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_slkatr_set.c 2024-12-07 20:03:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2014,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -39,7 +39,7 @@
+ */
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_slkatr_set.c,v 1.17 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_slkatr_set.c,v 1.18 2024/12/07 20:03:37 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ NCURSES_SP_NAME(slk_attr_set) (NCURSES_SP_DCLx
+@@ -56,8 +56,8 @@
+ color_pair));
+
+ set_extended_pair(opts, color_pair);
+- if (SP_PARM != 0
+- && SP_PARM->_slk != 0
++ if (SP_PARM != NULL
++ && SP_PARM->_slk != NULL
+ && color_pair >= 0
+ && color_pair < SP_PARM->_pair_limit) {
+ TR(TRACE_ATTRS, ("... current %s", _tracech_t(CHREF(SP_PARM->_slk->attr))));
+Index: ncurses/base/lib_slkatrof.c
+Prereq: 1.12
+--- ncurses-6.5-20241130+/ncurses/base/lib_slkatrof.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_slkatrof.c 2024-12-07 20:03:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2005,2009 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -39,14 +39,14 @@
+ */
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_slkatrof.c,v 1.12 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_slkatrof.c,v 1.13 2024/12/07 20:03:37 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ NCURSES_SP_NAME(slk_attroff) (NCURSES_SP_DCLx const chtype attr)
+ {
+ T((T_CALLED("slk_attroff(%p,%s)"), (void *) SP_PARM, _traceattr(attr)));
+
+- if (SP_PARM != 0 && SP_PARM->_slk != 0) {
++ if (SP_PARM != NULL && SP_PARM->_slk != NULL) {
+ TR(TRACE_ATTRS, ("... current %s", _tracech_t(CHREF(SP_PARM->_slk->attr))));
+ RemAttr(SP_PARM->_slk->attr, attr);
+ if ((attr & A_COLOR) != 0) {
+Index: ncurses/base/lib_slkatron.c
+Prereq: 1.13
+--- ncurses-6.5-20241130+/ncurses/base/lib_slkatron.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_slkatron.c 2024-12-07 20:03:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2009,2010 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -39,14 +39,14 @@
+ */
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_slkatron.c,v 1.13 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_slkatron.c,v 1.14 2024/12/07 20:03:37 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ NCURSES_SP_NAME(slk_attron) (NCURSES_SP_DCLx const chtype attr)
+ {
+ T((T_CALLED("slk_attron(%p,%s)"), (void *) SP_PARM, _traceattr(attr)));
+
+- if (SP_PARM != 0 && SP_PARM->_slk != 0) {
++ if (SP_PARM != NULL && SP_PARM->_slk != NULL) {
+ TR(TRACE_ATTRS, ("... current %s", _tracech_t(CHREF(SP_PARM->_slk->attr))));
+ AddAttr(SP_PARM->_slk->attr, attr);
+ if ((attr & A_COLOR) != 0) {
+Index: ncurses/base/lib_slkatrset.c
+Prereq: 1.11
+--- ncurses-6.5-20241130+/ncurses/base/lib_slkatrset.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_slkatrset.c 2024-12-07 20:03:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2005,2009 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -39,14 +39,14 @@
+ */
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_slkatrset.c,v 1.11 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_slkatrset.c,v 1.12 2024/12/07 20:03:37 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ NCURSES_SP_NAME(slk_attrset) (NCURSES_SP_DCLx const chtype attr)
+ {
+ T((T_CALLED("slk_attrset(%p,%s)"), (void *) SP_PARM, _traceattr(attr)));
+
+- if (SP_PARM != 0 && SP_PARM->_slk != 0) {
++ if (SP_PARM != NULL && SP_PARM->_slk != NULL) {
+ SetAttr(SP_PARM->_slk->attr, attr);
+ returnCode(OK);
+ } else
+Index: ncurses/base/lib_slkattr.c
+Prereq: 1.12
+--- ncurses-6.5-20241130+/ncurses/base/lib_slkattr.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_slkattr.c 2024-12-07 20:03:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2009,2010 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -39,14 +39,14 @@
+ */
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_slkattr.c,v 1.12 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_slkattr.c,v 1.13 2024/12/07 20:03:37 tom Exp $")
+
+ NCURSES_EXPORT(attr_t)
+ NCURSES_SP_NAME(slk_attr) (NCURSES_SP_DCL0)
+ {
+ T((T_CALLED("slk_attr(%p)"), (void *) SP_PARM));
+
+- if (SP_PARM != 0 && SP_PARM->_slk != 0) {
++ if (SP_PARM != NULL && SP_PARM->_slk != NULL) {
+ attr_t result = AttrOf(SP_PARM->_slk->attr) & ALL_BUT_COLOR;
+ int pair = GetPair(SP_PARM->_slk->attr);
+
+Index: ncurses/base/lib_slkclear.c
+Prereq: 1.15
+--- ncurses-6.5-20241130+/ncurses/base/lib_slkclear.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_slkclear.c 2024-12-07 20:03:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2007,2009 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -41,7 +41,7 @@
+ */
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_slkclear.c,v 1.15 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_slkclear.c,v 1.16 2024/12/07 20:03:37 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ NCURSES_SP_NAME(slk_clear) (NCURSES_SP_DCL0)
+@@ -50,7 +50,7 @@
+
+ T((T_CALLED("slk_clear(%p)"), (void *) SP_PARM));
+
+- if (SP_PARM != 0 && SP_PARM->_slk != 0) {
++ if (SP_PARM != NULL && SP_PARM->_slk != NULL) {
+ SP_PARM->_slk->hidden = TRUE;
+ /* For simulated SLK's it looks much more natural to
+ inherit those attributes from the standard screen */
+Index: ncurses/base/lib_slkcolor.c
+Prereq: 1.20
+--- ncurses-6.5-20241130+/ncurses/base/lib_slkcolor.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_slkcolor.c 2024-12-07 20:03:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2018,2020 Thomas E. Dickey *
++ * Copyright 2018-2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2014,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -39,7 +39,7 @@
+ */
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_slkcolor.c,v 1.20 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_slkcolor.c,v 1.21 2024/12/07 20:03:37 tom Exp $")
+
+ static int
+ _nc_slk_color(SCREEN *sp, int pair_arg)
+@@ -48,8 +48,8 @@
+
+ T((T_CALLED("slk_color(%p,%d)"), (void *) sp, pair_arg));
+
+- if (sp != 0
+- && sp->_slk != 0
++ if (sp != NULL
++ && sp->_slk != NULL
+ && pair_arg >= 0
+ && pair_arg < sp->_pair_limit) {
+ TR(TRACE_ATTRS, ("... current is %s", _tracech_t(CHREF(sp->_slk->attr))));
+Index: ncurses/base/lib_slklab.c
+Prereq: 1.11
+--- ncurses-6.5-20241130+/ncurses/base/lib_slklab.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_slklab.c 2024-12-07 20:03:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2003,2009 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -41,15 +41,15 @@
+ */
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_slklab.c,v 1.11 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_slklab.c,v 1.12 2024/12/07 20:03:37 tom Exp $")
+
+ NCURSES_EXPORT(char *)
+ NCURSES_SP_NAME(slk_label) (NCURSES_SP_DCLx int n)
+ {
+ T((T_CALLED("slk_label(%p,%d)"), (void *) SP_PARM, n));
+
+- if (SP_PARM == 0 || SP_PARM->_slk == 0 || n < 1 || n > SP_PARM->_slk->labcnt)
+- returnPtr(0);
++ if (SP_PARM == NULL || SP_PARM->_slk == NULL || n < 1 || n > SP_PARM->_slk->labcnt)
++ returnPtr(NULL);
+ returnPtr(SP_PARM->_slk->ent[n - 1].ent_text);
+ }
+
+Index: ncurses/base/lib_slkrefr.c
+Prereq: 1.33
+--- ncurses-6.5-20241130+/ncurses/base/lib_slkrefr.c 2024-07-27 19:23:59.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_slkrefr.c 2024-12-07 17:58:16.000000000 +0000
+@@ -44,7 +44,7 @@
+ #define CUR SP_TERMTYPE
+ #endif
+
+-MODULE_ID("$Id: lib_slkrefr.c,v 1.33 2024/07/27 19:23:59 tom Exp $")
++MODULE_ID("$Id: lib_slkrefr.c,v 1.34 2024/12/07 17:58:16 tom Exp $")
+
+ #ifdef USE_TERM_DRIVER
+ #define NumLabels InfoOf(SP_PARM).numlabels
+@@ -83,7 +83,7 @@
+ SLK *slk;
+ int numlab;
+
+- if (sp == 0)
++ if (sp == NULL)
+ return;
+
+ slk = sp->_slk;
+@@ -145,7 +145,7 @@
+ {
+ T((T_CALLED("slk_noutrefresh(%p)"), (void *) SP_PARM));
+
+- if (SP_PARM == 0 || SP_PARM->_slk == 0)
++ if (SP_PARM == NULL || SP_PARM->_slk == NULL)
+ returnCode(ERR);
+ if (SP_PARM->_slk->hidden)
+ returnCode(OK);
+@@ -170,7 +170,7 @@
+ {
+ T((T_CALLED("slk_refresh(%p)"), (void *) SP_PARM));
+
+- if (SP_PARM == 0 || SP_PARM->_slk == 0)
++ if (SP_PARM == NULL || SP_PARM->_slk == NULL)
+ returnCode(ERR);
+ if (SP_PARM->_slk->hidden)
+ returnCode(OK);
+Index: ncurses/base/lib_slkset.c
+Prereq: 1.26
+--- ncurses-6.5-20241130+/ncurses/base/lib_slkset.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_slkset.c 2024-12-07 20:03:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2019,2020 Thomas E. Dickey *
++ * Copyright 2019-2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2011,2012 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -45,7 +45,7 @@
+ #endif
+ #endif
+
+-MODULE_ID("$Id: lib_slkset.c,v 1.26 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_slkset.c,v 1.27 2024/12/07 20:03:37 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ NCURSES_SP_NAME(slk_set) (NCURSES_SP_DCLx int i, const char *astr, int format)
+@@ -60,14 +60,14 @@
+
+ T((T_CALLED("slk_set(%p, %d, \"%s\", %d)"), (void *) SP_PARM, i, str, format));
+
+- if (SP_PARM == 0
+- || (slk = SP_PARM->_slk) == 0
++ if (SP_PARM == NULL
++ || (slk = SP_PARM->_slk) == NULL
+ || i < 1
+ || i > slk->labcnt
+ || format < 0
+ || format > 2)
+ returnCode(ERR);
+- if (str == 0)
++ if (str == NULL)
+ str = "";
+ --i; /* Adjust numbering of labels */
+
+@@ -84,7 +84,7 @@
+ size_t need;
+
+ init_mb(state);
+- need = mbrtowc(0, p, strlen(p), &state);
++ need = mbrtowc(NULL, p, strlen(p), &state);
+ if (need == (size_t) -1)
+ break;
+ mbrtowc(&wc, p, need, &state);
+@@ -107,14 +107,14 @@
+ #endif
+
+ FreeIfNeeded(slk->ent[i].ent_text);
+- if ((slk->ent[i].ent_text = strdup(str)) == 0)
++ if ((slk->ent[i].ent_text = strdup(str)) == NULL)
+ returnCode(ERR);
+ slk->ent[i].ent_text[numchrs] = '\0';
+
+ if ((slk->ent[i].form_text = (char *) _nc_doalloc(slk->ent[i].form_text,
+ (size_t) (limit +
+ numchrs + 1))
+- ) == 0)
++ ) == NULL)
+ returnCode(ERR);
+
+ switch (format) {
+Index: ncurses/base/lib_slktouch.c
+Prereq: 1.9
+--- ncurses-6.5-20241130+/ncurses/base/lib_slktouch.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_slktouch.c 2024-12-07 20:03:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2000,2009 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -39,14 +39,14 @@
+ */
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_slktouch.c,v 1.9 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_slktouch.c,v 1.10 2024/12/07 20:03:37 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ NCURSES_SP_NAME(slk_touch) (NCURSES_SP_DCL0)
+ {
+ T((T_CALLED("slk_touch(%p)"), (void *) SP_PARM));
+
+- if (SP_PARM == 0 || SP_PARM->_slk == 0)
++ if (SP_PARM == NULL || SP_PARM->_slk == NULL)
+ returnCode(ERR);
+ SP_PARM->_slk->dirty = TRUE;
+
+Index: ncurses/base/lib_ungetch.c
+Prereq: 1.17
+--- ncurses-6.5-20241130+/ncurses/base/lib_ungetch.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_ungetch.c 2024-12-07 20:03:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2011,2012 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -43,7 +43,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_ungetch.c,v 1.17 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_ungetch.c,v 1.18 2024/12/07 20:03:37 tom Exp $")
+
+ #include <fifo_defs.h>
+
+@@ -65,7 +65,7 @@
+
+ T((T_CALLED("ungetch(%p,%s)"), (void *) sp, _nc_tracechar(sp, ch)));
+
+- if (sp != 0 && tail >= 0) {
++ if (sp != NULL && tail >= 0) {
+ if (head < 0) {
+ head = 0;
+ t_inc();
+Index: ncurses/base/lib_wattron.c
+Prereq: 1.13
+--- ncurses-6.5-20241130+/ncurses/base/lib_wattron.c 2022-04-15 22:34:38.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_wattron.c 2024-12-07 20:03:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2022 Thomas E. Dickey *
++ * Copyright 2020-2022,2024 Thomas E. Dickey *
+ * Copyright 1998-2009,2010 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -43,13 +43,13 @@
+ #include <curses.priv.h>
+ #include <ctype.h>
+
+-MODULE_ID("$Id: lib_wattron.c,v 1.13 2022/04/15 22:34:38 tom Exp $")
++MODULE_ID("$Id: lib_wattron.c,v 1.14 2024/12/07 20:03:37 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ wattr_on(WINDOW *win, attr_t at, void *opts GCC_UNUSED)
+ {
+ T((T_CALLED("wattr_on(%p,%s)"), (void *) win, _traceattr(at)));
+- if (win != 0) {
++ if (win != NULL) {
+ T(("... current %s (%d)",
+ _traceattr(WINDOW_ATTRS(win)),
+ GET_WINDOW_PAIR(win)));
+Index: ncurses/base/lib_winch.c
+Prereq: 1.9
+--- ncurses-6.5-20241130+/ncurses/base/lib_winch.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_winch.c 2024-12-07 20:03:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2009,2010 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -40,13 +40,13 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_winch.c,v 1.9 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_winch.c,v 1.10 2024/12/07 20:03:37 tom Exp $")
+
+ NCURSES_EXPORT(chtype)
+ winch(WINDOW *win)
+ {
+ T((T_CALLED("winch(%p)"), (void *) win));
+- if (win != 0) {
++ if (win != NULL) {
+ returnChtype((chtype) CharOf(win->_line[win->_cury].text[win->_curx])
+ | AttrOf(win->_line[win->_cury].text[win->_curx]));
+ } else {
+Index: ncurses/base/lib_window.c
+Prereq: 1.32
+--- ncurses-6.5-20241130+/ncurses/base/lib_window.c 2021-10-23 23:06:24.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/lib_window.c 2024-12-07 20:03:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2021 Thomas E. Dickey *
++ * Copyright 2020-2021,2024 Thomas E. Dickey *
+ * Copyright 1998-2010,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -40,7 +40,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_window.c,v 1.32 2021/10/23 23:06:24 tom Exp $")
++MODULE_ID("$Id: lib_window.c,v 1.33 2024/12/07 20:03:37 tom Exp $")
+
+ NCURSES_EXPORT(void)
+ _nc_synchook(WINDOW *win)
+@@ -61,8 +61,8 @@
+
+ T((T_CALLED("mvderwin(%p,%d,%d)"), (void *) win, y, x));
+
+- if (win != 0
+- && (orig = win->_parent) != 0
++ if (win != NULL
++ && (orig = win->_parent) != NULL
+ && (x >= 0 && y >= 0)
+ && (x + getmaxx(win) <= getmaxx(orig))
+ && (y + getmaxy(win) <= getmaxy(orig))) {
+@@ -178,11 +178,11 @@
+ dupwin(WINDOW *win)
+ /* make an exact duplicate of the given window */
+ {
+- WINDOW *nwin = 0;
++ WINDOW *nwin = NULL;
+
+ T((T_CALLED("dupwin(%p)"), (void *) win));
+
+- if (win != 0) {
++ if (win != NULL) {
+ #if NCURSES_SP_FUNCS
+ SCREEN *sp = _nc_screen_of(win);
+ #endif
+@@ -199,7 +199,7 @@
+ win->_begx);
+ }
+
+- if (nwin != 0) {
++ if (nwin != NULL) {
+ int i;
+ size_t linesize;
+
+Index: ncurses/base/nc_panel.c
+Prereq: 1.6
+--- ncurses-6.5-20241130+/ncurses/base/nc_panel.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/nc_panel.c 2024-12-07 20:03:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2000,2009 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -33,7 +33,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: nc_panel.c,v 1.6 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: nc_panel.c,v 1.7 2024/12/07 20:03:37 tom Exp $")
+
+ NCURSES_EXPORT(struct panelhook *)
+ NCURSES_SP_NAME(_nc_panelhook) (NCURSES_SP_DCL0)
+@@ -42,7 +42,7 @@
+ ? &(SP_PARM->_panelHook)
+ : (CURRENT_SCREEN
+ ? &(CURRENT_SCREEN->_panelHook)
+- : 0));
++ : NULL));
+ }
+
+ #if NCURSES_SP_FUNCS
+Index: ncurses/base/new_pair.c
+Prereq: 1.25
+--- ncurses-6.5-20241130+/ncurses/base/new_pair.c 2024-10-05 20:51:29.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/new_pair.c 2024-12-07 18:05:04.000000000 +0000
+@@ -61,7 +61,7 @@
+
+ #endif
+
+-MODULE_ID("$Id: new_pair.c,v 1.25 2024/10/05 20:51:29 tom Exp $")
++MODULE_ID("$Id: new_pair.c,v 1.26 2024/12/07 18:05:04 tom Exp $")
+
+ #if NCURSES_EXT_COLORS
+
+@@ -148,9 +148,9 @@
+
+ find.fg = fg;
+ find.bg = bg;
+- if (sp != 0) {
++ if (sp != NULL) {
+ void *pp;
+- if ((pp = tfind(&find, &sp->_ordered_pairs, compare_data)) != 0) {
++ if ((pp = tfind(&find, &sp->_ordered_pairs, compare_data)) != NULL) {
+ const colorpair_t *temp = *(colorpair_t **) pp;
+ result = (int) (temp - sp->_color_pairs);
+ }
+@@ -253,7 +253,7 @@
+ int n;
+ for (n = 0; n < length; ++n) {
+ const void *find = tfind(source + n, &sp->_ordered_pairs, compare_data);
+- if (find != 0) {
++ if (find != NULL) {
+ tdelete(source + n, &sp->_ordered_pairs, compare_data);
+ tsearch(target + n, &sp->_ordered_pairs, compare_data);
+ }
+@@ -266,7 +266,7 @@
+ int pair;
+
+ T((T_CALLED("alloc_pair(%d,%d)"), fg, bg));
+- if (SP_PARM == 0) {
++ if (SP_PARM == NULL) {
+ pair = -1;
+ } else if ((pair = _nc_find_color_pair(SP_PARM, fg, bg)) < 0) {
+ /*
+@@ -291,7 +291,7 @@
+ if (!found && (SP_PARM->_pair_alloc < SP_PARM->_pair_limit)) {
+ pair = SP_PARM->_pair_alloc;
+ ReservePairs(SP_PARM, pair);
+- if (SP_PARM->_color_pairs == 0) {
++ if (SP_PARM->_color_pairs == NULL) {
+ pair = -1;
+ } else {
+ found = TRUE;
+Index: ncurses/base/resizeterm.c
+Prereq: 1.57
+--- ncurses-6.5-20241130+/ncurses/base/resizeterm.c 2024-11-23 18:35:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/resizeterm.c 2024-12-07 18:05:04.000000000 +0000
+@@ -46,7 +46,7 @@
+ #define CUR SP_TERMTYPE
+ #endif
+
+-MODULE_ID("$Id: resizeterm.c,v 1.57 2024/11/23 18:35:34 tom Exp $")
++MODULE_ID("$Id: resizeterm.c,v 1.58 2024/12/07 18:05:04 tom Exp $")
+
+ /*
+ * If we're trying to be reentrant, do not want any local statics.
+@@ -123,10 +123,10 @@
+ static ripoff_t *
+ ripped_window(WINDOW *win)
+ {
+- ripoff_t *result = 0;
++ ripoff_t *result = NULL;
+ ripoff_t *rop;
+
+- if (win != 0) {
++ if (win != NULL) {
+ #ifdef USE_SP_RIPOFF
+ SCREEN *sp = _nc_screen_of(win);
+ #endif
+@@ -149,7 +149,7 @@
+ {
+ int result = 0;
+
+- if (win != 0) {
++ if (win != NULL) {
+ ripoff_t *rop;
+
+ #ifdef USE_SP_RIPOFF
+@@ -175,7 +175,7 @@
+ {
+ int depth = 0;
+
+- if (cmp != 0) {
++ if (cmp != NULL) {
+ #ifdef USE_SP_WINDOWLIST
+ SCREEN *sp = _nc_screen_of(cmp);
+ #endif
+@@ -200,9 +200,9 @@
+ {
+ int depth = 0;
+
+- if (cmp != 0) {
++ if (cmp != NULL) {
+ WINDOW *tst;
+- while ((tst = cmp->_parent) != 0) {
++ while ((tst = cmp->_parent) != NULL) {
+ ++depth;
+ cmp = tst;
+ }
+@@ -224,13 +224,13 @@
+
+ T((T_CALLED("adjust_window(%p,%d,%d)%s depth %d/%d currently %ldx%ld at %ld,%ld"),
+ (void *) win, ToLines, ToCols,
+- (rop != 0) ? " (rip)" : "",
++ (rop != NULL) ? " (rip)" : "",
+ parent_depth(win),
+ child_depth(win),
+ (long) getmaxy(win), (long) getmaxx(win),
+ (long) getbegy(win) + win->_yoffset, (long) getbegx(win)));
+
+- if (rop != 0 && rop->line < 0) {
++ if (rop != NULL && rop->line < 0) {
+ /*
+ * If it is a ripped-off window at the bottom of the screen, simply
+ * move it to the same relative position.
+@@ -484,8 +484,8 @@
+ if (NCURSES_SP_NAME(is_term_resized) (NCURSES_SP_ARGx ToLines, ToCols)) {
+ #if USE_SIGWINCH
+ ripoff_t *rop;
+- bool slk_visible = (SP_PARM != 0
+- && SP_PARM->_slk != 0
++ bool slk_visible = (SP_PARM != NULL
++ && SP_PARM->_slk != NULL
+ && !(SP_PARM->_slk->hidden));
+
+ if (slk_visible) {
+@@ -506,7 +506,7 @@
+ */
+ for (each_ripoff(rop)) {
+ if (rop->win != StdScreen(SP_PARM)
+- && rop->win != 0
++ && rop->win != NULL
+ && rop->line < 0) {
+
+ if (rop->hook != _nc_slk_initialize) {
+Index: ncurses/base/tries.c
+Prereq: 1.32
+--- ncurses-6.5-20241130+/ncurses/base/tries.c 2023-06-24 15:36:23.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/tries.c 2024-12-07 21:24:18.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2023 Thomas E. Dickey *
++ * Copyright 2020-2023,2024 Thomas E. Dickey *
+ * Copyright 1998-2009,2010 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -41,7 +41,7 @@
+ #include <curses.priv.h>
+ #include <tic.h>
+
+-MODULE_ID("$Id: tries.c,v 1.32 2023/06/24 15:36:23 tom Exp $")
++MODULE_ID("$Id: tries.c,v 1.33 2024/12/07 21:24:18 tom Exp $")
+
+ /*
+ * Expand a keycode into the string that it corresponds to, returning null if
+@@ -51,12 +51,12 @@
+ _nc_expand_try(TRIES * tree, unsigned code, int *count, size_t len)
+ {
+ TRIES *ptr = tree;
+- char *result = 0;
++ char *result = NULL;
+
+ if (code != 0) {
+- while (ptr != 0) {
++ while (ptr != NULL) {
+ if ((result = _nc_expand_try(ptr->child, code, count, len + 1))
+- != 0) {
++ != NULL) {
+ break;
+ }
+ if (ptr->value == code) {
+@@ -69,8 +69,8 @@
+ ptr = ptr->sibling;
+ }
+ }
+- if (result != 0) {
+- if (ptr != 0 && (result[len] = (char) ptr->ch) == 0)
++ if (result != NULL) {
++ if (ptr != NULL && (result[len] = (char) ptr->ch) == 0)
+ *((unsigned char *) (result + len)) = 128;
+ #ifdef TRACE
+ if (len == 0 && USE_TRACEF(TRACE_MAXIMUM)) {
+@@ -96,7 +96,7 @@
+ if (code == 0)
+ returnCode(FALSE);
+
+- while (*tree != 0) {
++ while (*tree != NULL) {
+ if (_nc_remove_key(&(*tree)->child, code)) {
+ returnCode(TRUE);
+ }
+@@ -128,11 +128,11 @@
+ if (!VALID_STRING(string) || *string == 0)
+ returnCode(FALSE);
+
+- while (*tree != 0) {
++ while (*tree != NULL) {
+ if (UChar((*tree)->ch) == UChar(*string)) {
+ if (string[1] != 0)
+ returnCode(_nc_remove_string(&(*tree)->child, string + 1));
+- if ((*tree)->child == 0) {
++ if ((*tree)->child == NULL) {
+ TRIES *to_free = *tree;
+ *tree = (*tree)->sibling;
+ free(to_free);
+Index: ncurses/base/wresize.c
+Prereq: 1.44
+--- ncurses-6.5-20241130+/ncurses/base/wresize.c 2024-09-28 15:56:07.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/base/wresize.c 2024-12-07 18:08:56.000000000 +0000
+@@ -34,7 +34,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: wresize.c,v 1.44 2024/09/28 15:56:07 tom Exp $")
++MODULE_ID("$Id: wresize.c,v 1.45 2024/12/07 18:08:56 tom Exp $")
+
+ static int
+ cleanup_lines(struct ldat *data, int length)
+@@ -109,7 +109,7 @@
+ {
+ int col, row, size_x, size_y;
+ struct ldat *pline;
+- struct ldat *new_lines = 0;
++ struct ldat *new_lines = NULL;
+
+ #ifdef TRACE
+ T((T_CALLED("wresize(%p,%d,%d)"), (void *) win, ToLines, ToCols));
+@@ -149,7 +149,7 @@
+ }
+ pline = win->_parent->_line;
+ } else {
+- pline = 0;
++ pline = NULL;
+ }
+
+ /*
+@@ -158,7 +158,7 @@
+ * (at least temporarily) the array pointing to the individual lines.
+ */
+ new_lines = typeCalloc(struct ldat, (unsigned) (ToLines + 1));
+- if (new_lines == 0)
++ if (new_lines == NULL)
+ returnCode(ERR);
+
+ /*
+@@ -175,7 +175,7 @@
+ if (row <= size_y) {
+ if (ToCols != size_x) {
+ s = typeMalloc(NCURSES_CH_T, (unsigned) ToCols + 1);
+- if (s == 0)
++ if (s == NULL)
+ returnCode(cleanup_lines(new_lines, row));
+ for (col = 0; col <= ToCols; ++col) {
+ bool valid = (col <= size_x);
+@@ -195,15 +195,15 @@
+ }
+ } else {
+ s = typeMalloc(NCURSES_CH_T, (unsigned) ToCols + 1);
+- if (s == 0)
++ if (s == NULL)
+ returnCode(cleanup_lines(new_lines, row));
+ for (col = 0; col <= ToCols; ++col)
+ s[col] = win->_nc_bkgd;
+ }
+- } else if (pline != 0 && pline[win->_pary + row].text != 0) {
++ } else if (pline != NULL && pline[win->_pary + row].text != NULL) {
+ s = &pline[win->_pary + row].text[win->_parx];
+ } else {
+- s = 0;
++ s = NULL;
+ }
+
+ if_USE_SCROLL_HINTS(new_lines[row].oldindex = row);
+Index: ncurses/curses.priv.h
+Prereq: 1.696
+--- ncurses-6.5-20241130+/ncurses/curses.priv.h 2024-11-30 21:32:44.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/curses.priv.h 2024-12-07 18:27:10.000000000 +0000
+@@ -35,7 +35,7 @@
+ ****************************************************************************/
+
+ /*
+- * $Id: curses.priv.h,v 1.696 2024/11/30 21:32:44 tom Exp $
++ * $Id: curses.priv.h,v 1.697 2024/12/07 18:27:10 tom Exp $
+ *
+ * curses.priv.h
+ *
+@@ -445,8 +445,8 @@
+ #include <term.priv.h>
+ #include <nc_termios.h>
+
+-#define IsPreScreen(sp) (((sp) != 0) && sp->_prescreen)
+-#define HasTerminal(sp) (((sp) != 0) && (0 != ((sp)->_term)))
++#define IsPreScreen(sp) (((sp) != NULL) && sp->_prescreen)
++#define HasTerminal(sp) (((sp) != NULL) && (NULL != ((sp)->_term)))
+ #define IsValidScreen(sp) (HasTerminal(sp) && !IsPreScreen(sp))
+
+ #if USE_REENTRANT
+@@ -1291,7 +1291,7 @@
+ #define WINDOW_EXT(w,m) (((WINDOWLIST *)((void *)((char *)(w) - offsetof(WINDOWLIST, win))))->m)
+
+ #ifdef USE_SP_WINDOWLIST
+-#define SP_INIT_WINDOWLIST(sp) WindowList(sp) = 0
++#define SP_INIT_WINDOWLIST(sp) WindowList(sp) = NULL
+ #else
+ #define SP_INIT_WINDOWLIST(sp) /* nothing */
+ #endif
+@@ -1308,7 +1308,7 @@
+ sp->_cursor = -1; \
+ SP_INIT_WINDOWLIST(sp); \
+ sp->_outch = NCURSES_OUTC_FUNC; \
+- sp->jump = 0 \
++ sp->jump = NULL \
+
+ /* usually in <limits.h> */
+ #ifndef UCHAR_MAX
+@@ -1546,7 +1546,7 @@
+ #define CHANGED -1
+
+ #define LEGALYX(w, y, x) \
+- ((w) != 0 && \
++ ((w) != NULL && \
+ ((x) >= 0 && (x) <= (w)->_maxx && \
+ (y) >= 0 && (y) <= (w)->_maxy))
+
+@@ -1579,12 +1579,12 @@
+ #include <nc_alloc.h>
+ #include <nc_access.h>
+
+-#define FreeIfNeeded(p) if ((p) != 0) free(p)
++#define FreeIfNeeded(p) if ((p) != NULL) free(p)
+
+ /* FreeAndNull() is not a comma-separated expression because some compilers
+ * do not accept a mixture of void with values.
+ */
+-#define FreeAndNull(p) do { free(p); p = 0; } while (0)
++#define FreeAndNull(p) do { free(p); p = NULL; } while (0)
+
+ #ifdef EXP_OOM_TESTING
+ extern NCURSES_EXPORT(void *) _nc_oom_malloc(size_t size);
+@@ -1606,21 +1606,21 @@
+ #define TYPE_MALLOC(type, size, name) \
+ do { \
+ name = typeMalloc(type, size); \
+- if (name == 0) \
++ if (name == NULL) \
+ _nc_err_abort(MSG_NO_MEMORY); \
+ } while (0)
+
+ #define TYPE_CALLOC(type, size, name) \
+ do { \
+ name = typeCalloc(type, size); \
+- if (name == 0) \
++ if (name == NULL) \
+ _nc_err_abort(MSG_NO_MEMORY); \
+ } while (0)
+
+ #define TYPE_REALLOC(type, size, name) \
+ do { \
+ name = typeRealloc(type, size, name); \
+- if (name == 0) \
++ if (name == NULL) \
+ _nc_err_abort(MSG_NO_MEMORY); \
+ } while (0)
+
+@@ -1652,8 +1652,8 @@
+ /*
+ * Standardize/simplify common loops
+ */
+-#define each_screen(p) p = _nc_screen_chain; p != 0; p = (p)->_next_screen
+-#define each_window(sp,p) p = WindowList(sp); p != 0; p = (p)->next
++#define each_screen(p) p = _nc_screen_chain; p != NULL; p = (p)->_next_screen
++#define each_window(sp,p) p = WindowList(sp); p != NULL; p = (p)->next
+ #define each_ripoff(p) p = safe_ripoff_stack; (p - safe_ripoff_stack) < N_RIPS; ++p
+
+ /*
+@@ -1665,8 +1665,8 @@
+ #define T_CREATE(fmt) "create :" fmt
+ #define T_RETURN(fmt) "return }" fmt
+
+-#define NonNull(s) ((s) != 0 ? s : "<null>")
+-#define NonEmpty(s) ((s) != 0 && *(s) != '\0')
++#define NonNull(s) ((s) != NULL ? s : "<null>")
++#define NonEmpty(s) ((s) != NULL && *(s) != '\0')
+
+ #ifdef TRACE
+
+@@ -1858,18 +1858,18 @@
+ TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));}
+
+ #define DelCharCost(sp,count) \
+- ((parm_dch != 0) \
++ ((parm_dch != NULL) \
+ ? sp->_dch_cost \
+- : ((delete_character != 0) \
++ : ((delete_character != NULL) \
+ ? (sp->_dch1_cost * count) \
+ : INFINITY))
+
+ #define InsCharCost(sp,count) \
+- ((parm_ich != 0) \
++ ((parm_ich != NULL) \
+ ? sp->_ich_cost \
+ : ((enter_insert_mode && exit_insert_mode) \
+ ? sp->_smir_cost + sp->_rmir_cost + (sp->_ip_cost * count) \
+- : ((insert_character != 0) \
++ : ((insert_character != NULL) \
+ ? ((sp->_ich1_cost + sp->_ip_cost) * count) \
+ : INFINITY)))
+
+@@ -1956,7 +1956,7 @@
+ #endif
+
+ #define save_ttytype(termp) \
+- if (TerminalType(termp).term_names != 0) { \
++ if (TerminalType(termp).term_names != NULL) { \
+ _nc_STRNCPY(ttytype, \
+ TerminalType(termp).term_names, \
+ NAMESIZE - 1); \
+@@ -2034,7 +2034,7 @@
+ extern NCURSES_EXPORT(void) _nc_change_pair(SCREEN *, int);
+
+ #define ReservePairs(sp,want) \
+- if ((sp->_color_pairs == 0) || (want >= sp->_pair_alloc)) \
++ if ((sp->_color_pairs == NULL) || (want >= sp->_pair_alloc)) \
+ _nc_reserve_pairs(sp, want)
+
+ /* lib_getch.c */
+@@ -2077,7 +2077,7 @@
+ extern NCURSES_EXPORT(void) _nc_forget_prescr(void);
+ #else
+ #define _nc_find_prescr() _nc_prescreen.allocated
+-#define _nc_forget_prescr() _nc_prescreen.allocated = 0
++#define _nc_forget_prescr() _nc_prescreen.allocated = NULL
+ #endif
+
+ /* lib_set_term.c */
+@@ -2311,7 +2311,7 @@
+
+ #define USE_SETBUF_0 0
+
+-#define NC_OUTPUT(sp) ((sp != 0 && sp->_ofp != 0) ? sp->_ofp : stdout)
++#define NC_OUTPUT(sp) ((sp != NULL && sp->_ofp != NULL) ? sp->_ofp : stdout)
+
+ /*
+ * On systems with a broken linker, define 'SP' as a function to force the
+@@ -2385,7 +2385,7 @@
+ #define SetSafeOutcWrapper(outc) \
+ SCREEN* sp = CURRENT_SCREEN; \
+ struct screen outc_wrapper; \
+- if (sp==0) { \
++ if (sp == NULL) { \
+ sp = &outc_wrapper; \
+ memset(sp,0,sizeof(struct screen)); \
+ sp->_outch = _nc_outc_wrapper; \
+@@ -2579,7 +2579,7 @@
+ # endif
+ #else
+ # define IsTermInfo(sp) TRUE
+-# define HasTInfoTerminal(sp) (0 != TerminalOf(sp))
++# define HasTInfoTerminal(sp) (NULL != TerminalOf(sp))
+ # if defined(EXP_WIN32_DRIVER)
+ # define IsTermInfoOnConsole(sp) _nc_console_test(TerminalOf(sp)->Filedes)
+ # else
+Index: ncurses/new_pair.h
+Prereq: 1.15
+--- ncurses-6.5-20241130+/ncurses/new_pair.h 2024-10-05 20:57:47.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/new_pair.h 2024-12-07 17:27:35.000000000 +0000
+@@ -34,7 +34,7 @@
+ /*
+ * Common type definitions and macros for new_pair.c, lib_color.c
+ *
+- * $Id: new_pair.h,v 1.15 2024/10/05 20:57:47 tom Exp $
++ * $Id: new_pair.h,v 1.16 2024/12/07 17:27:35 tom Exp $
+ */
+
+ #ifndef NEW_PAIR_H
+@@ -111,7 +111,7 @@
+ * that the index is within the limits of the table which we allocated.
+ */
+ #define ValidPair(sp,pair) \
+- ((sp != 0) && (pair >= 0) && (pair < sp->_pair_limit) && sp->_coloron)
++ ((sp != NULL) && (pair >= 0) && (pair < sp->_pair_limit) && sp->_coloron)
+
+ #if NCURSES_EXT_FUNCS && NCURSES_EXT_COLORS
+ extern NCURSES_EXPORT(void) _nc_copy_pairs(SCREEN*, colorpair_t*, colorpair_t*, int);
+Index: ncurses/report_offsets.c
+Prereq: 1.29
+--- ncurses-6.5-20241130+/ncurses/report_offsets.c 2024-05-25 23:00:26.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/report_offsets.c 2024-12-07 21:18:23.000000000 +0000
+@@ -34,10 +34,10 @@
+ #define NEW_PAIR_INTERNAL 1
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: report_offsets.c,v 1.29 2024/05/25 23:00:26 tom Exp $")
++MODULE_ID("$Id: report_offsets.c,v 1.30 2024/12/07 21:18:23 tom Exp $")
+
+ #define show_size(type) \
+- flag = 0; \
++ flag = NULL; \
+ last = 0; \
+ printf("%5lu " #type "\n", (unsigned long)sizeof(type))
+ #define show_name(name) \
+@@ -48,7 +48,7 @@
+ printf("?? incorrect order for " #type "." #member "\n"); \
+ printf("%5lu %c " #type "." #member "\n", next, flag ? *flag : ' '); \
+ last = next; \
+- flag = 0
++ flag = NULL
+
+ #if NCURSES_WIDECHAR && NCURSES_EXT_COLORS
+ #define show_COLORS(type,member) { flag = "c"; show_offset(type,member); }
+@@ -104,7 +104,7 @@
+ int
+ main(void)
+ {
+- const char *flag = 0;
++ const char *flag = NULL;
+ unsigned long last, next;
+
+ printf("Size/offsets of data structures:\n");
+Index: ncurses/tinfo/MKcaptab.awk
+Prereq: 1.21
+--- ncurses-6.5-20241130+/ncurses/tinfo/MKcaptab.awk 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/MKcaptab.awk 2024-12-07 20:52:55.000000000 +0000
+@@ -1,5 +1,5 @@
+ ##############################################################################
+-# Copyright 2020 Thomas E. Dickey #
++# Copyright 2020,2024 Thomas E. Dickey #
+ # Copyright 1998-2006,2007 Free Software Foundation, Inc. #
+ # #
+ # Permission is hereby granted, free of charge, to any person obtaining a #
+@@ -26,7 +26,7 @@
+ # use or other dealings in this Software without prior written #
+ # authorization. #
+ ##############################################################################
+-# $Id: MKcaptab.awk,v 1.21 2020/02/02 23:34:34 tom Exp $
++# $Id: MKcaptab.awk,v 1.22 2024/12/07 20:52:55 tom Exp $
+ function add_string(text) {
+ if (text != "IGNORE") {
+ offsets[num_strings] = offset;
+@@ -53,7 +53,7 @@
+ printf "/* generated by MKcaptab.awk %s(%d) */\n", tablename, bigstrings;
+ print ""
+ if (bigstrings) {
+- printf "static struct alias *_nc_%s_table = 0;\n", tablename;
++ printf "static struct alias *_nc_%s_table = NULL;\n", tablename;
+ print "";
+ printf "static const char %s_text[] = \"\\\n", tablename;
+ } else {
+Index: ncurses/tinfo/MKcaptab.sh
+Prereq: 1.20
+--- ncurses-6.5-20241130+/ncurses/tinfo/MKcaptab.sh 2023-04-22 15:12:57.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/MKcaptab.sh 2024-12-07 21:30:44.000000000 +0000
+@@ -1,6 +1,6 @@
+ #!/bin/sh
+ ##############################################################################
+-# Copyright 2019-2020,2023 Thomas E. Dickey #
++# Copyright 2019-2023,2024 Thomas E. Dickey #
+ # Copyright 2007-2010,2011 Free Software Foundation, Inc. #
+ # #
+ # Permission is hereby granted, free of charge, to any person obtaining a #
+@@ -27,13 +27,13 @@
+ # use or other dealings in this Software without prior written #
+ # authorization. #
+ ##############################################################################
+-# $Id: MKcaptab.sh,v 1.20 2023/04/22 15:12:57 tom Exp $
++# $Id: MKcaptab.sh,v 1.22 2024/12/07 21:30:44 tom Exp $
+
+ if test $# != 0
+ then
+ AWK="$1"; shift 1
+ else
+- AWK=awk
++ AWK="awk"
+ fi
+
+ if test $# != 0
+@@ -71,12 +71,12 @@
+ /* *INDENT-OFF* */
+ EOF
+
+-cat "$@" |./make_hash 1 info $OPT1
+-cat "$@" |./make_hash 3 cap $OPT1
++cat "$@" |./make_hash 1 info "$OPT1"
++cat "$@" |./make_hash 3 cap "$OPT1"
+
+-cat "$@" |$AWK -f $OPT2 bigstrings=$OPT1 tablename=capalias
++cat "$@" |$AWK -f "$OPT2" bigstrings="$OPT1" tablename=capalias
+
+-cat "$@" |$AWK -f $OPT2 bigstrings=$OPT1 tablename=infoalias
++cat "$@" |$AWK -f "$OPT2" bigstrings="$OPT1" tablename=infoalias
+
+ cat <<EOF
+ /* *INDENT-ON* */
+@@ -93,9 +93,9 @@
+ const name_table_data * source,
+ const char *strings)
+ {
+- if (*actual == 0) {
++ if (*actual == NULL) {
+ *actual = typeCalloc(struct name_table_entry, CAPTABSIZE);
+- if (*actual != 0) {
++ if (*actual != NULL) {
+ unsigned n;
+ unsigned len = 0;
+ for (n = 0; n < CAPTABSIZE; ++n) {
+@@ -121,9 +121,9 @@
+ const char *strings,
+ size_t tablesize)
+ {
+- if (*actual == 0) {
++ if (*actual == NULL) {
+ *actual = typeCalloc(struct alias, tablesize + 1);
+- if (*actual != 0) {
++ if (*actual != NULL) {
+ size_t n;
+ for (n = 0; n < tablesize; ++n) {
+ add_alias(from);
+Index: ncurses/tinfo/MKcodes.awk
+Prereq: 1.11
+--- ncurses-6.5-20241130+/ncurses/tinfo/MKcodes.awk 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/MKcodes.awk 2024-12-07 20:03:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ ##############################################################################
+-# Copyright 2019,2020 Thomas E. Dickey #
++# Copyright 2019-2020,2024 Thomas E. Dickey #
+ # Copyright 2007-2009,2010 Free Software Foundation, Inc. #
+ # #
+ # Permission is hereby granted, free of charge, to any person obtaining a #
+@@ -26,7 +26,7 @@
+ # use or other dealings in this Software without prior written #
+ # authorization. #
+ ##############################################################################
+-# $Id: MKcodes.awk,v 1.11 2020/02/02 23:34:34 tom Exp $
++# $Id: MKcodes.awk,v 1.12 2024/12/07 20:03:37 tom Exp $
+ function large_item(value) {
+ result = sprintf("%d,", offset);
+ offset = offset + length(value) + 1;
+@@ -105,7 +105,7 @@
+ print "#if BROKEN_LINKER || USE_REENTRANT"
+ print ""
+ if (bigstrings) {
+- printf "static const char _nc_code_blob[] = \n"
++ printf "static const char _nc_code_blob[] =\n"
+ printf "%s;\n", bigstr;
+ print_offsets("boolcodes", large_boolcodes);
+ print_offsets("numcodes", large_numcodes);
+Index: ncurses/tinfo/MKfallback.sh
+Prereq: 1.26
+--- ncurses-6.5-20241130+/ncurses/tinfo/MKfallback.sh 2023-04-22 15:12:57.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/MKfallback.sh 2024-12-07 20:57:05.000000000 +0000
+@@ -27,7 +27,7 @@
+ # use or other dealings in this Software without prior written #
+ # authorization. #
+ ##############################################################################
+-# $Id: MKfallback.sh,v 1.26 2023/04/22 15:12:57 tom Exp $
++# $Id: MKfallback.sh,v 1.27 2024/12/07 20:57:05 tom Exp $
+ #
+ # MKfallback.sh -- create fallback table for entry reads
+ #
+@@ -150,8 +150,8 @@
+ _nc_fallback (const char *name)
+ {
+ const TERMTYPE2 *tp = _nc_fallback2(name);
+- const TERMTYPE *result = 0;
+- if (tp != 0) {
++ const TERMTYPE *result = NULL;
++ if (tp != NULL) {
+ static TERMTYPE temp;
+ _nc_export_termtype2(&temp, tp);
+ result = &temp;
+Index: ncurses/tinfo/MKnames.awk
+Prereq: 1.24
+--- ncurses-6.5-20241130+/ncurses/tinfo/MKnames.awk 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/MKnames.awk 2024-12-07 20:04:23.000000000 +0000
+@@ -1,5 +1,5 @@
+ ##############################################################################
+-# Copyright 2019,2020 Thomas E. Dickey #
++# Copyright 2019-2020,2024 Thomas E. Dickey #
+ # Copyright 1998-2008,2009 Free Software Foundation, Inc. #
+ # #
+ # Permission is hereby granted, free of charge, to any person obtaining a #
+@@ -26,7 +26,7 @@
+ # use or other dealings in this Software without prior written #
+ # authorization. #
+ ##############################################################################
+-# $Id: MKnames.awk,v 1.24 2020/02/02 23:34:34 tom Exp $
++# $Id: MKnames.awk,v 1.25 2024/12/07 20:04:23 tom Exp $
+ function large_item(value) {
+ result = sprintf("%d,", offset);
+ offset = offset + length(value) + 1;
+@@ -111,7 +111,7 @@
+ print "#if BROKEN_LINKER || USE_REENTRANT"
+ print ""
+ if (bigstrings) {
+- printf "static const char _nc_name_blob[] = \n"
++ printf "static const char _nc_name_blob[] =\n"
+ printf "%s;\n", bigstr;
+ print_offsets("boolfnames", large_boolfnames);
+ print_offsets("boolnames", large_boolnames);
+Index: ncurses/tinfo/MKuserdefs.sh
+Prereq: 1.10
+--- ncurses-6.5-20241130+/ncurses/tinfo/MKuserdefs.sh 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/MKuserdefs.sh 2024-12-07 20:04:23.000000000 +0000
+@@ -1,6 +1,6 @@
+ #!/bin/sh
+ ##############################################################################
+-# Copyright 2019,2020 Thomas E. Dickey #
++# Copyright 2019-2020,2024 Thomas E. Dickey #
+ # #
+ # Permission is hereby granted, free of charge, to any person obtaining a #
+ # copy of this software and associated documentation files (the "Software"), #
+@@ -26,7 +26,7 @@
+ # use or other dealings in this Software without prior written #
+ # authorization. #
+ ##############################################################################
+-# $Id: MKuserdefs.sh,v 1.10 2020/02/02 23:34:34 tom Exp $
++# $Id: MKuserdefs.sh,v 1.11 2024/12/07 20:04:23 tom Exp $
+ AWK=${1-awk}; shift 1
+ OPT1=${1-0}; shift 1
+
+@@ -69,9 +69,9 @@
+ const user_table_data *source,
+ const char *strings)
+ {
+- if (*actual == 0) {
++ if (*actual == NULL) {
+ *actual = typeCalloc(struct user_table_entry, USERTABSIZE);
+- if (*actual != 0) {
++ if (*actual != NULL) {
+ unsigned n;
+ unsigned len = 0;
+ for (n = 0; n < USERTABSIZE; ++n) {
+Index: ncurses/tinfo/access.c
+Prereq: 1.40
+--- ncurses-6.5-20241130+/ncurses/tinfo/access.c 2024-11-09 18:30:28.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/access.c 2024-12-07 18:05:04.000000000 +0000
+@@ -52,7 +52,7 @@
+
+ #include <tic.h>
+
+-MODULE_ID("$Id: access.c,v 1.40 2024/11/09 18:30:28 tom Exp $")
++MODULE_ID("$Id: access.c,v 1.41 2024/12/07 18:05:04 tom Exp $")
+
+ #define LOWERCASE(c) ((isalpha(UChar(c)) && isupper(UChar(c))) ? tolower(UChar(c)) : (c))
+
+@@ -70,7 +70,7 @@
+ static char *temp;
+ char *s;
+
+- if ((temp = strdup(result)) != 0)
++ if ((temp = strdup(result)) != NULL)
+ result = temp;
+ #if !MIXEDCASE_FILENAMES
+ for (s = result; *s != '\0'; ++s) {
+@@ -97,7 +97,7 @@
+ #define is_pathname(s) ((((s) != 0) && ((s)[0] == '/')) \
+ || (((s)[0] != 0) && ((s)[1] == ':')))
+ #else
+-#define is_pathname(s) ((s) != 0 && (s)[0] == '/')
++#define is_pathname(s) ((s) != NULL && (s)[0] == '/')
+ #endif
+ return is_pathname(path);
+ }
+@@ -113,7 +113,7 @@
+ if (test == 0)
+ test = strrchr(path, '\\');
+ #endif
+- if (test == 0)
++ if (test == NULL)
+ test = path;
+ else
+ test++;
+@@ -131,7 +131,7 @@
+ {
+ int result;
+
+- if (path == 0) {
++ if (path == NULL) {
+ errno = ENOENT;
+ result = -1;
+ } else if (ACCESS(path, mode) < 0) {
+@@ -143,7 +143,7 @@
+
+ _nc_STRCPY(head, path, sizeof(head));
+ leaf = _nc_basename(head);
+- if (leaf == 0)
++ if (leaf == NULL)
+ leaf = head;
+ *leaf = '\0';
+ if (head == leaf)
+Index: ncurses/tinfo/add_tries.c
+Prereq: 1.13
+--- ncurses-6.5-20241130+/ncurses/tinfo/add_tries.c 2023-06-24 15:36:13.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/add_tries.c 2024-12-07 20:04:23.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2019-2020,2023 Thomas E. Dickey *
++ * Copyright 2019-2023,2024 Thomas E. Dickey *
+ * Copyright 1998-2009,2010 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -41,7 +41,7 @@
+ #include <curses.priv.h>
+ #include <tic.h>
+
+-MODULE_ID("$Id: add_tries.c,v 1.13 2023/06/24 15:36:13 tom Exp $")
++MODULE_ID("$Id: add_tries.c,v 1.14 2024/12/07 20:04:23 tom Exp $")
+
+ #define SET_TRY(dst,src) if ((dst->ch = *src++) == 128) dst->ch = '\0'
+ #define CMP_TRY(a,b) ((a)? (a == b) : (b == 128))
+@@ -57,14 +57,14 @@
+ if (!VALID_STRING(str) || *txt == '\0' || code == 0)
+ returnCode(ERR);
+
+- if ((*tree) != 0) {
++ if ((*tree) != NULL) {
+ ptr = savedptr = (*tree);
+
+ for (;;) {
+ unsigned char cmp = *txt;
+
+ while (!CMP_TRY(ptr->ch, cmp)
+- && ptr->sibling != 0)
++ && ptr->sibling != NULL)
+ ptr = ptr->sibling;
+
+ if (CMP_TRY(ptr->ch, cmp)) {
+@@ -72,12 +72,12 @@
+ ptr->value = (unsigned short) code;
+ returnCode(OK);
+ }
+- if (ptr->child != 0)
++ if (ptr->child != NULL)
+ ptr = ptr->child;
+ else
+ break;
+ } else {
+- if ((ptr->sibling = typeCalloc(TRIES, 1)) == 0) {
++ if ((ptr->sibling = typeCalloc(TRIES, 1)) == NULL) {
+ returnCode(ERR);
+ }
+
+@@ -91,7 +91,7 @@
+ } else { /* (*tree) == 0 :: First sequence to be added */
+ savedptr = ptr = (*tree) = typeCalloc(TRIES, 1);
+
+- if (ptr == 0) {
++ if (ptr == NULL) {
+ returnCode(ERR);
+ }
+
+@@ -106,8 +106,8 @@
+
+ ptr = ptr->child;
+
+- if (ptr == 0) {
+- while ((ptr = savedptr) != 0) {
++ if (ptr == NULL) {
++ while ((ptr = savedptr) != NULL) {
+ savedptr = ptr->child;
+ free(ptr);
+ }
+Index: ncurses/tinfo/alloc_entry.c
+Prereq: 1.80
+--- ncurses-6.5-20241130+/ncurses/tinfo/alloc_entry.c 2024-11-09 20:36:48.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/alloc_entry.c 2024-12-07 21:12:53.000000000 +0000
+@@ -48,7 +48,7 @@
+
+ #include <tic.h>
+
+-MODULE_ID("$Id: alloc_entry.c,v 1.80 2024/11/09 20:36:48 tom Exp $")
++MODULE_ID("$Id: alloc_entry.c,v 1.81 2024/12/07 21:12:53 tom Exp $")
+
+ #define ABSENT_OFFSET -1
+ #define CANCELLED_OFFSET -2
+@@ -104,7 +104,7 @@
+ NCURSES_EXPORT(char *)
+ _nc_save_str(const char *string)
+ {
+- char *result = 0;
++ char *result = NULL;
+ size_t old_next_free = next_free;
+
+ if (stringbuf != NULL) {
+@@ -164,7 +164,7 @@
+ }
+
+ for (i = 0; i < nuses; i++) {
+- if (ep->uses[i].name == 0) {
++ if (ep->uses[i].name == NULL) {
+ ep->uses[i].name = _nc_save_str(ep->uses[i].name);
+ }
+ }
+@@ -187,7 +187,7 @@
+ }
+
+ for (i = 0; i < nuses; i++) {
+- if (ep->uses[i].name == 0)
++ if (ep->uses[i].name == NULL)
+ useoffsets[i] = ABSENT_OFFSET;
+ else
+ useoffsets[i] = (int) (ep->uses[i].name - stringbuf);
+@@ -237,7 +237,7 @@
+
+ for (i = 0; i < nuses; i++) {
+ if (useoffsets[i] == ABSENT_OFFSET) {
+- ep->uses[i].name = 0;
++ ep->uses[i].name = NULL;
+ } else {
+ ep->uses[i].name = strdup(tp->str_table + useoffsets[i]);
+ }
+@@ -258,7 +258,7 @@
+ #endif
+ unsigned i;
+
+- if (source == 0 || from == 0 || target == 0 || to == 0)
++ if (source == NULL || from == NULL || target == NULL || to == NULL)
+ return;
+
+ #if NCURSES_XNAMES
+Index: ncurses/tinfo/alloc_ttype.c
+Prereq: 1.52
+--- ncurses-6.5-20241130+/ncurses/tinfo/alloc_ttype.c 2024-07-27 19:22:23.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/alloc_ttype.c 2024-12-07 18:08:56.000000000 +0000
+@@ -43,7 +43,7 @@
+
+ #include <tic.h>
+
+-MODULE_ID("$Id: alloc_ttype.c,v 1.52 2024/07/27 19:22:23 tom Exp $")
++MODULE_ID("$Id: alloc_ttype.c,v 1.53 2024/12/07 18:08:56 tom Exp $")
+
+ #if NCURSES_XNAMES
+ /*
+@@ -532,8 +532,8 @@
+ char *new_table;
+ size_t new_table_size;
+ #if NCURSES_EXT_NUMBERS
+- short *oldptr = 0;
+- int *newptr = 0;
++ short *oldptr = NULL;
++ int *newptr = NULL;
+ #endif
+
+ DEBUG(2, (T_CALLED("copy_termtype(dst=%p, src=%p, mode=%d)"), (void *)
+@@ -594,7 +594,7 @@
+ TYPE_MALLOC(int, NUM_NUMBERS(dst), newptr);
+ dst->Numbers = newptr;
+ }
+- if ((mode == srcINT) && (oldptr != 0)) {
++ if ((mode == srcINT) && (oldptr != NULL)) {
+ DEBUG(2, ("...copy int ->short"));
+ for (i = 0; i < NUM_NUMBERS(dst); ++i) {
+ if (src->Numbers[i] > MAX_OF_TYPE(short)) {
+@@ -603,7 +603,7 @@
+ oldptr[i] = (short) src->Numbers[i];
+ }
+ }
+- } else if ((mode == dstINT) && (newptr != 0)) {
++ } else if ((mode == dstINT) && (newptr != NULL)) {
+ DEBUG(2, ("...copy short ->int"));
+ for (i = 0; i < NUM_NUMBERS(dst); ++i) {
+ newptr[i] = ((const short *) (src->Numbers))[i];
+@@ -672,7 +672,7 @@
+ }
+ }
+ } else {
+- dst->ext_Names = 0;
++ dst->ext_Names = NULL;
+ }
+ #endif
+ (void) new_table_size;
+Index: ncurses/tinfo/captoinfo.c
+Prereq: 1.104
+--- ncurses-6.5-20241130+/ncurses/tinfo/captoinfo.c 2024-10-19 21:18:54.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/captoinfo.c 2024-12-07 21:12:53.000000000 +0000
+@@ -98,7 +98,7 @@
+ #include <ctype.h>
+ #include <tic.h>
+
+-MODULE_ID("$Id: captoinfo.c,v 1.104 2024/10/19 21:18:54 tom Exp $")
++MODULE_ID("$Id: captoinfo.c,v 1.105 2024/12/07 21:12:53 tom Exp $")
+
+ #if 0
+ #define DEBUG_THIS(p) DEBUG(9, p)
+@@ -124,7 +124,7 @@
+ init_string(void)
+ /* initialize 'my_string', 'my_length' */
+ {
+- if (my_string == 0)
++ if (my_string == NULL)
+ TYPE_MALLOC(char, my_length = 256, my_string);
+
+ *my_string = '\0';
+@@ -138,7 +138,7 @@
+ size_t need = have + strlen(s) + 2;
+ if (need > my_length) {
+ my_string = (char *) _nc_doalloc(my_string, my_length = (need + need));
+- if (my_string == 0)
++ if (my_string == NULL)
+ _nc_err_abort(MSG_NO_MEMORY);
+ d = my_string + have;
+ }
+@@ -313,8 +313,8 @@
+ dp = init_string();
+
+ /* skip the initial padding (if we haven't been told not to) */
+- capstart = 0;
+- if (s == 0)
++ capstart = NULL;
++ if (s == NULL)
+ s = "";
+ if (parameterized >= 0 && isdigit(UChar(*s)))
+ for (capstart = s; *s != '\0'; s++)
+@@ -619,7 +619,7 @@
+ {
+ int seenone = 0, seentwo = 0, saw_m = 0, saw_n = 0;
+ const char *padding;
+- const char *trimmed = 0;
++ const char *trimmed = NULL;
+ int in0, in1, in2;
+ char ch1 = 0, ch2 = 0;
+ char *bufptr = init_string();
+@@ -655,9 +655,9 @@
+
+ for (; !syntax_error &&
+ *str &&
+- ((trimmed == 0) || (str < trimmed)); str++) {
++ ((trimmed == NULL) || (str < trimmed)); str++) {
+ int c1, c2;
+- char *cp = 0;
++ char *cp = NULL;
+
+ if (str[0] == '^') {
+ if (str[1] == '\0' || (str + 1) == trimmed) {
+@@ -743,7 +743,7 @@
+ ++myfix;
+ }
+ }
+- } else if (strchr("E\\nrtbf", xx1) == 0) {
++ } else if (strchr("E\\nrtbf", xx1) == NULL) {
+ switch (xx1) {
+ case 'e':
+ xx1 = 'E';
+@@ -814,7 +814,7 @@
+ && ((in0 == 4 && in1 == 10 && in2 == 48)
+ || (in0 == 3 && in1 == 9 && in2 == 38))) {
+ /* dumb-down an optimized case from xterm-256color for termcap */
+- if ((str = strstr(str, ";m")) == 0)
++ if ((str = strstr(str, ";m")) == NULL)
+ break; /* cannot happen */
+ ++str;
+ if (in2 == 48) {
+@@ -981,7 +981,7 @@
+ * but that may not be the end of the string.
+ */
+ assert(str != 0);
+- if (str == 0 || *str == '\0')
++ if (str == NULL || *str == '\0')
+ break;
+
+ } /* endwhile (*str) */
+@@ -1050,7 +1050,7 @@
+ NCURSES_EXPORT(void)
+ _nc_captoinfo_leaks(void)
+ {
+- if (my_string != 0) {
++ if (my_string != NULL) {
+ FreeAndNull(my_string);
+ }
+ my_length = 0;
+Index: ncurses/tinfo/comp_error.c
+Prereq: 1.44
+--- ncurses-6.5-20241130+/ncurses/tinfo/comp_error.c 2023-06-15 20:27:02.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/comp_error.c 2024-12-07 20:04:23.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2019-2020,2023 Thomas E. Dickey *
++ * Copyright 2019-2023,2024 Thomas E. Dickey *
+ * Copyright 1998-2012,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -42,7 +42,7 @@
+
+ #include <tic.h>
+
+-MODULE_ID("$Id: comp_error.c,v 1.44 2023/06/15 20:27:02 tom Exp $")
++MODULE_ID("$Id: comp_error.c,v 1.45 2024/12/07 20:04:23 tom Exp $")
+
+ NCURSES_EXPORT_VAR(bool) _nc_suppress_warnings = FALSE;
+ NCURSES_EXPORT_VAR(int) _nc_curr_line = 0; /* current line # in input */
+@@ -75,9 +75,9 @@
+ _nc_set_type(const char *const name)
+ {
+ #define MY_SIZE (size_t) MAX_NAME_SIZE
+- if (TermType == 0)
++ if (TermType == NULL)
+ TermType = typeMalloc(char, MY_SIZE + 1);
+- if (TermType != 0) {
++ if (TermType != NULL) {
+ TermType[0] = '\0';
+ if (name) {
+ _nc_STRNCAT(TermType, name, MY_SIZE, MY_SIZE);
+@@ -89,13 +89,13 @@
+ _nc_get_type(char *name)
+ {
+ #if NO_LEAKS
+- if (name == 0 && TermType != 0) {
++ if (name == NULL && TermType != NULL) {
+ FreeAndNull(TermType);
+ return;
+ }
+ #endif
+- if (name != 0)
+- _nc_STRCPY(name, TermType != 0 ? TermType : "", MAX_NAME_SIZE);
++ if (name != NULL)
++ _nc_STRCPY(name, TermType != NULL ? TermType : "", MAX_NAME_SIZE);
+ }
+
+ static NCURSES_INLINE void
+@@ -106,7 +106,7 @@
+ fprintf(stderr, ", line %d", _nc_curr_line);
+ if (_nc_curr_col > 0)
+ fprintf(stderr, ", col %d", _nc_curr_col);
+- if (TermType != 0 && TermType[0] != '\0')
++ if (TermType != NULL && TermType[0] != '\0')
+ fprintf(stderr, ", terminal '%s'", TermType);
+ fputc(':', stderr);
+ fputc(' ', stderr);
+Index: ncurses/tinfo/comp_expand.c
+Prereq: 1.36
+--- ncurses-6.5-20241130+/ncurses/tinfo/comp_expand.c 2024-11-30 21:24:57.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/comp_expand.c 2024-12-07 21:12:53.000000000 +0000
+@@ -36,7 +36,7 @@
+ #include <ctype.h>
+ #include <tic.h>
+
+-MODULE_ID("$Id: comp_expand.c,v 1.36 2024/11/30 21:24:57 tom Exp $")
++MODULE_ID("$Id: comp_expand.c,v 1.37 2024/12/07 21:12:53 tom Exp $")
+
+ #if 0
+ #define DEBUG_THIS(p) DEBUG(9, p)
+@@ -73,18 +73,18 @@
+ int offset;
+ } fixups[MAX_TC_FIXUPS];
+
+- if (srcp == 0) {
++ if (srcp == NULL) {
+ #if NO_LEAKS
+- if (buffer != 0) {
++ if (buffer != NULL) {
+ FreeAndNull(buffer);
+ length = 0;
+ }
+ #endif
+- return 0;
++ return NULL;
+ }
+- if (buffer == 0 || need > length) {
+- if ((buffer = typeRealloc(char, length = need, buffer)) == 0)
+- return 0;
++ if (buffer == NULL || need > length) {
++ if ((buffer = typeRealloc(char, length = need, buffer)) == NULL)
++ return NULL;
+ }
+
+ DEBUG_THIS(("_nc_tic_expand %s:%s:%s",
+@@ -124,9 +124,9 @@
+ case 1:
+ if (str[0] == L_BRACE
+ && isdigit(UChar(str[1]))) {
+- char *dst = 0;
++ char *dst = NULL;
+ long value = strtol(str + 1, &dst, 0);
+- if (dst != 0
++ if (dst != NULL
+ && *dst == R_BRACE
+ && value < 127
+ && isprint(UChar(value))) {
+Index: ncurses/tinfo/comp_hash.c
+Prereq: 1.55
+--- ncurses-6.5-20241130+/ncurses/tinfo/comp_hash.c 2023-06-24 13:29:43.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/comp_hash.c 2024-12-07 20:05:08.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2019-2020,2023 Thomas E. Dickey *
++ * Copyright 2019-2023,2024 Thomas E. Dickey *
+ * Copyright 1998-2008,2009 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -45,7 +45,7 @@
+ #include <tic.h>
+ #include <hashsize.h>
+
+-MODULE_ID("$Id: comp_hash.c,v 1.55 2023/06/24 13:29:43 tom Exp $")
++MODULE_ID("$Id: comp_hash.c,v 1.56 2024/12/07 20:05:08 tom Exp $")
+
+ /*
+ * Finds the entry for the given string in the hash table if present.
+@@ -58,7 +58,7 @@
+ bool termcap = (hash_table != _nc_get_hash_table(FALSE));
+ const HashData *data = _nc_get_hash_info(termcap);
+ int hashvalue;
+- struct name_table_entry const *ptr = 0;
++ struct name_table_entry const *ptr = NULL;
+ struct name_table_entry const *real_table;
+
+ hashvalue = data->hash_of(string);
+@@ -71,7 +71,7 @@
+ ptr = real_table + data->table_data[hashvalue];
+ while (!data->compare_names(ptr->nte_name, string)) {
+ if (ptr->nte_link < 0) {
+- ptr = 0;
++ ptr = NULL;
+ break;
+ }
+ ptr = real_table + (ptr->nte_link
+@@ -108,7 +108,7 @@
+ while (ptr->nte_type != type
+ || !data->compare_names(ptr->nte_name, string)) {
+ if (ptr->nte_link < 0) {
+- ptr = 0;
++ ptr = NULL;
+ break;
+ }
+ ptr = table + (ptr->nte_link + data->table_data[data->table_size]);
+@@ -125,7 +125,7 @@
+ {
+ const HashData *data = _nc_get_hash_user();
+ int hashvalue;
+- struct user_table_entry const *ptr = 0;
++ struct user_table_entry const *ptr = NULL;
+ struct user_table_entry const *real_table;
+
+ hashvalue = data->hash_of(string);
+@@ -138,7 +138,7 @@
+ ptr = real_table + data->table_data[hashvalue];
+ while (!data->compare_names(ptr->ute_name, string)) {
+ if (ptr->ute_link < 0) {
+- ptr = 0;
++ ptr = NULL;
+ break;
+ }
+ ptr = real_table + (ptr->ute_link
+Index: ncurses/tinfo/comp_parse.c
+Prereq: 1.135
+--- ncurses-6.5-20241130+/ncurses/tinfo/comp_parse.c 2024-07-27 19:15:16.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/comp_parse.c 2024-12-07 21:12:53.000000000 +0000
+@@ -48,7 +48,7 @@
+
+ #include <tic.h>
+
+-MODULE_ID("$Id: comp_parse.c,v 1.135 2024/07/27 19:15:16 tom Exp $")
++MODULE_ID("$Id: comp_parse.c,v 1.136 2024/12/07 21:12:53 tom Exp $")
+
+ static void sanity_check2(TERMTYPE2 *, bool);
+ NCURSES_IMPEXP void (NCURSES_API *_nc_check_termtype2) (TERMTYPE2 *, bool) = sanity_check2;
+@@ -64,13 +64,13 @@
+ DEBUG(2, (T_CALLED("enqueue(ep=%p)"), (void *) ep));
+
+ newp = _nc_copy_entry(ep);
+- if (newp == 0)
++ if (newp == NULL)
+ _nc_err_abort(MSG_NO_MEMORY);
+
+ newp->last = _nc_tail;
+ _nc_tail = newp;
+
+- newp->next = 0;
++ newp->next = NULL;
+ if (newp->last)
+ newp->last->next = newp;
+ DEBUG(2, (T_RETURN("")));
+@@ -81,7 +81,7 @@
+ static char *
+ force_bar(char *dst, char *src)
+ {
+- if (strchr(src, '|') == 0) {
++ if (strchr(src, '|') == NULL) {
+ size_t len = strlen(src);
+ if (len > MAX_NAME_SIZE)
+ len = MAX_NAME_SIZE;
+@@ -91,7 +91,7 @@
+ }
+ return src;
+ }
+-#define ForceBar(dst, src) ((strchr(src, '|') == 0) ? force_bar(dst, src) : src)
++#define ForceBar(dst, src) ((strchr(src, '|') == NULL) ? force_bar(dst, src) : src)
+
+ #if NCURSES_USE_TERMCAP && NCURSES_XNAMES
+ static char *
+@@ -152,7 +152,7 @@
+ name_ending(char *name)
+ {
+ if (*name == '\0') {
+- name = 0;
++ name = NULL;
+ } else {
+ while (*name != '\0' && *name != '|')
+ ++name;
+@@ -403,7 +403,7 @@
+ _nc_resolve_uses2(bool fullresolve, bool literal)
+ /* try to resolve all use capabilities */
+ {
+- ENTRY *qp, *rp, *lastread = 0;
++ ENTRY *qp, *rp, *lastread = NULL;
+ bool keepgoing;
+ unsigned i, j;
+ int total_unresolved, multiples;
+@@ -452,7 +452,7 @@
+ char *lookfor = qp->uses[i].name;
+ long lookline = qp->uses[i].line;
+
+- if (lookfor == 0)
++ if (lookfor == NULL)
+ continue;
+
+ foundit = FALSE;
+@@ -518,7 +518,7 @@
+
+ _nc_curr_line = (int) lookline;
+ _nc_warning("resolution of use=%s failed", lookfor);
+- qp->uses[i].link = 0;
++ qp->uses[i].link = NULL;
+ }
+ }
+ }
+@@ -758,7 +758,7 @@
+ _nc_names_leaks();
+ _nc_codes_leaks();
+ #endif
+- _nc_tic_expand(0, FALSE, 0);
++ _nc_tic_expand(NULL, FALSE, 0);
+ T((T_RETURN("")));
+ }
+
+Index: ncurses/tinfo/comp_scan.c
+Prereq: 1.124
+--- ncurses-6.5-20241130+/ncurses/tinfo/comp_scan.c 2024-11-23 18:45:01.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/comp_scan.c 2024-12-07 21:17:54.000000000 +0000
+@@ -51,7 +51,7 @@
+ #include <ctype.h>
+ #include <tic.h>
+
+-MODULE_ID("$Id: comp_scan.c,v 1.124 2024/11/23 18:45:01 tom Exp $")
++MODULE_ID("$Id: comp_scan.c,v 1.125 2024/12/07 21:17:54 tom Exp $")
+
+ /*
+ * Maximum length of string capability we'll accept before raising an error.
+@@ -70,7 +70,7 @@
+
+ NCURSES_EXPORT_VAR (struct token) _nc_curr_token =
+ {
+- 0, 0, 0
++ NULL, 0, NULL
+ };
+
+ /*****************************************************************************
+@@ -116,12 +116,12 @@
+ (T_CALLED("_nc_reset_input(fp=%p, buf=%p)"), (void *) fp, buf));
+
+ pushtype = NO_PUSHBACK;
+- if (pushname != 0)
++ if (pushname != NULL)
+ pushname[0] = '\0';
+ yyin = fp;
+ bufstart = bufptr = buf;
+ _nc_curr_file_pos = 0L;
+- if (fp != 0)
++ if (fp != NULL)
+ _nc_curr_line = 0;
+ _nc_curr_col = 0;
+
+@@ -197,18 +197,18 @@
+ int the_char;
+
+ if (!yyin) {
+- if (result != 0) {
++ if (result != NULL) {
+ FreeAndNull(result);
+ FreeAndNull(pushname);
+- bufptr = 0;
+- bufstart = 0;
++ bufptr = NULL;
++ bufstart = NULL;
+ allocated = 0;
+ }
+ /*
+ * An string with an embedded null will truncate the input. This is
+ * intentional (we don't read binary files here).
+ */
+- if (bufptr == 0 || *bufptr == '\0')
++ if (bufptr == NULL || *bufptr == '\0')
+ return (EOF);
+ if (*bufptr == '\n') {
+ _nc_curr_line++;
+@@ -227,12 +227,12 @@
+
+ do {
+ size_t used = 0;
+- bufstart = 0;
++ bufstart = NULL;
+ do {
+ if (used + (LEXBUFSIZ / 4) >= allocated) {
+ allocated += (allocated + LEXBUFSIZ);
+ result = typeRealloc(char, allocated, result);
+- if (result == 0)
++ if (result == NULL)
+ return (EOF);
+ if (bufstart)
+ bufstart = result;
+@@ -254,7 +254,7 @@
+ if (used != 0)
+ _nc_STRCAT(result, "\n", allocated);
+ }
+- if ((bufptr = bufstart) != 0) {
++ if ((bufptr = bufstart) != NULL) {
+ used = strlen(bufptr);
+ if (used == 0)
+ return (EOF);
+@@ -407,12 +407,12 @@
+ if (pushtype != NO_PUSHBACK) {
+ int retval = pushtype;
+
+- _nc_set_type(pushname != 0 ? pushname : "");
++ _nc_set_type(pushname != NULL ? pushname : "");
+ DEBUG(3, ("pushed-back token: `%s', class %d",
+ _nc_curr_token.tk_name, pushtype));
+
+ pushtype = NO_PUSHBACK;
+- if (pushname != 0)
++ if (pushname != NULL)
+ pushname[0] = '\0';
+
+ /* currtok wasn't altered by _nc_push_token() */
+@@ -421,11 +421,11 @@
+ }
+
+ if (end_of_stream()) {
+- yyin = 0;
++ yyin = NULL;
+ (void) next_char(); /* frees its allocated memory */
+- if (tok_buf != 0) {
++ if (tok_buf != NULL) {
+ if (_nc_curr_token.tk_name == tok_buf)
+- _nc_curr_token.tk_name = 0;
++ _nc_curr_token.tk_name = NULL;
+ }
+ DEBUG(3, (T_RETURN("%d"), EOF));
+ return (EOF);
+@@ -439,7 +439,7 @@
+ }
+
+ ch = eat_escaped_newline(ch);
+- _nc_curr_token.tk_valstring = 0;
++ _nc_curr_token.tk_valstring = NULL;
+
+ #ifdef TRACE
+ old_line = _nc_curr_line;
+@@ -475,7 +475,7 @@
+ #if NCURSES_EXT_FUNCS
+ && !(ch == '.' && _nc_disable_period)
+ #endif
+- && ((strchr) (terminfo_punct, (char) ch) == 0)) {
++ && ((strchr) (terminfo_punct, (char) ch) == NULL)) {
+ if (!silent)
+ _nc_warning("Illegal character (expected alphanumeric or %s) - '%s'",
+ terminfo_punct, unctrl(UChar(ch)));
+@@ -483,7 +483,7 @@
+ goto start_token;
+ }
+
+- if (tok_buf == 0)
++ if (tok_buf == NULL)
+ tok_buf = typeMalloc(char, TOK_BUF_SIZE);
+
+ #ifdef TRACE
+@@ -499,14 +499,14 @@
+ _nc_start_line = _nc_curr_line;
+
+ _nc_syntax = ERR;
+- after_name = 0;
+- after_list = 0;
++ after_name = NULL;
++ after_list = NULL;
+ while ((ch = next_char()) != '\n') {
+ if (ch == EOF) {
+ _nc_err_abort(MSG_NO_INPUTS);
+ } else if (ch == '|') {
+ after_list = tok_ptr;
+- if (after_name == 0)
++ if (after_name == NULL)
+ after_name = tok_ptr;
+ } else if (ch == ':' && last_char(0) != ',') {
+ _nc_syntax = SYN_TERMCAP;
+@@ -519,7 +519,7 @@
+ * If we did not see a '|', then we found a name with no
+ * aliases or description.
+ */
+- if (after_name == 0)
++ if (after_name == NULL)
+ break;
+ /*
+ * We saw a comma, but are not entirely sure this is
+@@ -614,7 +614,7 @@
+ * for following warning messages. If there's no '|', then there
+ * is no description.
+ */
+- if (after_name != 0) {
++ if (after_name != NULL) {
+ ch = *after_name;
+ *after_name = '\0';
+ _nc_set_type(tok_buf);
+@@ -625,11 +625,11 @@
+ * Compute the boundary between the aliases and the description
+ * field for syntax-checking purposes.
+ */
+- if (after_list != 0) {
++ if (after_list != NULL) {
+ if (!silent) {
+ if (*after_list == '\0' || strchr("|", after_list[1]) != NULL) {
+ _nc_warning("empty longname field");
+- } else if (strchr(after_list, ' ') == 0) {
++ } else if (strchr(after_list, ' ') == NULL) {
+ _nc_warning("older tic versions may treat the description field as an alias");
+ }
+ }
+@@ -805,7 +805,7 @@
+ type = _nc_get_token(silent);
+
+ DEBUG(3, ("token: `%s', class %d",
+- ((_nc_curr_token.tk_name != 0)
++ ((_nc_curr_token.tk_name != NULL)
+ ? _nc_curr_token.tk_name
+ : "<null>"),
+ type));
+@@ -1023,12 +1023,12 @@
+ * _nc_get_token() touches.
+ */
+ pushtype = tokclass;
+- if (pushname == 0)
++ if (pushname == NULL)
+ pushname = typeMalloc(char, MAX_NAME_SIZE + 1);
+ _nc_get_type(pushname);
+
+ DEBUG(3, ("pushing token: `%s', class %d",
+- ((_nc_curr_token.tk_name != 0)
++ ((_nc_curr_token.tk_name != NULL)
+ ? _nc_curr_token.tk_name
+ : "<null>"),
+ pushtype));
+@@ -1053,10 +1053,10 @@
+ NCURSES_EXPORT(void)
+ _nc_comp_scan_leaks(void)
+ {
+- if (pushname != 0) {
++ if (pushname != NULL) {
+ FreeAndNull(pushname);
+ }
+- if (tok_buf != 0) {
++ if (tok_buf != NULL) {
+ FreeAndNull(tok_buf);
+ }
+ }
+Index: ncurses/tinfo/db_iterator.c
+Prereq: 1.51
+--- ncurses-6.5-20241130+/ncurses/tinfo/db_iterator.c 2024-07-27 19:22:23.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/db_iterator.c 2024-12-07 18:23:25.000000000 +0000
+@@ -44,7 +44,7 @@
+ #include <hashed_db.h>
+ #endif
+
+-MODULE_ID("$Id: db_iterator.c,v 1.51 2024/07/27 19:22:23 tom Exp $")
++MODULE_ID("$Id: db_iterator.c,v 1.52 2024/12/07 18:23:25 tom Exp $")
+
+ #define HaveTicDirectory _nc_globals.have_tic_directory
+ #define KeepTicDirectory _nc_globals.keep_tic_directory
+@@ -127,12 +127,12 @@
+ const char *cached_value = my_vars[which].value;
+ bool same_value;
+
+- if ((value = getenv(name)) != 0) {
++ if ((value = getenv(name)) != NULL) {
+ value = strdup(value);
+ }
+- same_value = ((value == 0 && cached_value == 0) ||
+- (value != 0 &&
+- cached_value != 0 &&
++ same_value = ((value == NULL && cached_value == NULL) ||
++ (value != NULL &&
++ cached_value != NULL &&
+ strcmp(value, cached_value) == 0));
+
+ /* Set variable name to enable checks in cache_expired(). */
+@@ -153,7 +153,7 @@
+ static char *
+ cache_getenv(const char *name, DBDIRS which)
+ {
+- char *result = 0;
++ char *result = NULL;
+
+ (void) update_getenv(name, which);
+ if (which < dbdLAST) {
+@@ -185,7 +185,7 @@
+ } else {
+ DBDIRS n;
+ for (n = (DBDIRS) 0; n < dbdLAST; ++n) {
+- if (my_vars[n].name != 0
++ if (my_vars[n].name != NULL
+ && update_getenv(my_vars[n].name, n)) {
+ result = TRUE;
+ break;
+@@ -225,7 +225,7 @@
+ } else if (HaveTicDirectory == 0) {
+ if (use_terminfo_vars()) {
+ const char *envp;
+- if ((envp = getenv("TERMINFO")) != 0)
++ if ((envp = getenv("TERMINFO")) != NULL)
+ return _nc_tic_dir(envp);
+ }
+ }
+@@ -251,7 +251,7 @@
+ NCURSES_EXPORT(void)
+ _nc_last_db(void)
+ {
+- if (my_blob != 0 && cache_expired()) {
++ if (my_blob != NULL && cache_expired()) {
+ free_cache();
+ }
+ }
+@@ -268,14 +268,14 @@
+
+ (void) offset;
+ if ((int) *state < my_size
+- && my_list != 0
+- && my_list[*state] != 0) {
++ && my_list != NULL
++ && my_list[*state] != NULL) {
+ result = my_list[*state];
+ (*state)++;
+ } else {
+- result = 0;
++ result = NULL;
+ }
+- if (result != 0) {
++ if (result != NULL) {
+ T(("_nc_next_db %d %s", *state, result));
+ }
+ return result;
+@@ -293,7 +293,7 @@
+ /* build a blob containing all of the strings we will use for a lookup
+ * table.
+ */
+- if (my_blob == 0 || (cache_has_expired = cache_expired())) {
++ if (my_blob == NULL || (cache_has_expired = cache_expired())) {
+ size_t blobsize = 0;
+ const char *values[dbdLAST];
+ struct stat *my_stat;
+@@ -303,7 +303,7 @@
+ free_cache();
+
+ for (j = 0; j < dbdLAST; ++j)
+- values[j] = 0;
++ values[j] = NULL;
+
+ /*
+ * This is the first item in the list, and is used only when tic is
+@@ -344,13 +344,13 @@
+ }
+
+ for (j = 0; j < dbdLAST; ++j) {
+- if (values[j] == 0)
++ if (values[j] == NULL)
+ values[j] = "";
+ blobsize += 2 + strlen(values[j]);
+ }
+
+ my_blob = malloc(blobsize);
+- if (my_blob != 0) {
++ if (my_blob != NULL) {
+ *my_blob = '\0';
+ for (j = 0; j < dbdLAST; ++j) {
+ add_to_blob(values[j], blobsize);
+@@ -366,7 +366,7 @@
+ }
+ my_list = typeCalloc(char *, blobsize);
+ my_stat = typeCalloc(struct stat, blobsize);
+- if (my_list != 0 && my_stat != 0) {
++ if (my_list != NULL && my_stat != NULL) {
+ int k = 0;
+ my_list[k++] = my_blob;
+ for (j = 0; my_blob[j] != '\0'; ++j) {
+@@ -381,11 +381,11 @@
+ /*
+ * Eliminate duplicates from the list.
+ */
+- for (j = 0; my_list[j] != 0; ++j) {
++ for (j = 0; my_list[j] != NULL; ++j) {
+ #ifdef TERMINFO
+ if (*my_list[j] == '\0') {
+ char *my_copy = strdup(TERMINFO);
+- if (my_copy != 0)
++ if (my_copy != NULL)
+ my_list[j] = my_copy;
+ }
+ #endif
+@@ -394,7 +394,7 @@
+ if (!strcmp(my_list[j], my_list[k])) {
+ T(("duplicate %s", my_list[j]));
+ k = j - 1;
+- while ((my_list[j] = my_list[j + 1]) != 0) {
++ while ((my_list[j] = my_list[j + 1]) != NULL) {
+ ++j;
+ }
+ j = k;
+@@ -407,7 +407,7 @@
+ * Eliminate non-existent databases, and those that happen to
+ * be symlinked to another location.
+ */
+- for (j = 0; my_list[j] != 0; ++j) {
++ for (j = 0; my_list[j] != NULL; ++j) {
+ bool found = check_existence(my_list[j], &my_stat[j]);
+ #if HAVE_LINK
+ if (found) {
+@@ -423,7 +423,7 @@
+ if (!found) {
+ T(("not found %s", my_list[j]));
+ k = j;
+- while ((my_list[k] = my_list[k + 1]) != 0) {
++ while ((my_list[k] = my_list[k + 1]) != NULL) {
+ ++k;
+ }
+ --j;
+@@ -446,14 +446,14 @@
+ {
+ DBDIRS which;
+
+- if (my_blob != 0)
++ if (my_blob != NULL)
+ FreeAndNull(my_blob);
+- if (my_list != 0)
++ if (my_list != NULL)
+ FreeAndNull(my_list);
+ for (which = 0; (int) which < dbdLAST; ++which) {
+- my_vars[which].name = 0;
++ my_vars[which].name = NULL;
+ FreeIfNeeded(my_vars[which].value);
+- my_vars[which].value = 0;
++ my_vars[which].value = NULL;
+ }
+ update_tic_dir(NULL);
+ }
+Index: ncurses/tinfo/doalloc.c
+Prereq: 1.14
+--- ncurses-6.5-20241130+/ncurses/tinfo/doalloc.c 2021-04-24 23:43:39.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/doalloc.c 2024-12-07 20:05:08.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2021 Thomas E. Dickey *
++ * Copyright 2020-2021,2024 Thomas E. Dickey *
+ * Copyright 1998-2002,2012 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -40,7 +40,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: doalloc.c,v 1.14 2021/04/24 23:43:39 tom Exp $")
++MODULE_ID("$Id: doalloc.c,v 1.15 2024/12/07 20:05:08 tom Exp $")
+
+ void *
+ _nc_doalloc(void *oldp, size_t amount)
+@@ -51,7 +51,7 @@
+ if (amount == 0) {
+ free(oldp);
+ newp = NULL;
+- } else if ((newp = realloc(oldp, amount)) == 0) {
++ } else if ((newp = realloc(oldp, amount)) == NULL) {
+ free(oldp);
+ errno = ENOMEM; /* just in case 'free' reset */
+ }
+Index: ncurses/tinfo/entries.c
+Prereq: 1.37
+--- ncurses-6.5-20241130+/ncurses/tinfo/entries.c 2024-10-19 21:23:31.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/entries.c 2024-12-07 18:23:25.000000000 +0000
+@@ -38,7 +38,7 @@
+
+ #include <tic.h>
+
+-MODULE_ID("$Id: entries.c,v 1.37 2024/10/19 21:23:31 tom Exp $")
++MODULE_ID("$Id: entries.c,v 1.38 2024/12/07 18:23:25 tom Exp $")
+
+ /****************************************************************************
+ *
+@@ -61,8 +61,8 @@
+ * _nc_head _nc_tail
+ */
+
+-NCURSES_EXPORT_VAR(ENTRY *) _nc_head = 0;
+-NCURSES_EXPORT_VAR(ENTRY *) _nc_tail = 0;
++NCURSES_EXPORT_VAR(ENTRY *) _nc_head = NULL;
++NCURSES_EXPORT_VAR(ENTRY *) _nc_tail = NULL;
+
+ static ENTRY *
+ _nc_delink_entry(ENTRY * headp, const TERMTYPE2 *const tterm)
+@@ -70,12 +70,12 @@
+ {
+ ENTRY *ep, *last;
+
+- for (last = 0, ep = headp; ep != 0; last = ep, ep = ep->next) {
++ for (last = NULL, ep = headp; ep != NULL; last = ep, ep = ep->next) {
+ if (&(ep->tterm) == tterm) {
+- if (last != 0) {
++ if (last != NULL) {
+ last->next = ep->next;
+ }
+- if (ep->next != 0) {
++ if (ep->next != NULL) {
+ ep->next->last = last;
+ }
+ if (ep == _nc_head) {
+@@ -96,7 +96,7 @@
+ {
+ ENTRY *ep;
+
+- if ((ep = _nc_delink_entry(headp, tterm)) != 0) {
++ if ((ep = _nc_delink_entry(headp, tterm)) != NULL) {
+ free(ep);
+ }
+ }
+@@ -107,7 +107,7 @@
+ {
+ (void) headp; /* unused - _nc_head is altered here! */
+
+- while (_nc_head != 0) {
++ while (_nc_head != NULL) {
+ _nc_free_termtype2(&(_nc_head->tterm));
+ }
+ }
+@@ -141,7 +141,7 @@
+ }
+ _nc_unlock_global(screen);
+ #endif
+- if (TerminalOf(CURRENT_SCREEN) != 0) {
++ if (TerminalOf(CURRENT_SCREEN) != NULL) {
+ del_curterm(TerminalOf(CURRENT_SCREEN));
+ }
+ _nc_forget_prescr();
+@@ -149,8 +149,8 @@
+ _nc_comp_captab_leaks();
+ _nc_comp_userdefs_leaks();
+ _nc_free_entries(_nc_head);
+- _nc_get_type(0);
+- _nc_first_name(0);
++ _nc_get_type(NULL);
++ _nc_first_name(NULL);
+ _nc_db_iterator_leaks();
+ _nc_keyname_leaks();
+ #if BROKEN_LINKER || USE_REENTRANT
+@@ -160,7 +160,7 @@
+ #endif
+ _nc_comp_error_leaks();
+
+- if ((s = _nc_home_terminfo()) != 0)
++ if ((s = _nc_home_terminfo()) != NULL)
+ free(s);
+
+ #ifdef TRACE
+Index: ncurses/tinfo/getenv_num.c
+Prereq: 1.9
+--- ncurses-6.5-20241130+/ncurses/tinfo/getenv_num.c 2024-07-27 19:23:59.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/getenv_num.c 2024-12-07 18:14:49.000000000 +0000
+@@ -37,16 +37,16 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: getenv_num.c,v 1.9 2024/07/27 19:23:59 tom Exp $")
++MODULE_ID("$Id: getenv_num.c,v 1.10 2024/12/07 18:14:49 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ _nc_getenv_num(const char *name)
+ {
+- char *dst = 0;
++ char *dst = NULL;
+ const char *src = getenv(name);
+ long value;
+
+- if ((src == 0)
++ if ((src == NULL)
+ || (value = strtol(src, &dst, 0)) < 0
+ || (dst == src)
+ || (*dst != '\0')
+@@ -59,7 +59,7 @@
+ NCURSES_EXPORT(void)
+ _nc_setenv_num(const char *name, int value)
+ {
+- if (name != 0 && value >= 0) {
++ if (name != NULL && value >= 0) {
+ char buffer[128];
+ #if HAVE_SETENV
+ _nc_SPRINTF(buffer, _nc_SLIMIT(sizeof(buffer)) "%d", value);
+Index: ncurses/tinfo/home_terminfo.c
+Prereq: 1.18
+--- ncurses-6.5-20241130+/ncurses/tinfo/home_terminfo.c 2024-07-27 19:23:21.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/home_terminfo.c 2024-12-07 18:14:49.000000000 +0000
+@@ -38,7 +38,7 @@
+ #include <curses.priv.h>
+ #include <tic.h>
+
+-MODULE_ID("$Id: home_terminfo.c,v 1.18 2024/07/27 19:23:21 tom Exp $")
++MODULE_ID("$Id: home_terminfo.c,v 1.19 2024/12/07 18:14:49 tom Exp $")
+
+ /* ncurses extension...fall back on user's private directory */
+
+@@ -47,14 +47,14 @@
+ NCURSES_EXPORT(char *)
+ _nc_home_terminfo(void)
+ {
+- char *result = 0;
++ char *result = NULL;
+ #if USE_HOME_TERMINFO
+ if (use_terminfo_vars()) {
+
+- if (MyBuffer == 0) {
++ if (MyBuffer == NULL) {
+ const char *home;
+
+- if ((home = getenv("HOME")) != 0) {
++ if ((home = getenv("HOME")) != NULL) {
+ size_t want = (strlen(home) + sizeof(PRIVATE_INFO));
+ TYPE_MALLOC(char, want, MyBuffer);
+ _nc_SPRINTF(MyBuffer, _nc_SLIMIT(want) PRIVATE_INFO, home);
+Index: ncurses/tinfo/init_keytry.c
+Prereq: 1.21
+--- ncurses-6.5-20241130+/ncurses/tinfo/init_keytry.c 2024-07-27 19:23:59.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/init_keytry.c 2024-12-07 18:14:49.000000000 +0000
+@@ -30,7 +30,7 @@
+ #include <curses.priv.h>
+ #include <tic.h> /* struct tinfo_fkeys */
+
+-MODULE_ID("$Id: init_keytry.c,v 1.21 2024/07/27 19:23:59 tom Exp $")
++MODULE_ID("$Id: init_keytry.c,v 1.22 2024/12/07 18:14:49 tom Exp $")
+
+ /*
+ ** _nc_init_keytry()
+@@ -74,7 +74,7 @@
+ * mouse_activate() (which will call keyok()) are first called.
+ */
+
+- if (sp != 0) {
++ if (sp != NULL) {
+ unsigned n;
+
+ for (n = 0; _nc_tinfo_fkeys[n].code; n++) {
+@@ -95,7 +95,7 @@
+ for (n = STRCOUNT; n < NUM_STRINGS(tp); ++n) {
+ const char *name = ExtStrname(tp, (int) n, strnames);
+ const char *value = tp->Strings[n];
+- if (name != 0
++ if (name != NULL
+ && *name == 'k'
+ && VALID_STRING(value)
+ && NCURSES_SP_NAME(key_defined) (NCURSES_SP_ARGx
+Index: ncurses/tinfo/lib_acs.c
+Prereq: 1.50
+--- ncurses-6.5-20241130+/ncurses/tinfo/lib_acs.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/lib_acs.c 2024-12-07 20:05:08.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2018-2019,2020 Thomas E. Dickey *
++ * Copyright 2018-2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2014,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -40,7 +40,7 @@
+ #define CUR SP_TERMTYPE
+ #endif
+
+-MODULE_ID("$Id: lib_acs.c,v 1.50 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_acs.c,v 1.51 2024/12/07 20:05:08 tom Exp $")
+
+ #if BROKEN_LINKER || USE_REENTRANT
+ #define MyBuffer _nc_prescreen.real_acs_map
+@@ -81,7 +81,7 @@
+ NCURSES_SP_NAME(_nc_init_acs) (NCURSES_SP_DCL0)
+ {
+ chtype *fake_map = acs_map;
+- chtype *real_map = SP_PARM != 0 ? SP_PARM->_acs_map : fake_map;
++ chtype *real_map = SP_PARM != NULL ? SP_PARM->_acs_map : fake_map;
+ int j;
+
+ T(("initializing ACS map"));
+@@ -183,7 +183,7 @@
+ *
+ * test/blue.c uses this feature.
+ */
+-#define PCH_KLUDGE(a,b) (a != 0 && b != 0 && !strcmp(a,b))
++#define PCH_KLUDGE(a,b) (a != NULL && b != NULL && !strcmp(a,b))
+ if (PCH_KLUDGE(enter_pc_charset_mode, enter_alt_charset_mode) &&
+ PCH_KLUDGE(exit_pc_charset_mode, exit_alt_charset_mode)) {
+ size_t i;
+@@ -191,7 +191,7 @@
+ if (real_map[i] == 0) {
+ real_map[i] = (chtype) i;
+ if (real_map != fake_map) {
+- if (SP != 0)
++ if (SP != NULL)
+ SP->_screen_acs_map[i] = TRUE;
+ }
+ }
+@@ -210,7 +210,7 @@
+ (int) i,
+ _tracechar(UChar(acs_chars[i])),
+ _tracechtype(real_map[UChar(acs_chars[i])])));
+- if (SP != 0) {
++ if (SP != NULL) {
+ SP->_screen_acs_map[UChar(acs_chars[i])] = TRUE;
+ }
+ }
+Index: ncurses/tinfo/lib_baudrate.c
+Prereq: 1.45
+--- ncurses-6.5-20241130+/ncurses/tinfo/lib_baudrate.c 2020-09-05 21:15:32.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/lib_baudrate.c 2024-12-07 20:05:08.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2016,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -84,7 +84,7 @@
+ #undef USE_OLD_TTY
+ #endif /* USE_OLD_TTY */
+
+-MODULE_ID("$Id: lib_baudrate.c,v 1.45 2020/09/05 21:15:32 tom Exp $")
++MODULE_ID("$Id: lib_baudrate.c,v 1.46 2024/12/07 20:05:08 tom Exp $")
+
+ /*
+ * int
+@@ -279,7 +279,7 @@
+ #ifdef TRACE
+ if (IsValidTIScreen(SP_PARM)
+ && !NC_ISATTY(fileno((SP_PARM && SP_PARM->_ofp) ? SP_PARM->_ofp : stdout))
+- && getenv("BAUDRATE") != 0) {
++ && getenv("BAUDRATE") != NULL) {
+ int ret;
+ if ((ret = _nc_getenv_num("BAUDRATE")) <= 0)
+ ret = 9600;
+Index: ncurses/tinfo/lib_cur_term.c
+Prereq: 1.49
+--- ncurses-6.5-20241130+/ncurses/tinfo/lib_cur_term.c 2022-05-28 17:56:55.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/lib_cur_term.c 2024-12-07 20:05:08.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+-,* Copyright 2020-2021,2022 Thomas E. Dickey *
++,* Copyright 2020-2022,2024 Thomas E. Dickey *
+ * Copyright 1998-2016,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -41,7 +41,7 @@
+ #include <termcap.h> /* ospeed */
+ #include <tic.h> /* VALID_STRING */
+
+-MODULE_ID("$Id: lib_cur_term.c,v 1.49 2022/05/28 17:56:55 tom Exp $")
++MODULE_ID("$Id: lib_cur_term.c,v 1.50 2024/12/07 20:05:08 tom Exp $")
+
+ #undef CUR
+ #define CUR TerminalType(termp).
+@@ -74,7 +74,7 @@
+ }
+
+ #else
+-NCURSES_EXPORT_VAR(TERMINAL *) cur_term = 0;
++NCURSES_EXPORT_VAR(TERMINAL *) cur_term = NULL;
+ #endif
+
+ NCURSES_EXPORT(TERMINAL *)
+@@ -93,7 +93,7 @@
+ #else
+ cur_term = termp;
+ #endif
+- if (termp != 0) {
++ if (termp != NULL) {
+ #ifdef USE_TERM_DRIVER
+ TERMINAL_CONTROL_BLOCK *TCB = (TERMINAL_CONTROL_BLOCK *) termp;
+ ospeed = (NCURSES_OSPEED) _nc_ospeed(termp->_baudrate);
+@@ -134,7 +134,7 @@
+
+ T((T_CALLED("del_curterm(%p, %p)"), (void *) SP_PARM, (void *) termp));
+
+- if (termp != 0) {
++ if (termp != NULL) {
+ #ifdef USE_TERM_DRIVER
+ TERMINAL_CONTROL_BLOCK *TCB = (TERMINAL_CONTROL_BLOCK *) termp;
+ #endif
+@@ -155,11 +155,11 @@
+ #endif
+ _nc_free_termtype2(&TerminalType(termp));
+ if (termp == cur)
+- NCURSES_SP_NAME(set_curterm) (NCURSES_SP_ARGx 0);
++ NCURSES_SP_NAME(set_curterm) (NCURSES_SP_ARGx NULL);
+
+ FreeIfNeeded(termp->_termname);
+ #if USE_HOME_TERMINFO
+- if (_nc_globals.home_terminfo != 0) {
++ if (_nc_globals.home_terminfo != NULL) {
+ FreeAndNull(_nc_globals.home_terminfo);
+ }
+ #endif
+Index: ncurses/tinfo/lib_data.c
+Prereq: 1.89
+--- ncurses-6.5-20241130+/ncurses/tinfo/lib_data.c 2024-02-24 18:11:38.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/lib_data.c 2024-12-07 18:23:25.000000000 +0000
+@@ -43,7 +43,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_data.c,v 1.89 2024/02/24 18:11:38 tom Exp $")
++MODULE_ID("$Id: lib_data.c,v 1.90 2024/12/07 18:23:25 tom Exp $")
+
+ /*
+ * OS/2's native linker complains if we don't initialize public data when
+@@ -66,12 +66,12 @@
+ return CURRENT_SCREEN ? NewScreen(CURRENT_SCREEN) : 0;
+ }
+ #else
+-NCURSES_EXPORT_VAR(WINDOW *) stdscr = 0;
+-NCURSES_EXPORT_VAR(WINDOW *) curscr = 0;
+-NCURSES_EXPORT_VAR(WINDOW *) newscr = 0;
++NCURSES_EXPORT_VAR(WINDOW *) stdscr = NULL;
++NCURSES_EXPORT_VAR(WINDOW *) curscr = NULL;
++NCURSES_EXPORT_VAR(WINDOW *) newscr = NULL;
+ #endif
+
+-NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain = 0;
++NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain = NULL;
+
+ /*
+ * The variable 'SP' will be defined as a function on systems that cannot link
+@@ -129,7 +129,7 @@
+
+ FALSE, /* have_tic_directory */
+ FALSE, /* keep_tic_directory */
+- 0, /* tic_directory */
++ NULL, /* tic_directory */
+
+ NULL, /* dbi_list */
+ 0, /* dbi_size */
+@@ -150,11 +150,11 @@
+ 0, /* tgetent_sequence */
+ 0, /* terminal_count */
+
+- 0, /* dbd_blob */
+- 0, /* dbd_list */
++ NULL, /* dbd_blob */
++ NULL, /* dbd_list */
+ 0, /* dbd_size */
+ 0, /* dbd_time */
+- { { 0, 0 } }, /* dbd_vars */
++ { { NULL, NULL } }, /* dbd_vars */
+
+ #if HAVE_TSEARCH
+ NULL, /* cached_tparm */
+@@ -230,7 +230,7 @@
+ #define STACK_FRAME_0s { STACK_FRAME_0 }
+ #define NUM_VARS_0s { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }
+
+-#define RIPOFF_0 { 0,0,0 }
++#define RIPOFF_0 { NULL,0,NULL }
+ #define RIPOFF_0s { RIPOFF_0 }
+
+ NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen = {
+@@ -258,7 +258,7 @@
+ },
+ NULL, /* saved_tty */
+ FALSE, /* use_tioctl */
+- 0, /* _outch */
++ NULL, /* _outch */
+ #ifndef USE_SP_RIPOFF
+ RIPOFF_0s, /* ripoff */
+ NULL, /* rsp */
+@@ -291,9 +291,9 @@
+ NCURSES_EXPORT(SCREEN *)
+ _nc_screen_of(WINDOW *win)
+ {
+- SCREEN *sp = 0;
++ SCREEN *sp = NULL;
+
+- if (win != 0) {
++ if (win != NULL) {
+ sp = WINDOW_EXT(win, screen);
+ }
+ return (sp);
+Index: ncurses/tinfo/lib_kernel.c
+Prereq: 1.36
+--- ncurses-6.5-20241130+/ncurses/tinfo/lib_kernel.c 2023-06-10 13:29:06.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/lib_kernel.c 2024-12-07 20:05:08.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020-2022,2023 Thomas E. Dickey *
++ * Copyright 2020-2023,2024 Thomas E. Dickey *
+ * Copyright 1998-2009,2010 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -49,7 +49,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_kernel.c,v 1.36 2023/06/10 13:29:06 tom Exp $")
++MODULE_ID("$Id: lib_kernel.c,v 1.37 2024/12/07 20:05:08 tom Exp $")
+
+ #ifdef TERMIOS
+ static int
+@@ -89,7 +89,7 @@
+
+ T((T_CALLED("erasechar(%p)"), (void *) SP_PARM));
+
+- if (termp != 0) {
++ if (termp != NULL) {
+ #ifdef TERMIOS
+ result = termp->Ottyb.c_cc[VERASE];
+ if (result == _nc_vdisable())
+@@ -126,7 +126,7 @@
+
+ T((T_CALLED("killchar(%p)"), (void *) SP_PARM));
+
+- if (termp != 0) {
++ if (termp != NULL) {
+ #ifdef TERMIOS
+ result = termp->Ottyb.c_cc[VKILL];
+ if (result == _nc_vdisable())
+@@ -177,7 +177,7 @@
+ {
+ T((T_CALLED("flushinp(%p)"), (void *) SP_PARM));
+
+- if (SP_PARM != 0) {
++ if (SP_PARM != NULL) {
+ if (NC_ISATTY(SP_PARM->_ifd))
+ flush_input(SP_PARM->_ifd);
+ else if (NC_ISATTY(SP_PARM->_ofd))
+Index: ncurses/tinfo/lib_options.c
+Prereq: 1.84
+--- ncurses-6.5-20241130+/ncurses/tinfo/lib_options.c 2024-11-23 19:17:25.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/lib_options.c 2024-12-07 18:24:47.000000000 +0000
+@@ -47,7 +47,7 @@
+ #define CUR SP_TERMTYPE
+ #endif
+
+-MODULE_ID("$Id: lib_options.c,v 1.84 2024/11/23 19:17:25 tom Exp $")
++MODULE_ID("$Id: lib_options.c,v 1.85 2024/12/07 18:24:47 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ idlok(WINDOW *win, bool flag)
+@@ -57,7 +57,7 @@
+
+ if (win) {
+ SCREEN *sp = _nc_screen_of(win);
+- if (sp != 0
++ if (sp != NULL
+ #ifdef USE_TERM_DRIVER
+ && IsTermInfo(sp)
+ #endif
+@@ -158,14 +158,14 @@
+ meta(WINDOW *win GCC_UNUSED, bool flag)
+ {
+ int result = ERR;
+- SCREEN *sp = (win == 0) ? CURRENT_SCREEN : _nc_screen_of(win);
++ SCREEN *sp = (win == NULL) ? CURRENT_SCREEN : _nc_screen_of(win);
+
+ /* Ok, we stay relaxed and don't signal an error if win is NULL */
+ T((T_CALLED("meta(%p,%d)"), (void *) win, flag));
+
+ /* Ok, we stay relaxed and don't signal an error if win is NULL */
+
+- if (sp != 0) {
++ if (sp != NULL) {
+ sp->_use_meta = flag;
+ #ifdef USE_TERM_DRIVER
+ if (IsTermInfo(sp)) {
+@@ -195,7 +195,7 @@
+ int code = ERR;
+ T((T_CALLED("curs_set(%p,%d)"), (void *) SP_PARM, vis));
+
+- if (SP_PARM != 0 && vis >= 0 && vis <= 2) {
++ if (SP_PARM != NULL && vis >= 0 && vis <= 2) {
+ int cursor = SP_PARM->_cursor;
+ if (vis == cursor) {
+ code = cursor;
+@@ -269,7 +269,7 @@
+ static int
+ has_key_internal(int keycode, TRIES * tp)
+ {
+- if (tp == 0)
++ if (tp == NULL)
+ return (FALSE);
+ else if (tp->value == keycode)
+ return (TRUE);
+@@ -290,7 +290,7 @@
+ NCURSES_SP_NAME(has_key) (NCURSES_SP_DCLx int keycode)
+ {
+ T((T_CALLED("has_key(%p,%d)"), (void *) SP_PARM, keycode));
+- returnCode(SP != 0 ? has_key_internal(keycode, SP_PARM->_keytry) : FALSE);
++ returnCode(SP != NULL ? has_key_internal(keycode, SP_PARM->_keytry) : FALSE);
+ }
+
+ #if NCURSES_SP_FUNCS
+@@ -334,7 +334,7 @@
+ {
+ int rc = ERR;
+
+- if (sp != 0) {
++ if (sp != NULL) {
+ #ifdef USE_PTHREADS
+ /*
+ * We might have this situation in a multithreaded application that
+Index: ncurses/tinfo/lib_print.c
+Prereq: 1.33
+--- ncurses-6.5-20241130+/ncurses/tinfo/lib_print.c 2024-08-31 10:46:01.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/lib_print.c 2024-12-07 18:05:04.000000000 +0000
+@@ -40,7 +40,7 @@
+ #define CUR SP_TERMTYPE
+ #endif
+
+-MODULE_ID("$Id: lib_print.c,v 1.33 2024/08/31 10:46:01 Rafael.Kitover Exp $")
++MODULE_ID("$Id: lib_print.c,v 1.34 2024/12/07 18:05:04 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ NCURSES_SP_NAME(mcprint) (NCURSES_SP_DCLx char *data, int len)
+@@ -72,8 +72,8 @@
+
+ need = onsize + (size_t) len + offsize;
+
+- if (switchon == 0
+- || (mybuf = typeMalloc(char, need + 1)) == 0) {
++ if (switchon == NULL
++ || (mybuf = typeMalloc(char, need + 1)) == NULL) {
+ free(mybuf);
+ errno = ENOMEM;
+ return (ERR);
+Index: ncurses/tinfo/lib_raw.c
+Prereq: 1.31
+--- ncurses-6.5-20241130+/ncurses/tinfo/lib_raw.c 2024-05-25 20:18:20.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/lib_raw.c 2024-12-07 18:24:47.000000000 +0000
+@@ -50,7 +50,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_raw.c,v 1.31 2024/05/25 20:18:20 Branden.Robinson Exp $")
++MODULE_ID("$Id: lib_raw.c,v 1.32 2024/12/07 18:24:47 tom Exp $")
+
+ #if HAVE_SYS_TERMIO_H
+ #include <sys/termio.h> /* needed for ISC */
+@@ -85,7 +85,7 @@
+ TERMINAL *termp;
+
+ T((T_CALLED("raw(%p)"), (void *) SP_PARM));
+- if ((termp = TerminalOf(SP_PARM)) != 0) {
++ if ((termp = TerminalOf(SP_PARM)) != NULL) {
+ TTY buf;
+
+ BEFORE("raw");
+@@ -141,7 +141,7 @@
+ TERMINAL *termp;
+
+ T((T_CALLED("cbreak(%p)"), (void *) SP_PARM));
+- if ((termp = TerminalOf(SP_PARM)) != 0) {
++ if ((termp = TerminalOf(SP_PARM)) != NULL) {
+ TTY buf;
+
+ BEFORE("cbreak");
+@@ -185,7 +185,7 @@
+ TERMINAL *termp;
+
+ T((T_CALLED("qiflush(%p)"), (void *) SP_PARM));
+- if ((termp = TerminalOf(SP_PARM)) != 0) {
++ if ((termp = TerminalOf(SP_PARM)) != NULL) {
+ TTY buf;
+ int result;
+
+@@ -220,7 +220,7 @@
+ TERMINAL *termp;
+
+ T((T_CALLED("noraw(%p)"), (void *) SP_PARM));
+- if ((termp = TerminalOf(SP_PARM)) != 0) {
++ if ((termp = TerminalOf(SP_PARM)) != NULL) {
+ TTY buf;
+
+ BEFORE("noraw");
+@@ -275,7 +275,7 @@
+ TERMINAL *termp;
+
+ T((T_CALLED("nocbreak(%p)"), (void *) SP_PARM));
+- if ((termp = TerminalOf(SP_PARM)) != 0) {
++ if ((termp = TerminalOf(SP_PARM)) != NULL) {
+ TTY buf;
+
+ BEFORE("nocbreak");
+@@ -316,7 +316,7 @@
+ TERMINAL *termp;
+
+ T((T_CALLED("noqiflush(%p)"), (void *) SP_PARM));
+- if ((termp = TerminalOf(SP_PARM)) != 0) {
++ if ((termp = TerminalOf(SP_PARM)) != NULL) {
+ TTY buf;
+ int result;
+
+@@ -354,10 +354,10 @@
+ TERMINAL *termp;
+
+ T((T_CALLED("intrflush(%p,%d)"), (void *) SP_PARM, flag));
+- if (SP_PARM == 0)
++ if (SP_PARM == NULL)
+ returnCode(ERR);
+
+- if ((termp = TerminalOf(SP_PARM)) != 0) {
++ if ((termp = TerminalOf(SP_PARM)) != NULL) {
+ TTY buf;
+
+ BEFORE("intrflush");
+Index: ncurses/tinfo/lib_setup.c
+Prereq: 1.246
+--- ncurses-6.5-20241130+/ncurses/tinfo/lib_setup.c 2024-11-23 18:32:54.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/lib_setup.c 2024-12-07 20:21:01.000000000 +0000
+@@ -49,7 +49,7 @@
+ #include <locale.h>
+ #endif
+
+-MODULE_ID("$Id: lib_setup.c,v 1.246 2024/11/23 18:32:54 tom Exp $")
++MODULE_ID("$Id: lib_setup.c,v 1.247 2024/12/07 20:21:01 tom Exp $")
+
+ /****************************************************************************
+ *
+@@ -533,7 +533,7 @@
+ errno = 0;
+ do {
+ if (ioctl(cur_term->Filedes, IOCTL_WINSIZE, &size) >= 0) {
+- *linep = ((sp != 0 && sp->_filtered)
++ *linep = ((sp != NULL && sp->_filtered)
+ ? 1
+ : WINSIZE_ROWS(size));
+ *colp = WINSIZE_COLS(size);
+@@ -553,7 +553,8 @@
+ /*
+ * If environment variables are used, update them.
+ */
+- if ((sp == 0 || !sp->_filtered) && _nc_getenv_num("LINES") > 0) {
++ if ((sp == NULL || !sp->_filtered) &&
++ _nc_getenv_num("LINES") > 0) {
+ _nc_setenv_num("LINES", *linep);
+ }
+ if (_nc_getenv_num("COLUMNS") > 0) {
+@@ -636,17 +637,17 @@
+ int old_cols = columns;
+ #endif
+
+- if (sp != 0) {
++ if (sp != NULL) {
+ TINFO_GET_SIZE(sp, sp->_term, &new_lines, &new_cols);
+ /*
+ * See is_term_resized() and resizeterm().
+ * We're doing it this way because those functions belong to the upper
+ * ncurses library, while this resides in the lower terminfo library.
+ */
+- if (sp->_resize != 0) {
++ if (sp->_resize != NULL) {
+ if ((new_lines != old_lines) || (new_cols != old_cols)) {
+ sp->_resize(NCURSES_SP_ARGx new_lines, new_cols);
+- } else if (sp->_sig_winch && (sp->_ungetch != 0)) {
++ } else if (sp->_sig_winch && (sp->_ungetch != NULL)) {
+ sp->_ungetch(SP_PARM, KEY_RESIZE); /* so application can know this */
+ }
+ sp->_sig_winch = FALSE;
+@@ -708,7 +709,7 @@
+ * since it is fairly common for developers to set the C compiler
+ * name as an environment variable - using the same symbol.
+ */
+- if ((tmp = getenv("CC")) != 0 && strlen(tmp) == 1) {
++ if ((tmp = getenv("CC")) != NULL && strlen(tmp) == 1) {
+ unsigned i;
+ char CC = *tmp;
+
+@@ -736,7 +737,7 @@
+ * This is preferable to using getenv() since it ensures that we are using
+ * the locale which was actually initialized by the application.
+ */
+- env = setlocale(LC_CTYPE, 0);
++ env = setlocale(LC_CTYPE, NULL);
+ #else
+ if (((env = getenv("LANG")) != 0 && *env != '\0')
+ || ((env = getenv("LC_CTYPE")) != 0 && *env != '\0')
+@@ -778,8 +779,8 @@
+ return result;
+ }
+
+-#define CONTROL_N(s) ((s) != 0 && strstr(s, "\016") != 0)
+-#define CONTROL_O(s) ((s) != 0 && strstr(s, "\017") != 0)
++#define CONTROL_N(s) ((s) != NULL && strstr(s, "\016") != NULL)
++#define CONTROL_O(s) ((s) != NULL && strstr(s, "\017") != NULL)
+
+ /*
+ * Check for known broken cases where a UTF-8 locale breaks the alternate
+@@ -794,17 +795,17 @@
+ int result = 0;
+
+ T((T_CALLED("_nc_locale_breaks_acs:%d"), result));
+- if (getenv(env_name) != 0) {
++ if (getenv(env_name) != NULL) {
+ result = _nc_getenv_num(env_name);
+ } else if ((value = tigetnum("U8")) >= 0) {
+ result = value; /* use extension feature */
+- } else if ((env = getenv("TERM")) != 0) {
++ } else if ((env = getenv("TERM")) != NULL) {
+ if (strstr(env, "linux")) {
+ result = 1; /* always broken */
+- } else if (strstr(env, "screen") != 0
+- && ((env = getenv("TERMCAP")) != 0
+- && strstr(env, "screen") != 0)
+- && strstr(env, "hhII00") != 0) {
++ } else if (strstr(env, "screen") != NULL
++ && ((env = getenv("TERMCAP")) != NULL
++ && strstr(env, "screen") != NULL)
++ && strstr(env, "hhII00") != NULL) {
+ if (CONTROL_N(enter_alt_charset_mode) ||
+ CONTROL_O(enter_alt_charset_mode) ||
+ CONTROL_N(set_attributes) ||
+@@ -827,7 +828,7 @@
+ TERMINAL_CONTROL_BLOCK *TCB = 0;
+ #endif
+ TERMINAL *termp;
+- SCREEN *sp = 0;
++ SCREEN *sp = NULL;
+ char *myname;
+ int code = ERR;
+
+@@ -847,7 +848,7 @@
+ T((T_CALLED("setupterm(%s,%d,%p)"), _nc_visbuf(tname), Filedes, (void *) errret));
+ #endif
+
+- if (tname == 0) {
++ if (tname == NULL) {
+ tname = getenv("TERM");
+ #if defined(EXP_WIN32_DRIVER)
+ if (!VALID_TERM_ENV(tname, NO_TERMINAL)) {
+@@ -902,9 +903,9 @@
+ * properly with this feature).
+ */
+ if (reuse
+- && (termp != 0)
++ && (termp != NULL)
+ && termp->Filedes == Filedes
+- && termp->_termname != 0
++ && termp->_termname != NULL
+ && !strcmp(termp->_termname, myname)
+ && _nc_name_match(TerminalType(termp).term_names, myname, "|")) {
+ T(("reusing existing terminal information and mode-settings"));
+@@ -923,7 +924,7 @@
+
+ termp = typeCalloc(TERMINAL, 1);
+ #endif
+- if (termp == 0) {
++ if (termp == NULL) {
+ ret_error1(TGETENT_ERR,
+ "Not enough memory to create terminal structure.\n",
+ myname, free(myname));
+@@ -1129,10 +1130,10 @@
+ T((T_CALLED("new_prescr()")));
+
+ _nc_lock_global(screen);
+- if ((sp = _nc_find_prescr()) == 0) {
++ if ((sp = _nc_find_prescr()) == NULL) {
+ sp = _nc_alloc_screen_sp();
+ T(("_nc_alloc_screen_sp %p", (void *) sp));
+- if (sp != 0) {
++ if (sp != NULL) {
+ #ifdef USE_PTHREADS
+ PRESCREEN_LIST *p = typeCalloc(PRESCREEN_LIST, 1);
+ if (p != 0) {
+@@ -1151,7 +1152,7 @@
+ sp->_no_padding = _nc_prescreen._no_padding;
+ #endif
+ sp->slk_format = 0;
+- sp->_slk = 0;
++ sp->_slk = NULL;
+ sp->_prescreen = TRUE;
+ SP_PRE_INIT(sp);
+ #if USE_REENTRANT
+Index: ncurses/tinfo/lib_termcap.c
+Prereq: 1.90
+--- ncurses-6.5-20241130+/ncurses/tinfo/lib_termcap.c 2024-07-27 19:22:23.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/lib_termcap.c 2024-12-07 18:26:04.000000000 +0000
+@@ -49,10 +49,10 @@
+ #define CUR SP_TERMTYPE
+ #endif
+
+-MODULE_ID("$Id: lib_termcap.c,v 1.90 2024/07/27 19:22:23 tom Exp $")
++MODULE_ID("$Id: lib_termcap.c,v 1.91 2024/12/07 18:26:04 tom Exp $")
+
+-NCURSES_EXPORT_VAR(char *) UP = 0;
+-NCURSES_EXPORT_VAR(char *) BC = 0;
++NCURSES_EXPORT_VAR(char *) UP = NULL;
++NCURSES_EXPORT_VAR(char *) BC = NULL;
+
+ #define MyCache _nc_globals.tgetent_cache
+ #define CacheInx _nc_globals.tgetent_index
+@@ -125,18 +125,18 @@
+ bool same_result = (MyCache[n].last_used && MyCache[n].last_bufp == bufp);
+ if (same_result) {
+ CacheInx = n;
+- if (FIX_SGR0 != 0) {
++ if (FIX_SGR0 != NULL) {
+ FreeAndNull(FIX_SGR0);
+ }
+ /*
+ * Also free the terminfo data that we loaded (much bigger leak).
+ */
+- if (LAST_TRM != 0 && LAST_TRM != TerminalOf(SP_PARM)) {
++ if (LAST_TRM != NULL && LAST_TRM != TerminalOf(SP_PARM)) {
+ const TERMINAL *trm = LAST_TRM;
+ NCURSES_SP_NAME(del_curterm) (NCURSES_SP_ARGx LAST_TRM);
+ for (CacheInx = 0; CacheInx < TGETENT_MAX; ++CacheInx)
+ if (LAST_TRM == trm)
+- LAST_TRM = 0;
++ LAST_TRM = NULL;
+ CacheInx = n;
+ }
+ found_cache = TRUE;
+@@ -157,13 +157,13 @@
+ LAST_TRM = TerminalOf(SP_PARM);
+ LAST_SEQ = ++CacheSeq;
+ } else {
+- LAST_TRM = 0;
++ LAST_TRM = NULL;
+ }
+
+ PC = 0;
+- UP = 0;
+- BC = 0;
+- FIX_SGR0 = 0; /* don't free it - application may still use */
++ UP = NULL;
++ BC = NULL;
++ FIX_SGR0 = NULL; /* don't free it - application may still use */
+
+ if (rc == 1) {
+
+@@ -180,12 +180,12 @@
+ BC = backspace_if_not_bs;
+
+ if ((FIX_SGR0 = _nc_trim_sgr0(&TerminalType(TerminalOf(SP_PARM))))
+- != 0) {
++ != NULL) {
+ if (!strcmp(FIX_SGR0, exit_attribute_mode)) {
+ if (FIX_SGR0 != exit_attribute_mode) {
+ free(FIX_SGR0);
+ }
+- FIX_SGR0 = 0;
++ FIX_SGR0 = NULL;
+ }
+ }
+ LAST_BUF = bufp;
+@@ -246,7 +246,7 @@
+ int j = -1;
+
+ entry_ptr = _nc_find_type_entry(id, BOOLEAN, TRUE);
+- if (entry_ptr != 0) {
++ if (entry_ptr != NULL) {
+ j = entry_ptr->nte_index;
+ }
+ #if NCURSES_XNAMES
+@@ -298,7 +298,7 @@
+ int j = -1;
+
+ entry_ptr = _nc_find_type_entry(id, NUMBER, TRUE);
+- if (entry_ptr != 0) {
++ if (entry_ptr != NULL) {
+ j = entry_ptr->nte_index;
+ }
+ #if NCURSES_XNAMES
+@@ -350,7 +350,7 @@
+ int j = -1;
+
+ entry_ptr = _nc_find_type_entry(id, STRING, TRUE);
+- if (entry_ptr != 0) {
++ if (entry_ptr != NULL) {
+ j = entry_ptr->nte_index;
+ }
+ #if NCURSES_XNAMES
+@@ -371,12 +371,12 @@
+ /* setupterm forces canceled strings to null */
+ if (VALID_STRING(result)) {
+ if (result == exit_attribute_mode
+- && FIX_SGR0 != 0) {
++ && FIX_SGR0 != NULL) {
+ result = FIX_SGR0;
+ TR(TRACE_DATABASE, ("altered to : %s", _nc_visbuf(result)));
+ }
+- if (area != 0
+- && *area != 0) {
++ if (area != NULL
++ && *area != NULL) {
+ _nc_STRCPY(*area, result, 1024);
+ result = *area;
+ *area += strlen(*area) + 1;
+@@ -401,13 +401,13 @@
+ NCURSES_EXPORT(void)
+ _nc_tgetent_leak(const TERMINAL *const termp)
+ {
+- if (termp != 0) {
++ if (termp != NULL) {
+ int num;
+ for (CacheInx = 0; CacheInx < TGETENT_MAX; ++CacheInx) {
+ if (LAST_TRM == termp) {
+ FreeAndNull(FIX_SGR0);
+- if (LAST_TRM != 0) {
+- LAST_TRM = 0;
++ if (LAST_TRM != NULL) {
++ LAST_TRM = NULL;
+ }
+ break;
+ }
+@@ -420,7 +420,7 @@
+ {
+ int num;
+ for (CacheInx = 0; CacheInx < TGETENT_MAX; ++CacheInx) {
+- if (LAST_TRM != 0) {
++ if (LAST_TRM != NULL) {
+ del_curterm(LAST_TRM);
+ _nc_tgetent_leak(LAST_TRM);
+ }
+Index: ncurses/tinfo/lib_termname.c
+Prereq: 1.13
+--- ncurses-6.5-20241130+/ncurses/tinfo/lib_termname.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/lib_termname.c 2024-12-07 20:05:27.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2003,2009 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -29,17 +29,17 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_termname.c,v 1.13 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_termname.c,v 1.14 2024/12/07 20:05:27 tom Exp $")
+
+ NCURSES_EXPORT(char *)
+ NCURSES_SP_NAME(termname) (NCURSES_SP_DCL0)
+ {
+- char *name = 0;
++ char *name = NULL;
+
+ T((T_CALLED("termname(%p)"), (void *) SP_PARM));
+
+ #if NCURSES_SP_FUNCS
+- if (TerminalOf(SP_PARM) != 0) {
++ if (TerminalOf(SP_PARM) != NULL) {
+ name = TerminalOf(SP_PARM)->_termname;
+ }
+ #else
+Index: ncurses/tinfo/lib_ti.c
+Prereq: 1.34
+--- ncurses-6.5-20241130+/ncurses/tinfo/lib_ti.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/lib_ti.c 2024-12-07 20:06:49.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2018,2020 Thomas E. Dickey *
++ * Copyright 2018-2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2016,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -37,7 +37,7 @@
+
+ #include <tic.h>
+
+-MODULE_ID("$Id: lib_ti.c,v 1.34 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_ti.c,v 1.35 2024/12/07 20:06:49 tom Exp $")
+
+ #if 0
+ static bool
+@@ -63,7 +63,7 @@
+ int j = -1;
+
+ entry_ptr = _nc_find_type_entry(str, BOOLEAN, FALSE);
+- if (entry_ptr != 0) {
++ if (entry_ptr != NULL) {
+ j = entry_ptr->nte_index;
+ }
+ #if NCURSES_XNAMES
+@@ -108,7 +108,7 @@
+ int j = -1;
+
+ entry_ptr = _nc_find_type_entry(str, NUMBER, FALSE);
+- if (entry_ptr != 0) {
++ if (entry_ptr != NULL) {
+ j = entry_ptr->nte_index;
+ }
+ #if NCURSES_XNAMES
+@@ -155,7 +155,7 @@
+ int j = -1;
+
+ entry_ptr = _nc_find_type_entry(str, STRING, FALSE);
+- if (entry_ptr != 0) {
++ if (entry_ptr != NULL) {
+ j = entry_ptr->nte_index;
+ }
+ #if NCURSES_XNAMES
+Index: ncurses/tinfo/lib_tparm.c
+Prereq: 1.154
+--- ncurses-6.5-20241130+/ncurses/tinfo/lib_tparm.c 2024-07-27 19:22:23.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/lib_tparm.c 2024-12-07 18:26:59.000000000 +0000
+@@ -53,7 +53,7 @@
+ #include <ctype.h>
+ #include <tic.h>
+
+-MODULE_ID("$Id: lib_tparm.c,v 1.154 2024/07/27 19:22:23 tom Exp $")
++MODULE_ID("$Id: lib_tparm.c,v 1.155 2024/12/07 18:26:59 tom Exp $")
+
+ /*
+ * char *
+@@ -343,7 +343,7 @@
+ #define spop(tps) \
+ ((TPS(stack_ptr)-- > 0) \
+ ? ((!TPS(stack)[TPS(stack_ptr)].num_type \
+- && TPS(stack)[TPS(stack_ptr)].data.str != 0) \
++ && TPS(stack)[TPS(stack_ptr)].data.str != NULL) \
+ ? TPS(stack)[TPS(stack_ptr)].data.str \
+ : dummy) \
+ : (tparm_error(tps, "spop: stack underflow"), \
+@@ -361,7 +361,7 @@
+ parse_format(const char *s, char *format, int *len)
+ {
+ *len = 0;
+- if (format != 0) {
++ if (format != NULL) {
+ bool done = FALSE;
+ bool allowminus = FALSE;
+ bool dot = FALSE;
+@@ -475,13 +475,13 @@
+ int level = -1;
+ const char *cp = string;
+
+- if (cp == 0)
++ if (cp == NULL)
+ return 0;
+
+ if ((len2 = strlen(cp)) + 2 > TPS(fmt_size)) {
+ TPS(fmt_size) += len2 + 2;
+ TPS(fmt_buff) = typeRealloc(char, TPS(fmt_size), TPS(fmt_buff));
+- if (TPS(fmt_buff) == 0)
++ if (TPS(fmt_buff) == NULL)
+ return 0;
+ }
+
+@@ -616,14 +616,14 @@
+ void *ft;
+
+ result->format = string;
+- if ((ft = tfind(result, &MyCache, cmp_format)) != 0) {
++ if ((ft = tfind(result, &MyCache, cmp_format)) != NULL) {
+ size_t len2;
+ fs = *(TPARM_DATA **) ft;
+ *result = *fs;
+ if ((len2 = strlen(string)) + 2 > TPS(fmt_size)) {
+ TPS(fmt_size) += len2 + 2;
+ TPS(fmt_buff) = typeRealloc(char, TPS(fmt_size), TPS(fmt_buff));
+- if (TPS(fmt_buff) == 0)
++ if (TPS(fmt_buff) == NULL)
+ return ERR;
+ }
+ } else
+@@ -637,7 +637,7 @@
+ result->num_parsed = _nc_tparm_analyze(term, string,
+ result->p_is_s,
+ &(result->num_popped));
+- if (TPS(fmt_buff) == 0) {
++ if (TPS(fmt_buff) == NULL) {
+ TR(TRACE_CALLS, ("%s: error in analysis", TPS(tname)));
+ rc = ERR;
+ } else {
+@@ -654,10 +654,10 @@
+ result->tparm_type |= (1 << n);
+ }
+ #if HAVE_TSEARCH
+- if ((fs = typeCalloc(TPARM_DATA, 1)) != 0) {
++ if ((fs = typeCalloc(TPARM_DATA, 1)) != NULL) {
+ *fs = *result;
+- if ((fs->format = strdup(string)) != 0) {
+- if (tsearch(fs, &MyCache, cmp_format) != 0) {
++ if ((fs->format = strdup(string)) != NULL) {
++ if (tsearch(fs, &MyCache, cmp_format) != NULL) {
+ ++MyCount;
+ } else {
+ free(fs);
+@@ -690,9 +690,9 @@
+ int i;
+
+ for (i = 0; i < data->num_actual; i++) {
+- if (data->p_is_s[i] != 0) {
++ if (data->p_is_s[i] != NULL) {
+ char *value = va_arg(ap, char *);
+- if (value == 0)
++ if (value == NULL)
+ value = dummy;
+ data->p_is_s[i] = value;
+ data->param[i] = 0;
+@@ -740,7 +740,7 @@
+ if (USE_TRACEF(TRACE_CALLS)) {
+ int i;
+ for (i = 0; i < data->num_actual; i++) {
+- if (data->p_is_s[i] != 0) {
++ if (data->p_is_s[i] != NULL) {
+ save_text(tps, ", %s", _nc_visbuf(data->p_is_s[i]), 0);
+ } else if ((long) data->param[i] > MAX_OF_TYPE(NCURSES_INT2) ||
+ (long) data->param[i] < 0) {
+@@ -1003,12 +1003,12 @@
+ */
+ if (!incremented_two) {
+ incremented_two = TRUE;
+- if (data->p_is_s[0] == 0) {
++ if (data->p_is_s[0] == NULL) {
+ data->param[0]++;
+ if (termcap_hack)
+ TPS(stack)[0].data.num = (int) data->param[0];
+ }
+- if (data->p_is_s[1] == 0) {
++ if (data->p_is_s[1] == NULL) {
+ data->param[1]++;
+ if (termcap_hack)
+ TPS(stack)[1].data.num = (int) data->param[1];
+Index: ncurses/tinfo/lib_tputs.c
+Prereq: 1.113
+--- ncurses-6.5-20241130+/ncurses/tinfo/lib_tputs.c 2024-09-14 23:11:32.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/lib_tputs.c 2024-12-07 21:04:53.000000000 +0000
+@@ -52,7 +52,7 @@
+ #include <termcap.h> /* ospeed */
+ #include <tic.h>
+
+-MODULE_ID("$Id: lib_tputs.c,v 1.113 2024/09/14 23:11:32 tom Exp $")
++MODULE_ID("$Id: lib_tputs.c,v 1.115 2024/12/07 21:04:53 tom Exp $")
+
+ NCURSES_EXPORT_VAR(char) PC = 0; /* used by termcap library */
+ NCURSES_EXPORT_VAR(NCURSES_OSPEED) ospeed = 0; /* used by termcap library */
+@@ -63,7 +63,7 @@
+ NCURSES_EXPORT(void)
+ _nc_set_no_padding(SCREEN *sp)
+ {
+- bool no_padding = (getenv("NCURSES_NO_PADDING") != 0);
++ bool no_padding = (getenv("NCURSES_NO_PADDING") != NULL);
+
+ if (sp)
+ sp->_no_padding = no_padding;
+@@ -124,7 +124,7 @@
+ NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_DCL0)
+ {
+ T((T_CALLED("_nc_flush(%p)"), (void *) SP_PARM));
+- if (SP_PARM != 0 && SP_PARM->_ofd >= 0) {
++ if (SP_PARM != NULL && SP_PARM->_ofd >= 0) {
+ TR(TRACE_CHARPUT, ("ofd:%d inuse:%lu buffer:%p",
+ SP_PARM->_ofd,
+ (unsigned long) SP_PARM->out_inuse,
+@@ -149,7 +149,7 @@
+ break; /* an error we can not recover from */
+ }
+ }
+- } else if (SP_PARM->out_buffer == 0) {
++ } else if (SP_PARM->out_buffer == NULL) {
+ TR(TRACE_CHARPUT, ("flushing stdout/stderr"));
+ fflush(stdout);
+ fflush(stderr);
+@@ -159,7 +159,7 @@
+ fflush(stdout);
+ fflush(stderr);
+ }
+- if (SP_PARM != 0)
++ if (SP_PARM != NULL)
+ SP_PARM->out_inuse = 0;
+ returnVoid;
+ }
+@@ -180,8 +180,8 @@
+ COUNT_OUTCHARS(1);
+
+ if (HasTInfoTerminal(SP_PARM)
+- && SP_PARM != 0) {
+- if (SP_PARM->out_buffer != 0) {
++ && SP_PARM != NULL) {
++ if (SP_PARM->out_buffer != NULL) {
+ if (SP_PARM->out_inuse + 1 >= SP_PARM->out_limit)
+ NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
+ SP_PARM->out_buffer[SP_PARM->out_inuse++] = (char) ch;
+@@ -259,7 +259,7 @@
+ {
+ int rc = ERR;
+
+- if (string != 0) {
++ if (string != NULL) {
+ TPUTS_TRACE(name);
+ rc = NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
+ string, 1, NCURSES_SP_NAME(_nc_outch));
+@@ -314,10 +314,10 @@
+ if (!VALID_STRING(string))
+ return ERR;
+
+- if (SP_PARM != 0 && HasTInfoTerminal(SP_PARM)) {
++ if (SP_PARM != NULL && HasTInfoTerminal(SP_PARM)) {
+ if (
+ #if NCURSES_SP_FUNCS
+- (SP_PARM != 0 && SP_PARM->_term == 0)
++ (SP_PARM != NULL && SP_PARM->_term == NULL)
+ #else
+ cur_term == 0
+ #endif
+@@ -444,7 +444,7 @@
+ NCURSES_EXPORT(int)
+ _nc_outc_wrapper(SCREEN *sp, int c)
+ {
+- if (0 == sp) {
++ if (NULL == sp) {
+ return fputc(c, stdout);
+ } else {
+ return sp->jump(c);
+Index: ncurses/tinfo/lib_ttyflags.c
+Prereq: 1.36
+--- ncurses-6.5-20241130+/ncurses/tinfo/lib_ttyflags.c 2020-09-05 22:54:47.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/lib_ttyflags.c 2024-12-07 21:24:18.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2016,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -42,7 +42,7 @@
+ #define CUR SP_TERMTYPE
+ #endif
+
+-MODULE_ID("$Id: lib_ttyflags.c,v 1.36 2020/09/05 22:54:47 tom Exp $")
++MODULE_ID("$Id: lib_ttyflags.c,v 1.37 2024/12/07 21:24:18 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ NCURSES_SP_NAME(_nc_get_tty_mode) (NCURSES_SP_DCLx TTY * buf)
+@@ -50,7 +50,7 @@
+ TERMINAL *termp = TerminalOf(SP_PARM);
+ int result = OK;
+
+- if (buf == 0 || termp == 0) {
++ if (buf == NULL || termp == NULL) {
+ result = ERR;
+ } else {
+
+@@ -75,7 +75,7 @@
+ termp ? termp->Filedes : -1,
+ _nc_trace_ttymode(buf)));
+ }
+- if (result == ERR && buf != 0)
++ if (result == ERR && buf != NULL)
+ memset(buf, 0, sizeof(*buf));
+
+ return (result);
+@@ -94,12 +94,12 @@
+ {
+ int result = OK;
+
+- if (buf == 0 || SP_PARM == 0) {
++ if (buf == NULL || SP_PARM == NULL) {
+ result = ERR;
+ } else {
+ TERMINAL *termp = TerminalOf(SP_PARM);
+
+- if (0 == termp) {
++ if (NULL == termp) {
+ result = ERR;
+ } else {
+ #ifdef USE_TERM_DRIVER
+@@ -113,7 +113,7 @@
+ ) {
+ if (errno == EINTR)
+ continue;
+- if ((errno == ENOTTY) && (SP_PARM != 0))
++ if ((errno == ENOTTY) && (SP_PARM != NULL))
+ SP_PARM->_notty = TRUE;
+ result = ERR;
+ }
+@@ -145,7 +145,7 @@
+ T((T_CALLED("def_shell_mode(%p) ->term %p"),
+ (void *) SP_PARM, (void *) termp));
+
+- if (termp != 0) {
++ if (termp != NULL) {
+ #ifdef USE_TERM_DRIVER
+ rc = CallDriver_2(SP_PARM, td_mode, FALSE, TRUE);
+ #else
+@@ -185,7 +185,7 @@
+
+ T((T_CALLED("def_prog_mode(%p) ->term %p"), (void *) SP_PARM, (void *) termp));
+
+- if (termp != 0) {
++ if (termp != NULL) {
+ #ifdef USE_TERM_DRIVER
+ rc = CallDriver_2(SP_PARM, td_mode, TRUE, TRUE);
+ #else
+@@ -223,7 +223,7 @@
+
+ T((T_CALLED("reset_prog_mode(%p) ->term %p"), (void *) SP_PARM, (void *) termp));
+
+- if (termp != 0) {
++ if (termp != NULL) {
+ #ifdef USE_TERM_DRIVER
+ rc = CallDriver_2(SP_PARM, td_mode, TRUE, FALSE);
+ #else
+@@ -256,7 +256,7 @@
+ T((T_CALLED("reset_shell_mode(%p) ->term %p"),
+ (void *) SP_PARM, (void *) termp));
+
+- if (termp != 0) {
++ if (termp != NULL) {
+ #ifdef USE_TERM_DRIVER
+ rc = CallDriver_2(SP_PARM, td_mode, FALSE, FALSE);
+ #else
+@@ -281,12 +281,12 @@
+ static TTY *
+ saved_tty(NCURSES_SP_DCL0)
+ {
+- TTY *result = 0;
++ TTY *result = NULL;
+
+- if (SP_PARM != 0) {
++ if (SP_PARM != NULL) {
+ result = (TTY *) & (SP_PARM->_saved_tty);
+ } else {
+- if (_nc_prescreen.saved_tty == 0) {
++ if (_nc_prescreen.saved_tty == NULL) {
+ _nc_prescreen.saved_tty = typeCalloc(TTY, 1);
+ }
+ result = _nc_prescreen.saved_tty;
+Index: ncurses/tinfo/make_hash.c
+Prereq: 1.34
+--- ncurses-6.5-20241130+/ncurses/tinfo/make_hash.c 2024-03-02 19:35:40.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/make_hash.c 2024-12-07 20:51:15.000000000 +0000
+@@ -44,7 +44,7 @@
+
+ #include <ctype.h>
+
+-MODULE_ID("$Id: make_hash.c,v 1.34 2024/03/02 19:35:40 tom Exp $")
++MODULE_ID("$Id: make_hash.c,v 1.36 2024/12/07 20:51:15 tom Exp $")
+
+ /*
+ * _nc_make_hash_table()
+@@ -79,7 +79,7 @@
+ {
+ size_t need = strlen(s) + 1;
+ char *result = malloc(need);
+- if (result == 0)
++ if (result == NULL)
+ failed("strmalloc");
+ _nc_STRCPY(result, s, need);
+ return result;
+@@ -153,7 +153,7 @@
+ count_columns(char **list)
+ {
+ int result = 0;
+- if (list != 0) {
++ if (list != NULL) {
+ while (*list++) {
+ ++result;
+ }
+@@ -168,17 +168,17 @@
+
+ int col = 0;
+
+- if (buffer == 0) {
++ if (buffer == NULL) {
+ free(list);
+- list = 0;
+- return 0;
++ list = NULL;
++ return NULL;
+ }
+
+ if (*buffer != '#') {
+- if (list == 0) {
++ if (list == NULL) {
+ list = typeCalloc(char *, (MAX_COLUMNS + 1));
+- if (list == 0)
+- return (0);
++ if (list == NULL)
++ return (NULL);
+ }
+ while (*buffer != '\0') {
+ char *s;
+@@ -205,7 +205,7 @@
+ break;
+ }
+ }
+- return col ? list : 0;
++ return col ? list : NULL;
+ }
+
+ #define SetType(n,t) \
+@@ -272,8 +272,8 @@
+ || (column >= MAX_COLUMNS)
+ || *(root_name = argv[2]) == 0
+ || (bigstring = atoi(argv[3])) < 0
+- || name_table == 0
+- || hash_table == 0) {
++ || name_table == NULL
++ || hash_table == NULL) {
+ fprintf(stderr, "usage: make_hash column root_name bigstring\n");
+ exit(EXIT_FAILURE);
+ }
+@@ -291,7 +291,7 @@
+ else
+ buffer[sizeof(buffer) - 2] = '\0';
+ list = parse_columns(buffer);
+- if (list == 0) /* blank or comment */
++ if (list == NULL) /* blank or comment */
+ continue;
+ if (is_user) {
+ if (strcmp(list[0], "userdef"))
+@@ -382,15 +382,15 @@
+ printf("\t%d,%d,",
+ name_table[n].ute_argc,
+ name_table[n].ute_args);
+- printf("\t%3d, %3d %s%c\n",
++ printf("\t%3d, %3d %s%s\n",
+ name_table[n].ute_index,
+ name_table[n].ute_link,
+ R_BRACE,
+- n < tablesize - 1 ? ',' : ' ');
++ n < tablesize - 1 ? "," : "");
+ len += (int) strlen(name_table[n].ute_name) + 1;
+ }
+ printf("%s;\n\n", R_BRACE);
+- printf("static struct %s_table_entry *_nc_%s_table = 0;\n\n",
++ printf("static struct %s_table_entry *_nc_%s_table = NULL;\n\n",
+ table_name,
+ root_name);
+ } else {
+@@ -407,11 +407,11 @@
+ printf("\t%d,%d,",
+ name_table[n].ute_argc,
+ name_table[n].ute_args);
+- printf("\t%3d, %3d %s%c\n",
++ printf("\t%3d, %3d %s%s\n",
+ name_table[n].ute_index,
+ name_table[n].ute_link,
+ R_BRACE,
+- n < tablesize - 1 ? ',' : ' ');
++ n < tablesize - 1 ? "," : "");
+ }
+ printf("%s;\n\n", R_BRACE);
+ }
+@@ -439,7 +439,7 @@
+ free((void *) name_table[n].ute_name);
+ }
+ free(name_table);
+- parse_columns(0);
++ parse_columns(NULL);
+
+ return EXIT_SUCCESS;
+ }
+Index: ncurses/tinfo/make_keys.c
+Prereq: 1.23
+--- ncurses-6.5-20241130+/ncurses/tinfo/make_keys.c 2021-08-18 20:55:25.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/make_keys.c 2024-12-07 20:06:49.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2021 Thomas E. Dickey *
++ * Copyright 2020-2021,2024 Thomas E. Dickey *
+ * Copyright 1998-2011,2015 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -40,7 +40,7 @@
+ #define USE_TERMLIB 1
+ #include <build.priv.h>
+
+-MODULE_ID("$Id: make_keys.c,v 1.23 2021/08/18 20:55:25 tom Exp $")
++MODULE_ID("$Id: make_keys.c,v 1.24 2024/12/07 20:06:49 tom Exp $")
+
+ #include <names.c>
+
+@@ -51,10 +51,10 @@
+
+ if (result == 0) {
+ unsigned n;
+- for (n = 0; strnames[n] != 0; n++) {
++ for (n = 0; strnames[n] != NULL; n++) {
+ ++result;
+ }
+- for (n = 0; strfnames[n] != 0; n++) {
++ for (n = 0; strfnames[n] != NULL; n++) {
+ ++result;
+ }
+ }
+@@ -66,14 +66,14 @@
+ {
+ unsigned n;
+ bool found = FALSE;
+- for (n = 0; strnames[n] != 0; n++) {
++ for (n = 0; strnames[n] != NULL; n++) {
+ if (!strcmp(name, strnames[n])) {
+ found = TRUE;
+ break;
+ }
+ }
+ if (!found) {
+- for (n = 0; strfnames[n] != 0; n++) {
++ for (n = 0; strfnames[n] != NULL; n++) {
+ if (!strcmp(name, strfnames[n])) {
+ found = TRUE;
+ break;
+@@ -93,7 +93,7 @@
+ unsigned maxlen = 16;
+ int scanned;
+
+- while (fgets(buffer, (int) sizeof(buffer), ifp) != 0) {
++ while (fgets(buffer, (int) sizeof(buffer), ifp) != NULL) {
+ if (*buffer == '#')
+ continue;
+
+@@ -119,7 +119,7 @@
+ static void
+ write_list(FILE *ofp, const char **list)
+ {
+- while (*list != 0)
++ while (*list != NULL)
+ fprintf(ofp, "%s\n", *list++);
+ }
+
+@@ -139,14 +139,14 @@
+ "static",
+ "#endif",
+ "const struct tinfo_fkeys _nc_tinfo_fkeys[] = {",
+- 0
++ NULL
+ };
+ static const char *suffix[] =
+ {
+ "\t{ 0, 0} };",
+ "",
+ "#endif /* _INIT_KEYTRY_H */",
+- 0
++ NULL
+ };
+
+ write_list(stdout, prefix);
+@@ -154,7 +154,7 @@
+ int n;
+ for (n = 1; n < argc; n++) {
+ FILE *fp = fopen(argv[n], "r");
+- if (fp != 0) {
++ if (fp != NULL) {
+ make_keys(fp, stdout);
+ fclose(fp);
+ }
+Index: ncurses/tinfo/name_match.c
+Prereq: 1.25
+--- ncurses-6.5-20241130+/ncurses/tinfo/name_match.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/name_match.c 2024-12-07 21:24:18.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2013,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -34,7 +34,7 @@
+ #include <curses.priv.h>
+ #include <tic.h>
+
+-MODULE_ID("$Id: name_match.c,v 1.25 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: name_match.c,v 1.26 2024/12/07 21:24:18 tom Exp $")
+
+ #define FirstName _nc_globals.first_name
+
+@@ -60,17 +60,17 @@
+ _nc_first_name(const char *const sp)
+ {
+ #if NO_LEAKS
+- if (sp == 0) {
+- if (FirstName != 0) {
++ if (sp == NULL) {
++ if (FirstName != NULL) {
+ FreeAndNull(FirstName);
+ }
+ } else
+ #endif
+ {
+- if (FirstName == 0)
++ if (FirstName == NULL)
+ FirstName = typeMalloc(char, MAX_NAME_SIZE + 1);
+
+- if (FirstName != 0) {
++ if (FirstName != NULL) {
+ unsigned n;
+ const char *src = sp;
+ #if NCURSES_USE_TERMCAP && NCURSES_XNAMES
+@@ -95,7 +95,7 @@
+ {
+ const char *s;
+
+- if ((s = namelst) != 0) {
++ if ((s = namelst) != NULL) {
+ while (*s != '\0') {
+ const char *d, *t;
+ int code, found;
+Index: ncurses/tinfo/obsolete.c
+Prereq: 1.11
+--- ncurses-6.5-20241130+/ncurses/tinfo/obsolete.c 2023-10-21 15:38:47.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/obsolete.c 2024-12-07 21:24:18.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2023 Thomas E. Dickey *
++ * Copyright 2020-2023,2024 Thomas E. Dickey *
+ * Copyright 2013-2014,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -37,7 +37,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: obsolete.c,v 1.11 2023/10/21 15:38:47 tom Exp $")
++MODULE_ID("$Id: obsolete.c,v 1.12 2024/12/07 21:24:18 tom Exp $")
+
+ /*
+ * Obsolete entrypoint retained for binary compatibility.
+@@ -126,7 +126,7 @@
+ rc = 0;
+ }
+
+- if (target != 0) {
++ if (target != NULL) {
+ switch (rc) {
+ case 1:
+ target[0] = CH(0);
+@@ -225,7 +225,7 @@
+ }
+ }
+
+- if (target != 0) {
++ if (target != NULL) {
+ int shift = 0;
+ *target = 0;
+ for (j = 1; j < rc; j++) {
+Index: ncurses/tinfo/parse_entry.c
+Prereq: 1.111
+--- ncurses-6.5-20241130+/ncurses/tinfo/parse_entry.c 2024-11-23 18:49:08.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/parse_entry.c 2024-12-07 21:13:36.000000000 +0000
+@@ -48,7 +48,7 @@
+ #include <ctype.h>
+ #include <tic.h>
+
+-MODULE_ID("$Id: parse_entry.c,v 1.111 2024/11/23 18:49:08 tom Exp $")
++MODULE_ID("$Id: parse_entry.c,v 1.112 2024/12/07 21:13:36 tom Exp $")
+
+ #ifdef LINT
+ static short const parametrized[] =
+@@ -204,7 +204,7 @@
+ {
+ struct user_table_entry const *entry = _nc_find_user_entry(name);
+ bool result = TRUE;
+- if ((entry != 0) && (token_type != CANCEL)) {
++ if ((entry != NULL) && (token_type != CANCEL)) {
+ int have_type = (1 << token_type);
+ if (!(entry->ute_type & have_type)) {
+ if (!silent)
+@@ -332,7 +332,7 @@
+
+ entryp->tterm.str_table = entryp->tterm.term_names = _nc_save_str(ptr);
+
+- if (entryp->tterm.str_table == 0)
++ if (entryp->tterm.str_table == NULL)
+ returnDB(ERR);
+
+ DEBUG(2, ("Starting '%s'", ptr));
+@@ -350,7 +350,7 @@
+ _nc_set_type(name);
+
+ /* check for overly-long names and aliases */
+- for (base = entryp->tterm.term_names; (ptr = strchr(base, '|')) != 0;
++ for (base = entryp->tterm.term_names; (ptr = strchr(base, '|')) != NULL;
+ base = ptr + 1) {
+ if (ptr - base > MAX_ALIAS) {
+ _nc_warning("%s `%.*s' may be too long",
+@@ -459,7 +459,7 @@
+ if (expected_type(_nc_curr_token.tk_name, token_type, silent)) {
+ if ((entry_ptr = _nc_extend_names(entryp,
+ _nc_curr_token.tk_name,
+- token_type)) != 0) {
++ token_type)) != NULL) {
+ if (_nc_tracing >= DEBUG_LEVEL(1)) {
+ _nc_warning("extended capability '%s'",
+ _nc_curr_token.tk_name);
+@@ -629,7 +629,7 @@
+ * have picked up defaults via translation.
+ */
+ for (i = 0; i < entryp->nuses; i++) {
+- if (entryp->uses[i].name != 0
++ if (entryp->uses[i].name != NULL
+ && !strchr(entryp->uses[i].name, '+'))
+ has_base_entry = TRUE;
+ }
+@@ -697,7 +697,7 @@
+ static void
+ append_acs0(string_desc * dst, int code, const char *src, size_t off)
+ {
+- if (src != 0 && off < strlen(src)) {
++ if (src != NULL && off < strlen(src)) {
+ char temp[3];
+ temp[0] = (char) code;
+ temp[1] = src[off];
+@@ -929,15 +929,15 @@
+
+ /* we're going to use this for a special case later */
+ dp = strchr(other_non_function_keys, 'i');
+- foundim = (dp != 0) && (dp[1] == 'm');
++ foundim = (dp != NULL) && (dp[1] == 'm');
+
+ /* look at each comma-separated capability in the ko string... */
+ for (base = other_non_function_keys;
+- (cp = strchr(base, ',')) != 0;
++ (cp = strchr(base, ',')) != NULL;
+ base = cp + 1) {
+ size_t len = (unsigned) (cp - base);
+ size_t n;
+- assoc const *ap = 0;
++ assoc const *ap = NULL;
+
+ for (n = 0; n < SIZEOF(ko_xlate); ++n) {
+ if (len == strlen(ko_xlate[n].from)
+@@ -946,7 +946,7 @@
+ break;
+ }
+ }
+- if (ap == 0) {
++ if (ap == NULL) {
+ _nc_warning("unknown capability `%.*s' in ko string",
+ (int) len, base);
+ continue;
+@@ -1143,7 +1143,7 @@
+ return NOTFOUND;
+ }
+
+- for (count = 0; names[count] != 0; count++) {
++ for (count = 0; names[count] != NULL; count++) {
+ if (!strcmp(names[count], find)) {
+ struct name_table_entry const *entry_ptr = _nc_get_table(FALSE);
+ while (entry_ptr->nte_type != state
+Index: ncurses/tinfo/read_entry.c
+Prereq: 1.173
+--- ncurses-6.5-20241130+/ncurses/tinfo/read_entry.c 2024-07-27 23:07:02.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/read_entry.c 2024-12-07 21:02:00.000000000 +0000
+@@ -42,7 +42,7 @@
+
+ #include <tic.h>
+
+-MODULE_ID("$Id: read_entry.c,v 1.173 2024/07/27 23:07:02 tom Exp $")
++MODULE_ID("$Id: read_entry.c,v 1.174 2024/12/07 21:02:00 tom Exp $")
+
+ #define MyNumber(n) (short) LOW_MSB(n)
+
+@@ -237,11 +237,11 @@
+ tp->ext_Numbers = 0;
+ tp->ext_Strings = 0;
+ #endif
+- if (tp->Booleans == 0)
++ if (tp->Booleans == NULL)
+ TYPE_MALLOC(NCURSES_SBOOL, BOOLCOUNT, tp->Booleans);
+- if (tp->Numbers == 0)
++ if (tp->Numbers == NULL)
+ TYPE_MALLOC(NCURSES_INT2, NUMCOUNT, tp->Numbers);
+- if (tp->Strings == 0)
++ if (tp->Strings == NULL)
+ TYPE_MALLOC(char *, STRCOUNT, tp->Strings);
+
+ for_each_boolean(i, tp)
+@@ -346,7 +346,7 @@
+ want = (unsigned) (str_size + name_size + 1);
+ /* try to allocate space for the string table */
+ if (str_count * SIZEOF_SHORT >= max_entry_size
+- || (string_table = typeMalloc(char, want)) == 0) {
++ || (string_table = typeMalloc(char, want)) == NULL) {
+ returnDB(TGETENT_NO);
+ }
+
+@@ -483,7 +483,7 @@
+
+ if (ext_str_limit) {
+ ptr->ext_str_table = typeMalloc(char, (size_t) ext_str_limit);
+- if (ptr->ext_str_table == 0) {
++ if (ptr->ext_str_table == NULL) {
+ returnDB(TGETENT_NO);
+ }
+ if (Read(ptr->ext_str_table, (unsigned) ext_str_limit) != ext_str_limit) {
+@@ -582,11 +582,11 @@
+ _nc_read_file_entry(const char *const filename, TERMTYPE2 *ptr)
+ /* return 1 if read, 0 if not found or garbled */
+ {
+- FILE *fp = 0;
++ FILE *fp = NULL;
+ int code;
+
+ if (_nc_access(filename, R_OK) < 0
+- || (fp = safe_fopen(filename, BIN_R)) == 0) {
++ || (fp = safe_fopen(filename, BIN_R)) == NULL) {
+ TR(TRACE_DATABASE, ("cannot open terminfo %s (errno=%d)", filename, errno));
+ code = TGETENT_NO;
+ } else {
+@@ -881,7 +881,7 @@
+ {
+ int code = TGETENT_NO;
+
+- if (name == 0)
++ if (name == NULL)
+ return _nc_read_entry2("", filename, tp);
+
+ _nc_SPRINTF(filename, _nc_SLIMIT(PATH_MAX)
+@@ -891,7 +891,7 @@
+ || strcmp(name, ".") == 0
+ || strcmp(name, "..") == 0
+ || _nc_pathlast(name) != 0
+- || strchr(name, NCURSES_PATHSEP) != 0) {
++ || strchr(name, NCURSES_PATHSEP) != NULL) {
+ TR(TRACE_DATABASE, ("illegal or missing entry name '%s'", name));
+ } else {
+ #if NCURSES_USE_DATABASE
+@@ -901,7 +901,7 @@
+
+ _nc_first_db(&state, &offset);
+ code = TGETENT_ERR;
+- while ((path = _nc_next_db(&state, &offset)) != 0) {
++ while ((path = _nc_next_db(&state, &offset)) != NULL) {
+ code = _nc_read_tic_entry(filename, PATH_MAX, path, name, tp);
+ if (code == TGETENT_YES) {
+ _nc_last_db();
+Index: ncurses/tinfo/strings.c
+Prereq: 1.11
+--- ncurses-6.5-20241130+/ncurses/tinfo/strings.c 2023-05-27 20:13:10.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/strings.c 2024-12-07 21:24:18.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2023 Thomas E. Dickey *
++ * Copyright 2020-2023,2024 Thomas E. Dickey *
+ * Copyright 2000-2012,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -38,7 +38,7 @@
+ #include <curses.priv.h>
+ #include <tic.h>
+
+-MODULE_ID("$Id: strings.c,v 1.11 2023/05/27 20:13:10 tom Exp $")
++MODULE_ID("$Id: strings.c,v 1.12 2024/12/07 21:24:18 tom Exp $")
+
+ /****************************************************************************
+ * Useful string functions (especially for mvcur)
+@@ -71,12 +71,12 @@
+ NCURSES_EXPORT(string_desc *)
+ _nc_str_init(string_desc * dst, char *src, size_t len)
+ {
+- if (dst != 0) {
++ if (dst != NULL) {
+ dst->s_head = src;
+ dst->s_tail = src;
+ dst->s_size = len - 1;
+ dst->s_init = dst->s_size;
+- if (src != 0)
++ if (src != NULL)
+ *src = 0;
+ }
+ return dst;
+@@ -88,7 +88,7 @@
+ NCURSES_EXPORT(string_desc *)
+ _nc_str_null(string_desc * dst, size_t len)
+ {
+- return _nc_str_init(dst, 0, len);
++ return _nc_str_init(dst, NULL, len);
+ }
+
+ /*
+@@ -111,7 +111,7 @@
+ size_t len = strlen(src);
+
+ if (len < dst->s_size) {
+- if (dst->s_tail != 0) {
++ if (dst->s_tail != NULL) {
+ _nc_STRCPY(dst->s_tail, src, dst->s_size);
+ dst->s_tail += len;
+ }
+@@ -132,7 +132,7 @@
+ size_t len = strlen(src);
+
+ if (len < dst->s_size) {
+- if (dst->s_head != 0) {
++ if (dst->s_head != NULL) {
+ _nc_STRCPY(dst->s_head, src, dst->s_size);
+ dst->s_tail = dst->s_head + len;
+ }
+Index: ncurses/tinfo/trim_sgr0.c
+Prereq: 1.25
+--- ncurses-6.5-20241130+/ncurses/tinfo/trim_sgr0.c 2024-10-19 21:18:18.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/trim_sgr0.c 2024-12-07 21:02:59.000000000 +0000
+@@ -37,7 +37,7 @@
+
+ #include <tic.h>
+
+-MODULE_ID("$Id: trim_sgr0.c,v 1.25 2024/10/19 21:18:18 tom Exp $")
++MODULE_ID("$Id: trim_sgr0.c,v 1.26 2024/12/07 21:02:59 tom Exp $")
+
+ #undef CUR
+ #define CUR tp->
+@@ -52,7 +52,7 @@
+ if (PRESENT(value))
+ result = strdup(value);
+ else
+- result = 0;
++ result = NULL;
+ return result;
+ }
+
+@@ -60,7 +60,7 @@
+ is_csi(const char *s)
+ {
+ int result = 0;
+- if (s != 0) {
++ if (s != NULL) {
+ if (UChar(s[0]) == CSI_CHR)
+ result = 1;
+ else if (s[0] == ESC_CHR && s[1] == L_BLOCK)
+@@ -101,7 +101,7 @@
+ static bool
+ rewrite_sgr(char *s, const char *attr)
+ {
+- if (s != 0) {
++ if (s != NULL) {
+ if (PRESENT(attr)) {
+ size_t len_s = strlen(s);
+ size_t len_a = strlen(attr);
+@@ -125,7 +125,7 @@
+ similar_sgr(char *a, char *b)
+ {
+ bool result = FALSE;
+- if (a != 0 && b != 0) {
++ if (a != NULL && b != NULL) {
+ int csi_a = is_csi(a);
+ int csi_b = is_csi(b);
+ size_t len_a;
+@@ -300,7 +300,7 @@
+ }
+ }
+ if (!found
+- && (tmp = strstr(end, off)) != 0
++ && (tmp = strstr(end, off)) != NULL
+ && strcmp(end, off) != 0) {
+ i = (size_t) (tmp - end);
+ j = strlen(off);
+Index: ncurses/tinfo/write_entry.c
+Prereq: 1.137
+--- ncurses-6.5-20241130+/ncurses/tinfo/write_entry.c 2024-11-09 19:24:01.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tinfo/write_entry.c 2024-12-07 21:13:36.000000000 +0000
+@@ -42,7 +42,7 @@
+
+ #include <tic.h>
+
+-MODULE_ID("$Id: write_entry.c,v 1.137 2024/11/09 19:24:01 tom Exp $")
++MODULE_ID("$Id: write_entry.c,v 1.138 2024/12/07 21:13:36 tom Exp $")
+
+ #if 1
+ #define TRACE_OUT(p) DEBUG(2, p)
+@@ -82,12 +82,12 @@
+ } else {
+ FILE *fp = ((_nc_access(filename, W_OK) == 0)
+ ? safe_fopen(filename, BIN_W)
+- : 0);
++ : NULL);
+ size_t actual;
+
+- if (fp == 0) {
++ if (fp == NULL) {
+ _nc_syserr_abort("cannot open %s/%s: (errno %d) %s",
+- _nc_tic_dir(0),
++ _nc_tic_dir(NULL),
+ filename,
+ errno,
+ strerror(errno));
+@@ -129,9 +129,9 @@
+ static const char dirnames[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+ static bool verified[sizeof(dirnames)];
+
+- const char *s = 0;
++ const char *s = NULL;
+
+- if (code == 0 || (s = (strchr) (dirnames, code)) == 0) {
++ if (code == 0 || (s = (strchr) (dirnames, code)) == NULL) {
+ _nc_err_abort("Illegal terminfo subdirectory \"" LEAF_FMT "\"", code);
+ } else if (!verified[s - dirnames]) {
+ char dir[sizeof(LEAF_FMT)];
+Index: ncurses/trace/lib_trace.c
+Prereq: 1.108
+--- ncurses-6.5-20241130+/ncurses/trace/lib_trace.c 2024-11-23 18:40:23.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/trace/lib_trace.c 2024-12-07 21:02:00.000000000 +0000
+@@ -48,7 +48,7 @@
+
+ #include <ctype.h>
+
+-MODULE_ID("$Id: lib_trace.c,v 1.108 2024/11/23 18:40:23 tom Exp $")
++MODULE_ID("$Id: lib_trace.c,v 1.109 2024/12/07 21:02:00 tom Exp $")
+
+ NCURSES_EXPORT_VAR(unsigned) _nc_tracing = 0; /* always define this */
+
+@@ -135,7 +135,7 @@
+
+ Locked(result = _nc_tracing);
+
+- if ((MyFP == 0) && tracelevel) {
++ if ((MyFP == NULL) && tracelevel) {
+ MyInit = TRUE;
+ if (MyFD >= 0) {
+ MyFP = fdopen(MyFD, BIN_W);
+@@ -149,7 +149,7 @@
+ #define SAFE_MODE (O_CREAT | O_EXCL | O_RDWR)
+ if (_nc_access(myFile, W_OK) < 0
+ || (MyFD = safe_open3(myFile, SAFE_MODE, 0600)) < 0
+- || (MyFP = fdopen(MyFD, BIN_W)) == 0) {
++ || (MyFP = fdopen(MyFD, BIN_W)) == NULL) {
+ ; /* EMPTY */
+ }
+ }
+@@ -158,7 +158,7 @@
+ * so that the trace-output gets flushed automatically at the
+ * end of each line. This is useful in case the program dies.
+ */
+- if (MyFP != 0) {
++ if (MyFP != NULL) {
+ #if HAVE_SETVBUF /* ANSI */
+ (void) setvbuf(MyFP, (char *) 0, _IOLBF, (size_t) 0);
+ #elif HAVE_SETBUF /* POSIX */
+@@ -188,10 +188,10 @@
+ _tracef("- DEBUG_LEVEL(%u)", tracelevel >> TRACE_SHIFT);
+ }
+ } else if (tracelevel == 0) {
+- if (MyFP != 0) {
++ if (MyFP != NULL) {
+ MyFD = dup(MyFD); /* allow reopen of same file */
+ fclose(MyFP);
+- MyFP = 0;
++ MyFP = NULL;
+ }
+ Locked(_nc_tracing = tracelevel);
+ } else if (_nc_tracing != tracelevel) {
+@@ -226,7 +226,7 @@
+
+ #ifdef TRACE
+ /* verbose-trace in the command-line utilities relies on this */
+- if (fp == 0 && !MyInit && _nc_tracing >= DEBUG_LEVEL(1))
++ if (fp == NULL && !MyInit && _nc_tracing >= DEBUG_LEVEL(1))
+ fp = stderr;
+ #endif
+
+@@ -246,7 +246,7 @@
+ }
+ }
+
+- if (doit != 0 && fp != 0) {
++ if (doit != 0 && fp != NULL) {
+ #ifdef USE_PTHREADS
+ /*
+ * TRACE_ICALLS is "really" needed to show normal use with threaded
+Index: ncurses/trace/lib_traceatr.c
+Prereq: 1.97
+--- ncurses-6.5-20241130+/ncurses/trace/lib_traceatr.c 2024-07-27 19:08:04.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/trace/lib_traceatr.c 2024-12-07 21:12:53.000000000 +0000
+@@ -44,7 +44,7 @@
+ #define CUR SP_TERMTYPE
+ #endif
+
+-MODULE_ID("$Id: lib_traceatr.c,v 1.97 2024/07/27 19:08:04 tom Exp $")
++MODULE_ID("$Id: lib_traceatr.c,v 1.98 2024/12/07 21:12:53 tom Exp $")
+
+ #define COLOR_OF(c) ((c < 0) ? "default" : (c > 7 ? color_of(c) : colors[c].name))
+
+@@ -126,7 +126,7 @@
+ #undef DATA
+ char *result = _nc_trace_buf(bufnum, (size_t) BUFSIZ);
+
+- if (result != 0) {
++ if (result != NULL) {
+ size_t n;
+ unsigned save_nc_tracing = _nc_tracing;
+
+@@ -167,7 +167,7 @@
+ }
+ }
+ if (ChAttrOf(newmode) == A_NORMAL) {
+- if (result != 0 && result[1] != '\0')
++ if (result != NULL && result[1] != '\0')
+ (void) _nc_trace_bufcat(bufnum, "|");
+ (void) _nc_trace_bufcat(bufnum, "A_NORMAL");
+ }
+@@ -248,14 +248,14 @@
+ };
+ #undef DATA
+
+- const char *result = 0;
++ const char *result = NULL;
+
+ #if NCURSES_SP_FUNCS
+ (void) sp;
+ #endif
+- if (SP_PARM != 0 && (attr & A_ALTCHARSET) && (acs_chars != 0)) {
++ if (SP_PARM != NULL && (attr & A_ALTCHARSET) && (acs_chars != NULL)) {
+ char *cp;
+- const char *found = 0;
++ const char *found = NULL;
+
+ for (cp = acs_chars; cp[0] && cp[1]; cp += 2) {
+ if (ChCharOf(UChar(cp[1])) == ChCharOf(ch)) {
+@@ -264,7 +264,7 @@
+ }
+ }
+
+- if (found != 0) {
++ if (found != NULL) {
+ size_t n;
+
+ ch = ChCharOf(UChar(*found));
+@@ -284,12 +284,12 @@
+ {
+ char *result = _nc_trace_buf(bufnum, (size_t) BUFSIZ);
+
+- if (result != 0) {
++ if (result != NULL) {
+ const char *found;
+ attr_t attr = ChAttrOf(ch);
+
+ _nc_STRCPY(result, l_brace, TRACE_BUF_SIZE(bufnum));
+- if ((found = _nc_altcharset_name(attr, ch)) != 0) {
++ if ((found = _nc_altcharset_name(attr, ch)) != NULL) {
+ (void) _nc_trace_bufcat(bufnum, found);
+ attr &= ~A_ALTCHARSET;
+ } else
+@@ -328,13 +328,13 @@
+ {
+ char *result = _nc_trace_buf(bufnum, (size_t) BUFSIZ);
+
+- if (result != 0) {
++ if (result != NULL) {
+ _nc_STRCPY(result, l_brace, TRACE_BUF_SIZE(bufnum));
+- if (ch != 0) {
++ if (ch != NULL) {
+ const char *found;
+ attr_t attr = AttrOfD(ch);
+
+- if ((found = _nc_altcharset_name(attr, (chtype) CharOfD(ch))) != 0) {
++ if ((found = _nc_altcharset_name(attr, (chtype) CharOfD(ch))) != NULL) {
+ (void) _nc_trace_bufcat(bufnum, found);
+ attr &= ~A_ALTCHARSET;
+ } else if (isWidecExt(CHDEREF(ch))) {
+Index: ncurses/trace/lib_tracebits.c
+Prereq: 1.31
+--- ncurses-6.5-20241130+/ncurses/trace/lib_tracebits.c 2020-11-14 23:38:11.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/trace/lib_tracebits.c 2024-12-07 21:24:18.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2019,2020 Thomas E. Dickey *
++ * Copyright 2019-2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2012,2015 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -35,7 +35,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_tracebits.c,v 1.31 2020/11/14 23:38:11 tom Exp $")
++MODULE_ID("$Id: lib_tracebits.c,v 1.32 2024/12/07 21:24:18 tom Exp $")
+
+ #if HAVE_SYS_TERMIO_H
+ #include <sys/termio.h> /* needed for ISC */
+@@ -172,7 +172,7 @@
+ 8 + sizeof(cflags) +
+ 8 + sizeof(lflags) +
+ 8);
+- if (buf != 0) {
++ if (buf != NULL) {
+
+ if (tty->c_iflag & ALLIN)
+ lookup_bits(buf, iflags, "iflags", tty->c_iflag);
+Index: ncurses/trace/lib_tracechr.c
+Prereq: 1.25
+--- ncurses-6.5-20241130+/ncurses/trace/lib_tracechr.c 2024-11-23 19:50:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/trace/lib_tracechr.c 2024-12-07 21:02:00.000000000 +0000
+@@ -40,7 +40,7 @@
+
+ #include <ctype.h>
+
+-MODULE_ID("$Id: lib_tracechr.c,v 1.25 2024/11/23 19:50:34 tom Exp $")
++MODULE_ID("$Id: lib_tracechr.c,v 1.26 2024/12/07 21:02:00 tom Exp $")
+
+ #ifdef TRACE
+
+@@ -50,13 +50,13 @@
+ _nc_tracechar(SCREEN *sp, int ch)
+ {
+ NCURSES_CONST char *name;
+- char *MyBuffer = ((sp != 0)
++ char *MyBuffer = ((sp != NULL)
+ ? sp->tracechr_buf
+ : _nc_globals.tracechr_buf);
+
+ if ((ch > KEY_MIN && !_nc_unicode_locale()) || ch < 0) {
+ name = safe_keyname(SP_PARM, ch);
+- if (name == 0 || *name == '\0')
++ if (name == NULL || *name == '\0')
+ name = "NULL";
+ _nc_SPRINTF(MyBuffer, _nc_SLIMIT(MyBufSize)
+ "'%.30s' = \\x%02x", name, UChar(ch));
+@@ -72,7 +72,7 @@
+ "\\x%02x", ch);
+ } else {
+ name = safe_unctrl(SP_PARM, (chtype) ch);
+- if (name == 0 || *name == 0)
++ if (name == NULL || *name == 0)
+ name = "null"; /* shouldn't happen */
+ _nc_SPRINTF(MyBuffer, _nc_SLIMIT(MyBufSize)
+ "'%.30s' = \\x%02x", name, ch);
+Index: ncurses/trace/lib_tracedmp.c
+Prereq: 1.37
+--- ncurses-6.5-20241130+/ncurses/trace/lib_tracedmp.c 2023-06-24 15:49:45.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/trace/lib_tracedmp.c 2024-12-07 20:06:49.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2023 Thomas E. Dickey *
++ * Copyright 2020-2023,2024 Thomas E. Dickey *
+ * Copyright 1998-2012,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -40,7 +40,7 @@
+ #include <curses.priv.h>
+ #include <ctype.h>
+
+-MODULE_ID("$Id: lib_tracedmp.c,v 1.37 2023/06/24 15:49:45 tom Exp $")
++MODULE_ID("$Id: lib_tracedmp.c,v 1.38 2024/12/07 20:06:49 tom Exp $")
+
+ #ifdef TRACE
+
+@@ -72,7 +72,7 @@
+ my_length = (unsigned) (2 * (width + 1));
+ my_buffer = typeRealloc(char, my_length, my_buffer);
+ }
+- if (my_buffer == 0)
++ if (my_buffer == NULL)
+ return;
+
+ for (n = 0; n <= win->_maxy; ++n) {
+@@ -177,7 +177,7 @@
+ }
+ #if NO_LEAKS
+ free(my_buffer);
+- my_buffer = 0;
++ my_buffer = NULL;
+ my_length = 0;
+ #endif
+ }
+Index: ncurses/trace/lib_tracemse.c
+Prereq: 1.23
+--- ncurses-6.5-20241130+/ncurses/trace/lib_tracemse.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/trace/lib_tracemse.c 2024-12-07 20:06:49.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2012,2014 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -39,7 +39,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_tracemse.c,v 1.23 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_tracemse.c,v 1.24 2024/12/07 20:06:49 tom Exp $")
+
+ #ifdef TRACE
+
+@@ -117,9 +117,9 @@
+ NCURSES_EXPORT(char *)
+ _nc_tracemouse(SCREEN *sp, MEVENT const *ep)
+ {
+- char *result = 0;
++ char *result = NULL;
+
+- if (sp != 0) {
++ if (sp != NULL) {
+ _nc_SPRINTF(my_buffer, _nc_SLIMIT(sizeof(my_buffer))
+ TRACEMSE_FMT,
+ ep->id,
+@@ -138,7 +138,7 @@
+ NCURSES_EXPORT(mmask_t)
+ _nc_retrace_mmask_t(SCREEN *sp, mmask_t code)
+ {
+- if (sp != 0) {
++ if (sp != NULL) {
+ *my_buffer = '\0';
+ T((T_RETURN("{%s}"), _nc_trace_mmask_t(sp, code)));
+ } else {
+Index: ncurses/trace/trace_buf.c
+Prereq: 1.22
+--- ncurses-6.5-20241130+/ncurses/trace/trace_buf.c 2023-06-24 13:37:25.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/trace/trace_buf.c 2024-12-07 21:24:18.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2023 Thomas E. Dickey *
++ * Copyright 2020-2023,2024 Thomas E. Dickey *
+ * Copyright 1998-2011,2012 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -36,7 +36,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: trace_buf.c,v 1.22 2023/06/24 13:37:25 tom Exp $")
++MODULE_ID("$Id: trace_buf.c,v 1.23 2024/12/07 21:24:18 tom Exp $")
+
+ #ifdef TRACE
+
+@@ -46,22 +46,22 @@
+ static char *
+ _nc_trace_alloc(int bufnum, size_t want)
+ {
+- char *result = 0;
++ char *result = NULL;
+
+ if (bufnum >= 0) {
+ if ((size_t) (bufnum + 1) > MySize) {
+ size_t need = (size_t) (bufnum + 1) * 2;
+- if ((MyList = typeRealloc(TRACEBUF, need, MyList)) != 0) {
++ if ((MyList = typeRealloc(TRACEBUF, need, MyList)) != NULL) {
+ while (need > MySize)
+- MyList[MySize++].text = 0;
++ MyList[MySize++].text = NULL;
+ }
+ }
+
+- if (MyList != 0) {
+- if (MyList[bufnum].text == 0
++ if (MyList != NULL) {
++ if (MyList[bufnum].text == NULL
+ || want > MyList[bufnum].size) {
+ MyList[bufnum].text = typeRealloc(char, want, MyList[bufnum].text);
+- if (MyList[bufnum].text != 0)
++ if (MyList[bufnum].text != NULL)
+ MyList[bufnum].size = want;
+ }
+ result = MyList[bufnum].text;
+@@ -72,12 +72,12 @@
+ if (MySize) {
+ if (MyList) {
+ while (MySize--) {
+- if (MyList[MySize].text != 0) {
++ if (MyList[MySize].text != NULL) {
+ free(MyList[MySize].text);
+ }
+ }
+ free(MyList);
+- MyList = 0;
++ MyList = NULL;
+ }
+ MySize = 0;
+ }
+@@ -93,7 +93,7 @@
+ _nc_trace_buf(int bufnum, size_t want)
+ {
+ char *result = _nc_trace_alloc(bufnum, want);
+- if (result != 0)
++ if (result != NULL)
+ *result = '\0';
+ return result;
+ }
+@@ -109,12 +109,12 @@
+ if (value == NULL)
+ value = "";
+ buffer = _nc_trace_alloc(bufnum, (size_t) 0);
+- if (buffer != 0) {
++ if (buffer != NULL) {
+ size_t have = strlen(buffer);
+ size_t need = strlen(value) + have;
+
+ buffer = _nc_trace_alloc(bufnum, 1 + need);
+- if (buffer != 0)
++ if (buffer != NULL)
+ _nc_STRCPY(buffer + have, value, need);
+
+ }
+Index: ncurses/trace/trace_tries.c
+Prereq: 1.18
+--- ncurses-6.5-20241130+/ncurses/trace/trace_tries.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/trace/trace_tries.c 2024-12-07 21:24:18.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1999-2011,2012 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -36,7 +36,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: trace_tries.c,v 1.18 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: trace_tries.c,v 1.19 2024/12/07 21:24:18 tom Exp $")
+
+ #ifdef TRACE
+ #define my_buffer _nc_globals.tracetry_buf
+@@ -50,8 +50,8 @@
+ my_buffer = (unsigned char *) _nc_doalloc(my_buffer, my_length);
+ }
+
+- if (my_buffer != 0) {
+- while (tree != 0) {
++ if (my_buffer != NULL) {
++ while (tree != NULL) {
+ if ((my_buffer[level] = tree->ch) == 0)
+ my_buffer[level] = 128;
+ my_buffer[level + 1] = 0;
+@@ -69,7 +69,7 @@
+ NCURSES_EXPORT(void)
+ _nc_trace_tries(TRIES * tree)
+ {
+- if ((my_buffer = typeMalloc(unsigned char, my_length = 80)) != 0) {
++ if ((my_buffer = typeMalloc(unsigned char, my_length = 80)) != NULL) {
+ _tracef("BEGIN tries %p", (void *) tree);
+ recur_tries(tree, 0);
+ _tracef(". . . tries %p", (void *) tree);
+Index: ncurses/trace/varargs.c
+Prereq: 1.14
+--- ncurses-6.5-20241130+/ncurses/trace/varargs.c 2024-07-27 19:23:59.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/trace/varargs.c 2024-12-07 18:00:11.000000000 +0000
+@@ -35,7 +35,7 @@
+
+ #include <ctype.h>
+
+-MODULE_ID("$Id: varargs.c,v 1.14 2024/07/27 19:23:59 tom Exp $")
++MODULE_ID("$Id: varargs.c,v 1.15 2024/12/07 18:00:11 tom Exp $")
+
+ #ifdef TRACE
+
+@@ -63,17 +63,17 @@
+ const char *param;
+ int n;
+
+- if (fmt == 0 || *fmt == '\0')
++ if (fmt == NULL || *fmt == '\0')
+ return NULL;
+ if (MyLength == 0)
+ MyBuffer = typeMalloc(char, MyLength = BUFSIZ);
+- if (MyBuffer == 0)
++ if (MyBuffer == NULL)
+ return NULL;
+ *MyBuffer = '\0';
+
+ while (*fmt != '\0') {
+ if (*fmt == '%') {
+- const char *pval = 0; /* avoid const-cast */
++ const char *pval = NULL; /* avoid const-cast */
+ const char *sval = "";
+ double fval = 0.0;
+ int done = FALSE;
+@@ -169,7 +169,7 @@
+ }
+ MyLength += strlen(param) + 2;
+ MyBuffer = typeRealloc(char, MyLength, MyBuffer);
+- if (MyBuffer != 0) {
++ if (MyBuffer != NULL) {
+ _nc_SPRINTF(MyBuffer + strlen(MyBuffer),
+ _nc_SLIMIT(MyLength - strlen(MyBuffer))
+ ", %s", param);
+Index: ncurses/trace/visbuf.c
+Prereq: 1.55
+--- ncurses-6.5-20241130+/ncurses/trace/visbuf.c 2024-11-30 21:24:09.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/trace/visbuf.c 2024-12-07 21:12:53.000000000 +0000
+@@ -43,7 +43,7 @@
+ #include <tic.h>
+ #include <ctype.h>
+
+-MODULE_ID("$Id: visbuf.c,v 1.55 2024/11/30 21:24:09 tom Exp $")
++MODULE_ID("$Id: visbuf.c,v 1.56 2024/12/07 21:12:53 tom Exp $")
+
+ #define NUM_VISBUFS 4
+
+@@ -109,11 +109,11 @@
+ static const char *
+ _nc_visbuf2n(int bufnum, const char *buf, int len)
+ {
+- const char *vbuf = 0;
++ const char *vbuf = NULL;
+ char *tp;
+ int count;
+
+- if (buf == 0)
++ if (buf == NULL)
+ return ("(null)");
+ if (buf == CANCELLED_STRING)
+ return ("(cancelled)");
+@@ -140,7 +140,7 @@
+ }
+ }
+ #endif
+- if (tp != 0) {
++ if (tp != NULL) {
+ int c;
+
+ *tp++ = D_QUOTE;
+@@ -196,7 +196,7 @@
+ char *tp;
+ int count;
+
+- if (buf == 0)
++ if (buf == NULL)
+ return ("(null)");
+
+ if (len < 0)
+@@ -212,7 +212,7 @@
+ vbuf = tp = mybuf[bufnum];
+ }
+ #endif
+- if (tp != 0) {
++ if (tp != NULL) {
+ wchar_t c;
+
+ *tp++ = D_QUOTE;
+@@ -267,12 +267,12 @@
+ }
+ if (mylen < ++n) {
+ mylen = n + 80;
+- if (mybuf != 0)
++ if (mybuf != NULL)
+ mybuf = typeRealloc(wchar_t, mylen, mybuf);
+ else
+ mybuf = typeMalloc(wchar_t, mylen);
+ }
+- if (mybuf != 0) {
++ if (mybuf != NULL) {
+ for (n = 0; buf[n] != 0; ++n) {
+ mybuf[n] = (wchar_t) buf[n];
+ }
+@@ -289,7 +289,7 @@
+ {
+ char *result = _nc_trace_buf(bufnum, (size_t) BUFSIZ);
+
+- if (result != 0) {
++ if (result != NULL) {
+ int first = 0;
+
+ #if USE_WIDEC_SUPPORT
+@@ -317,7 +317,7 @@
+ for (j = first; j <= last; ++j) {
+ const char *found = _nc_altcharset_name(attr, (chtype)
+ CharOf(buf[j]));
+- if (found != 0) {
++ if (found != NULL) {
+ (void) _nc_trace_bufcat(bufnum, found);
+ attr &= ~A_ALTCHARSET;
+ } else
+Index: ncurses/tty/MKexpanded.sh
+Prereq: 1.24
+--- ncurses-6.5-20241130+/ncurses/tty/MKexpanded.sh 2022-02-05 17:27:18.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tty/MKexpanded.sh 2024-12-07 20:48:46.000000000 +0000
+@@ -1,6 +1,6 @@
+ #! /bin/sh
+ ##############################################################################
+-# Copyright 2019-2020,2021 Thomas E. Dickey #
++# Copyright 2019-2021,2024 Thomas E. Dickey #
+ # Copyright 1998-2015,2017 Free Software Foundation, Inc. #
+ # #
+ # Permission is hereby granted, free of charge, to any person obtaining a #
+@@ -30,7 +30,7 @@
+ #
+ # Author: Thomas E. Dickey, 1997-on
+ #
+-# $Id: MKexpanded.sh,v 1.24 2022/02/05 17:27:18 tom Exp $
++# $Id: MKexpanded.sh,v 1.25 2024/12/07 20:48:46 tom Exp $
+ #
+ # Script to generate 'expanded.c', a dummy source that contains functions
+ # corresponding to complex macros used in this library. By making functions,
+@@ -127,7 +127,12 @@
+ EOF
+
+ $preprocessor $TMP 2>/dev/null | \
+- sed -e '1,/^IGNORE$/d' -e 's/^@/#/' -e 's/^#[ ]*if_/#if /' -e "s,$TMP,expanded.c,"
++ sed -e '1,/^IGNORE$/d' \
++ -e 's/^@/#/' \
++ -e 's/^#[ ]*if_/#if /' \
++ -e "s,$TMP,expanded.c," \
++ -e 's/[ ][ ]*$//' \
++ -e '/^#[ ]*[0-9]/d'
+
+ cat <<EOF
+ #else /* ! NCURSES_EXPANDED */
+Index: ncurses/tty/hardscroll.c
+Prereq: 1.58
+--- ncurses-6.5-20241130+/ncurses/tty/hardscroll.c 2023-09-09 16:04:08.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tty/hardscroll.c 2024-12-07 20:06:49.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2023 Thomas E. Dickey *
++ * Copyright 2020-2023,2024 Thomas E. Dickey *
+ * Copyright 1998-2015,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -148,7 +148,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: hardscroll.c,v 1.58 2023/09/09 16:04:08 Nicholas.Marriott Exp $")
++MODULE_ID("$Id: hardscroll.c,v 1.59 2024/12/07 20:06:49 tom Exp $")
+
+ #if defined(SCROLLDEBUG) || defined(HASHDEBUG)
+
+@@ -169,7 +169,7 @@
+ if OLDNUM(n) == _NEWINDEX, then the line n in new, not shifted from
+ somewhere. */
+ NCURSES_EXPORT_VAR (int *)
+- _nc_oldnums = 0; /* obsolete: keep for ABI compat */
++ _nc_oldnums = NULL; /* obsolete: keep for ABI compat */
+
+ # if USE_HASHMAP
+ # define oldnums(sp) (sp)->_oldnum_list
+@@ -196,7 +196,7 @@
+ /* get enough storage */
+ assert(OLDNUM_SIZE(SP_PARM) >= 0);
+ assert(screen_lines(SP_PARM) > 0);
+- if ((oldnums(SP_PARM) == 0)
++ if ((oldnums(SP_PARM) == NULL)
+ || (OLDNUM_SIZE(SP_PARM) < screen_lines(SP_PARM))) {
+ int need_lines = ((OLDNUM_SIZE(SP_PARM) < screen_lines(SP_PARM))
+ ? screen_lines(SP_PARM)
+@@ -308,11 +308,11 @@
+ /* dump the state of the real and virtual oldnum fields */
+ {
+ if (USE_TRACEF(TRACE_UPDATE | TRACE_MOVE)) {
+- char *buf = 0;
++ char *buf = NULL;
+ size_t want = ((size_t) screen_lines(SP_PARM) + 1) * 4;
+ (void) SP_PARM;
+
+- if ((buf = typeMalloc(char, want)) != 0) {
++ if ((buf = typeMalloc(char, want)) != NULL) {
+ int n;
+
+ *buf = '\0';
+Index: ncurses/tty/hashmap.c
+Prereq: 1.72
+--- ncurses-6.5-20241130+/ncurses/tty/hashmap.c 2024-07-27 19:22:23.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tty/hashmap.c 2024-12-07 17:18:07.000000000 +0000
+@@ -74,7 +74,7 @@
+ #define CUR SP_TERMTYPE
+ #endif
+
+-MODULE_ID("$Id: hashmap.c,v 1.72 2024/07/27 19:22:23 tom Exp $")
++MODULE_ID("$Id: hashmap.c,v 1.73 2024/12/07 17:18:07 tom Exp $")
+
+ #ifdef HASHDEBUG
+
+@@ -311,10 +311,10 @@
+ }
+ } else {
+ /* re-hash all */
+- if (oldhash(SP_PARM) == 0)
++ if (oldhash(SP_PARM) == NULL)
+ oldhash(SP_PARM) = typeCalloc(unsigned long,
+ (size_t) screen_lines(SP_PARM));
+- if (newhash(SP_PARM) == 0)
++ if (newhash(SP_PARM) == NULL)
+ newhash(SP_PARM) = typeCalloc(unsigned long,
+ (size_t) screen_lines(SP_PARM));
+ if (!oldhash(SP_PARM) || !newhash(SP_PARM)) {
+Index: ncurses/tty/lib_mvcur.c
+Prereq: 1.161
+--- ncurses-6.5-20241130+/ncurses/tty/lib_mvcur.c 2023-09-16 16:29:02.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tty/lib_mvcur.c 2024-12-07 20:06:49.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2018-2022,2023 Thomas E. Dickey *
++ * Copyright 2018-2023,2024 Thomas E. Dickey *
+ * Copyright 1998-2016,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -160,7 +160,7 @@
+ #define CUR SP_TERMTYPE
+ #endif
+
+-MODULE_ID("$Id: lib_mvcur.c,v 1.161 2023/09/16 16:29:02 tom Exp $")
++MODULE_ID("$Id: lib_mvcur.c,v 1.162 2024/12/07 20:06:49 tom Exp $")
+
+ #define WANT_CHAR(sp, y, x) NewScreen(sp)->_line[y].text[x] /* desired state */
+
+@@ -222,7 +222,7 @@
+ NCURSES_SP_NAME(_nc_msec_cost) (NCURSES_SP_DCLx const char *const cap, int affcnt)
+ /* compute the cost of a given operation */
+ {
+- if (cap == 0)
++ if (cap == NULL)
+ return (INFINITY);
+ else {
+ const char *cp;
+@@ -364,7 +364,7 @@
+ SP_PARM->_home_cost = CostOf(cursor_home, 0);
+ SP_PARM->_ll_cost = CostOf(cursor_to_ll, 0);
+ #if USE_HARD_TABS
+- if (getenv("NCURSES_NO_HARD_TABS") == 0
++ if (getenv("NCURSES_NO_HARD_TABS") == NULL
+ && dest_tabs_magic_smso == 0
+ && HasHardTabs()) {
+ SP_PARM->_ht_cost = CostOf(tab, 0);
+@@ -461,12 +461,12 @@
+ * nested on the various terminals (vt100, xterm, etc.) which use this
+ * feature.
+ */
+- if (save_cursor != 0
+- && enter_ca_mode != 0
+- && strstr(enter_ca_mode, save_cursor) != 0) {
++ if (save_cursor != NULL
++ && enter_ca_mode != NULL
++ && strstr(enter_ca_mode, save_cursor) != NULL) {
+ T(("...suppressed sc/rc capability due to conflict with smcup/rmcup"));
+- save_cursor = 0;
+- restore_cursor = 0;
++ save_cursor = NULL;
++ restore_cursor = NULL;
+ }
+
+ /*
+@@ -580,7 +580,7 @@
+ if (to_y != from_y) {
+ vcost = INFINITY;
+
+- if (row_address != 0
++ if (row_address != NULL
+ && _nc_safe_strcat(target, TIPARM_1(row_address, to_y))) {
+ vcost = SP_PARM->_vpa_cost;
+ }
+@@ -984,7 +984,7 @@
+ TR(TRACE_CALLS | TRACE_MOVE, (T_CALLED("_nc_real_mvcur(%p,%d,%d,%d,%d)"),
+ (void *) SP_PARM, yold, xold, ynew, xnew));
+
+- if (SP_PARM == 0) {
++ if (SP_PARM == NULL) {
+ code = ERR;
+ } else if (yold == ynew && xold == xnew) {
+ code = OK;
+@@ -1079,7 +1079,7 @@
+ * external calls. Flush the output if the screen has not been
+ * initialized, e.g., when used from low-level terminfo programs.
+ */
+- if ((SP_PARM != 0) && (SP_PARM->_endwin == ewInitial))
++ if ((SP_PARM != NULL) && (SP_PARM->_endwin == ewInitial))
+ NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
+ return rc;
+ }
+Index: ncurses/tty/lib_tstp.c
+Prereq: 1.54
+--- ncurses-6.5-20241130+/ncurses/tty/lib_tstp.c 2022-12-24 22:22:10.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tty/lib_tstp.c 2024-12-07 20:06:49.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020-2021,2022 Thomas E. Dickey *
++ * Copyright 2020-2022,2024 Thomas E. Dickey *
+ * Copyright 1998-2014,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -43,7 +43,7 @@
+
+ #include <SigAction.h>
+
+-MODULE_ID("$Id: lib_tstp.c,v 1.54 2022/12/24 22:22:10 tom Exp $")
++MODULE_ID("$Id: lib_tstp.c,v 1.55 2024/12/07 20:06:49 tom Exp $")
+
+ #if defined(SIGTSTP) && (HAVE_SIGACTION || HAVE_SIGVEC)
+ #define USE_SIGTSTP 1
+@@ -159,7 +159,7 @@
+ *
+ * Don't do this if we're not in curses -
+ */
+- if (sp != 0 && (sp->_endwin == ewRunning))
++ if (sp != NULL && (sp->_endwin == ewRunning))
+ #if HAVE_TCGETPGRP
+ if (tcgetpgrp(STDIN_FILENO) == getpgrp())
+ #endif
+@@ -269,7 +269,7 @@
+ {
+ SCREEN *scan;
+ for (each_screen(scan)) {
+- if (scan->_ofp != 0
++ if (scan->_ofp != NULL
+ && NC_ISATTY(fileno(scan->_ofp))) {
+ scan->_outch = NCURSES_SP_NAME(_nc_outch);
+ }
+Index: ncurses/tty/lib_twait.c
+Prereq: 1.82
+--- ncurses-6.5-20241130+/ncurses/tty/lib_twait.c 2024-10-05 22:47:12.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tty/lib_twait.c 2024-12-07 21:02:00.000000000 +0000
+@@ -76,7 +76,7 @@
+ #endif
+ #undef CUR
+
+-MODULE_ID("$Id: lib_twait.c,v 1.82 2024/10/05 22:47:12 tom Exp $")
++MODULE_ID("$Id: lib_twait.c,v 1.83 2024/12/07 21:02:00 tom Exp $")
+
+ /*
+ * Returns an elapsed time, in milliseconds (if possible).
+@@ -120,7 +120,7 @@
+ {
+ int event_delay = -1;
+
+- if (evl != 0) {
++ if (evl != NULL) {
+ int n;
+
+ for (n = 0; n < evl->count; ++n) {
+Index: ncurses/tty/lib_vidattr.c
+Prereq: 1.79
+--- ncurses-6.5-20241130+/ncurses/tty/lib_vidattr.c 2023-04-28 20:59:26.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tty/lib_vidattr.c 2024-12-07 20:08:15.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2018-2020,2023 Thomas E. Dickey *
++ * Copyright 2018-2023,2024 Thomas E. Dickey *
+ * Copyright 1998-2014,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -70,7 +70,7 @@
+ #define CUR SP_TERMTYPE
+ #endif
+
+-MODULE_ID("$Id: lib_vidattr.c,v 1.79 2023/04/28 20:59:26 tom Exp $")
++MODULE_ID("$Id: lib_vidattr.c,v 1.80 2024/12/07 20:08:15 tom Exp $")
+
+ #define doPut(mode) \
+ TPUTS_TRACE(#mode); \
+@@ -114,9 +114,9 @@
+ attr_t turn_on, turn_off;
+ int pair;
+ bool reverse = FALSE;
+- bool can_color = (SP_PARM == 0 || SP_PARM->_coloron);
++ bool can_color = (SP_PARM == NULL || SP_PARM->_coloron);
+ #if NCURSES_EXT_FUNCS
+- bool fix_pair0 = (SP_PARM != 0 && SP_PARM->_coloron && !SP_PARM->_default_color);
++ bool fix_pair0 = (SP_PARM != NULL && SP_PARM->_coloron && !SP_PARM->_default_color);
+ #else
+ #define fix_pair0 FALSE
+ #endif
+@@ -134,7 +134,7 @@
+
+ TR(TRACE_ATTRS, ("previous attribute was %s", _traceattr(PreviousAttr)));
+
+- if ((SP_PARM != 0)
++ if ((SP_PARM != NULL)
+ && (magic_cookie_glitch > 0)) {
+ #if USE_XMC_SUPPORT
+ static const chtype table[] =
+Index: ncurses/tty/tty_update.c
+Prereq: 1.316
+--- ncurses-6.5-20241130+/ncurses/tty/tty_update.c 2024-02-04 00:09:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/tty/tty_update.c 2024-12-07 18:00:11.000000000 +0000
+@@ -85,7 +85,7 @@
+
+ #include <ctype.h>
+
+-MODULE_ID("$Id: tty_update.c,v 1.316 2024/02/04 00:09:34 tom Exp $")
++MODULE_ID("$Id: tty_update.c,v 1.317 2024/12/07 18:00:11 tom Exp $")
+
+ /*
+ * This define controls the line-breakout optimization. Every once in a
+@@ -262,7 +262,7 @@
+ || (SP_PARM->_legacy_coding > 1 && CharOf(CHDEREF(ch)) >= 128)
+ || (AttrOf(attr) & A_ALTCHARSET
+ && ((CharOfD(ch) < ACS_LEN
+- && SP_PARM->_acs_map != 0
++ && SP_PARM->_acs_map != NULL
+ && SP_PARM->_acs_map[CharOfD(ch)] != 0)
+ || (CharOfD(ch) >= 128))))) {
+ ;
+@@ -275,7 +275,7 @@
+ #endif
+
+ if ((AttrOf(attr) & A_ALTCHARSET)
+- && SP_PARM->_acs_map != 0
++ && SP_PARM->_acs_map != NULL
+ && ((CharOfD(ch) < ACS_LEN)
+ #if !NCURSES_WCWIDTH_GRAPHICS
+ || is_wacs_value(CharOfD(ch))
+@@ -621,7 +621,7 @@
+ } else {
+ return 1; /* cursor stays in the middle */
+ }
+- } else if (repeat_char != 0 &&
++ } else if (repeat_char != NULL &&
+ #if BSD_TPUTS
+ !isdigit(UChar(CharOf(ntext0))) &&
+ #endif
+@@ -643,7 +643,7 @@
+ UpdateAttrs(SP_PARM, ntext0);
+ temp = ntext0;
+ if ((AttrOf(temp) & A_ALTCHARSET) &&
+- SP_PARM->_acs_map != 0 &&
++ SP_PARM->_acs_map != NULL &&
+ (SP_PARM->_acs_map[CharOf(temp)] & A_CHARTEXT) != 0) {
+ SetChar(temp,
+ (SP_PARM->_acs_map[CharOf(ntext0)] & A_CHARTEXT),
+@@ -745,7 +745,7 @@
+
+ _nc_lock_global(update);
+
+- if (SP_PARM == 0) {
++ if (SP_PARM == NULL) {
+ _nc_unlock_global(update);
+ returnCode(ERR);
+ }
+@@ -762,7 +762,7 @@
+ if (SP_PARM == CURRENT_SCREEN) {
+ #endif
+ #define SyncScreens(internal,exported) \
+- if (internal == 0) internal = exported; \
++ if (internal == NULL) internal = exported; \
+ if (internal != exported) exported = internal
+
+ SyncScreens(CurScreen(SP_PARM), curscr);
+@@ -773,9 +773,9 @@
+ #endif
+ #endif /* !USE_REENTRANT */
+
+- if (CurScreen(SP_PARM) == 0
+- || NewScreen(SP_PARM) == 0
+- || StdScreen(SP_PARM) == 0) {
++ if (CurScreen(SP_PARM) == NULL
++ || NewScreen(SP_PARM) == NULL
++ || StdScreen(SP_PARM) == NULL) {
+ _nc_unlock_global(update);
+ returnCode(ERR);
+ }
+@@ -1132,7 +1132,7 @@
+ ClrUpdate(NCURSES_SP_DCL0)
+ {
+ TR(TRACE_UPDATE, (T_CALLED("ClrUpdate")));
+- if (0 != SP_PARM) {
++ if (NULL != SP_PARM) {
+ int i;
+ NCURSES_CH_T blank = ClrBlank(NCURSES_SP_ARGx StdScreen(SP_PARM));
+ int nonempty = Min(screen_lines(SP_PARM),
+@@ -1159,7 +1159,7 @@
+ static void
+ ClrToEOL(NCURSES_SP_DCLx NCURSES_CH_T blank, int needclear)
+ {
+- if (CurScreen(SP_PARM) != 0
++ if (CurScreen(SP_PARM) != NULL
+ && SP_PARM->_cursrow >= 0) {
+ int j;
+
+@@ -2223,7 +2223,7 @@
+ NCURSES_EXPORT(void)
+ NCURSES_SP_NAME(_nc_screen_wrap) (NCURSES_SP_DCL0)
+ {
+- if (SP_PARM != 0) {
++ if (SP_PARM != NULL) {
+
+ UpdateAttrs(SP_PARM, normal);
+ #if NCURSES_EXT_FUNCS
+@@ -2265,7 +2265,7 @@
+ NCURSES_EXPORT(void)
+ NCURSES_SP_NAME(_nc_do_xmc_glitch) (NCURSES_SP_DCLx attr_t previous)
+ {
+- if (SP_PARM != 0) {
++ if (SP_PARM != NULL) {
+ attr_t chg = XMC_CHANGES(previous ^ AttrOf(SCREEN_ATTRS(SP_PARM)));
+
+ while (chg != 0) {
+Index: ncurses/wcwidth.h
+Prereq: 1.7
+--- ncurses-6.5-20241130+/ncurses/wcwidth.h 2024-09-21 15:49:15.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/wcwidth.h 2024-12-07 16:20:09.000000000 +0000
+@@ -1,4 +1,4 @@
+-/* $Id: wcwidth.h,v 1.7 2024/09/21 15:49:15 tom Exp $ */
++/* $Id: wcwidth.h,v 1.8 2024/12/07 16:20:09 tom Exp $ */
+
+ /*
+ * Copyright 2002-2023,2024 by Thomas E. Dickey
+@@ -230,7 +230,7 @@
+
+ /* sorted list of non-overlapping intervals of non-spacing characters */
+ /* generated by
+- * uniset +cat=Me +cat=Mn +0600-0605 +061C +06DD +070F +1160-11FF +D7B0-D7C6 +D7CB-D7FB c
++ * uniset +cat=Me +cat=Mn +0600-0605 +061C +06DD +070F +1160-11FF +D7B0-D7C6 +D7CB-D7FB c
+ */
+ /* *INDENT-OFF* */
+ /* generated by run-uniset 1.9 */
+Index: ncurses/widechar/lib_add_wch.c
+Prereq: 1.19
+--- ncurses-6.5-20241130+/ncurses/widechar/lib_add_wch.c 2024-07-27 19:22:23.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/widechar/lib_add_wch.c 2024-12-07 18:00:11.000000000 +0000
+@@ -40,7 +40,7 @@
+ #include <wctype.h>
+ #endif
+
+-MODULE_ID("$Id: lib_add_wch.c,v 1.19 2024/07/27 19:22:23 tom Exp $")
++MODULE_ID("$Id: lib_add_wch.c,v 1.20 2024/12/07 18:00:11 tom Exp $")
+
+ /* clone/adapt lib_addch.c */
+ static const cchar_t blankchar = NewChar(BLANK_TEXT);
+@@ -384,7 +384,7 @@
+ win->_flags &= ~_WRAPPED;
+ break;
+ default:
+- if ((s = wunctrl(&ch)) != 0) {
++ if ((s = wunctrl(&ch)) != NULL) {
+ while (*s) {
+ cchar_t sch;
+ SetChar(sch, *s++, AttrOf(ch));
+Index: ncurses/widechar/lib_box_set.c
+Prereq: 1.7
+--- ncurses-6.5-20241130+/ncurses/widechar/lib_box_set.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/widechar/lib_box_set.c 2024-12-07 20:08:15.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 2002-2009,2011 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -40,7 +40,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_box_set.c,v 1.7 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_box_set.c,v 1.8 2024/12/07 20:08:15 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ wborder_set(WINDOW *win,
+@@ -67,7 +67,7 @@
+ if (!win)
+ returnCode(ERR);
+
+-#define RENDER_WITH_DEFAULT(ch,def) w ##ch = _nc_render(win, (ch == 0) ? *(const ARG_CH_T)def : *ch)
++#define RENDER_WITH_DEFAULT(ch,def) w ##ch = _nc_render(win, (ch == NULL) ? *(const ARG_CH_T)def : *ch)
+
+ RENDER_WITH_DEFAULT(ls, WACS_VLINE);
+ RENDER_WITH_DEFAULT(rs, WACS_VLINE);
+Index: ncurses/widechar/lib_cchar.c
+Prereq: 1.39
+--- ncurses-6.5-20241130+/ncurses/widechar/lib_cchar.c 2024-07-27 19:22:23.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/widechar/lib_cchar.c 2024-12-07 18:07:52.000000000 +0000
+@@ -37,7 +37,7 @@
+ #include <curses.priv.h>
+ #include <wchar.h>
+
+-MODULE_ID("$Id: lib_cchar.c,v 1.39 2024/07/27 19:22:23 tom Exp $")
++MODULE_ID("$Id: lib_cchar.c,v 1.40 2024/12/07 18:07:52 tom Exp $")
+
+ /*
+ * The SuSv2 description leaves some room for interpretation. We'll assume wch
+@@ -135,7 +135,7 @@
+ * If the value is not a null, return the length plus 1 for null.
+ */
+ code = (len < CCHARW_MAX) ? (len + 1) : CCHARW_MAX;
+- } else if (attrs == 0 || pair_arg == 0) {
++ } else if (attrs == NULL || pair_arg == NULL) {
+ code = ERR;
+ } else if (len >= 0) {
+ int color_pair;
+Index: ncurses/widechar/lib_get_wch.c
+Prereq: 1.26
+--- ncurses-6.5-20241130+/ncurses/widechar/lib_get_wch.c 2021-04-17 16:12:54.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/widechar/lib_get_wch.c 2024-12-07 20:08:15.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2021 Thomas E. Dickey *
++ * Copyright 2020-2021,2024 Thomas E. Dickey *
+ * Copyright 2002-2011,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -41,7 +41,7 @@
+ #include <curses.priv.h>
+ #include <ctype.h>
+
+-MODULE_ID("$Id: lib_get_wch.c,v 1.26 2021/04/17 16:12:54 tom Exp $")
++MODULE_ID("$Id: lib_get_wch.c,v 1.27 2024/12/07 20:08:15 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ wget_wch(WINDOW *win, wint_t *result)
+@@ -62,7 +62,7 @@
+ _nc_lock_global(curses);
+ sp = _nc_screen_of(win);
+
+- if (sp != 0) {
++ if (sp != NULL) {
+ size_t count = 0;
+
+ for (;;) {
+@@ -112,7 +112,7 @@
+ code = ERR;
+ }
+
+- if (result != 0)
++ if (result != NULL)
+ *result = (wint_t) value;
+
+ _nc_unlock_global(curses);
+Index: ncurses/widechar/lib_hline_set.c
+Prereq: 1.6
+--- ncurses-6.5-20241130+/ncurses/widechar/lib_hline_set.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/widechar/lib_hline_set.c 2024-12-07 20:08:15.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 2002-2010,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -40,7 +40,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_hline_set.c,v 1.6 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_hline_set.c,v 1.7 2024/12/07 20:08:15 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ whline_set(WINDOW *win, const cchar_t *ch, int n)
+@@ -60,7 +60,7 @@
+
+ CHANGED_RANGE(line, start, end);
+
+- if (ch == 0)
++ if (ch == NULL)
+ wch = *WACS_HLINE;
+ else
+ wch = *ch;
+Index: ncurses/widechar/lib_in_wch.c
+Prereq: 1.7
+--- ncurses-6.5-20241130+/ncurses/widechar/lib_in_wch.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/widechar/lib_in_wch.c 2024-12-07 20:08:15.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 2002-2009,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -40,7 +40,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_in_wch.c,v 1.7 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_in_wch.c,v 1.8 2024/12/07 20:08:15 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ win_wch(WINDOW *win, cchar_t *wcval)
+@@ -49,8 +49,8 @@
+
+ TR(TRACE_CCALLS, (T_CALLED("win_wch(%p,%p)"), (void *) win, (void *) wcval));
+
+- if (win != 0
+- && wcval != 0) {
++ if (win != NULL
++ && wcval != NULL) {
+ int row, col;
+
+ getyx(win, row, col);
+Index: ncurses/widechar/lib_in_wchnstr.c
+Prereq: 1.10
+--- ncurses-6.5-20241130+/ncurses/widechar/lib_in_wchnstr.c 2024-07-27 19:23:21.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/widechar/lib_in_wchnstr.c 2024-12-07 18:03:14.000000000 +0000
+@@ -40,7 +40,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_in_wchnstr.c,v 1.10 2024/07/27 19:23:21 tom Exp $")
++MODULE_ID("$Id: lib_in_wchnstr.c,v 1.11 2024/12/07 18:03:14 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ win_wchnstr(WINDOW *win, cchar_t *wchstr, int n)
+@@ -48,8 +48,8 @@
+ int code = OK;
+
+ T((T_CALLED("win_wchnstr(%p,%p,%d)"), (void *) win, (void *) wchstr, n));
+- if (win != 0
+- && wchstr != 0) {
++ if (win != NULL
++ && wchstr != NULL) {
+ const NCURSES_CH_T *src;
+ int row, col;
+ int j, k, limit;
+Index: ncurses/widechar/lib_ins_wch.c
+Prereq: 1.30
+--- ncurses-6.5-20241130+/ncurses/widechar/lib_ins_wch.c 2024-07-27 19:22:23.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/widechar/lib_ins_wch.c 2024-12-07 18:03:14.000000000 +0000
+@@ -40,7 +40,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_ins_wch.c,v 1.30 2024/07/27 19:22:23 tom Exp $")
++MODULE_ID("$Id: lib_ins_wch.c,v 1.31 2024/12/07 18:03:14 tom Exp $")
+
+ /*
+ * Insert the given character, updating the current location to simplify
+@@ -87,7 +87,7 @@
+
+ T((T_CALLED("wins_wch(%p, %s)"), (void *) win, _tracecchar_t(wch)));
+
+- if (win != 0) {
++ if (win != NULL) {
+ NCURSES_SIZE_T oy = win->_cury;
+ NCURSES_SIZE_T ox = win->_curx;
+
+@@ -108,8 +108,8 @@
+ T((T_CALLED("wins_nwstr(%p,%s,%d)"),
+ (void *) win, _nc_viswbufn(wstr, n), n));
+
+- if (win != 0
+- && wstr != 0
++ if (win != NULL
++ && wstr != NULL
+ && n != 0) {
+
+ if (n < 0) {
+Index: ncurses/widechar/lib_inwstr.c
+Prereq: 1.11
+--- ncurses-6.5-20241130+/ncurses/widechar/lib_inwstr.c 2024-07-27 19:02:27.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/widechar/lib_inwstr.c 2024-12-07 18:03:14.000000000 +0000
+@@ -40,7 +40,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_inwstr.c,v 1.11 2024/07/27 19:02:27 tom Exp $")
++MODULE_ID("$Id: lib_inwstr.c,v 1.12 2024/12/07 18:03:14 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ winnwstr(WINDOW *win, wchar_t *wstr, int n)
+@@ -49,7 +49,7 @@
+ const cchar_t *text;
+
+ T((T_CALLED("winnwstr(%p,%p,%d)"), (void *) win, (void *) wstr, n));
+- if (wstr != 0) {
++ if (wstr != NULL) {
+ if (win) {
+ int row, col;
+ int last = 0;
+@@ -99,7 +99,7 @@
+ int result = ERR;
+
+ T((T_CALLED("winwstr(%p,%p)"), (void *) win, (void *) wstr));
+- if (win != 0) {
++ if (win != NULL) {
+ result = winnwstr(win, wstr,
+ CCHARW_MAX * (win->_maxx - win->_curx + 1));
+ }
+Index: ncurses/widechar/lib_pecho_wchar.c
+Prereq: 1.4
+--- ncurses-6.5-20241130+/ncurses/widechar/lib_pecho_wchar.c 2021-10-23 17:07:56.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/widechar/lib_pecho_wchar.c 2024-12-07 20:08:15.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2021 Thomas E. Dickey *
++ * Copyright 2020-2021,2024 Thomas E. Dickey *
+ * Copyright 2004,2009 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -33,14 +33,14 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_pecho_wchar.c,v 1.4 2021/10/23 17:07:56 tom Exp $")
++MODULE_ID("$Id: lib_pecho_wchar.c,v 1.5 2024/12/07 20:08:15 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ pecho_wchar(WINDOW *pad, const cchar_t *wch)
+ {
+ T((T_CALLED("pecho_wchar(%p, %s)"), (void *) pad, _tracech_t(wch)));
+
+- if (pad == 0)
++ if (pad == NULL)
+ returnCode(ERR);
+
+ if (!IS_PAD(pad))
+Index: ncurses/widechar/lib_slk_wset.c
+Prereq: 1.15
+--- ncurses-6.5-20241130+/ncurses/widechar/lib_slk_wset.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/widechar/lib_slk_wset.c 2024-12-07 20:08:15.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 2003-2011,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -41,7 +41,7 @@
+ #include <wctype.h>
+ #endif
+
+-MODULE_ID("$Id: lib_slk_wset.c,v 1.15 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_slk_wset.c,v 1.16 2024/12/07 20:08:15 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ slk_wset(int i, const wchar_t *astr, int format)
+@@ -52,7 +52,7 @@
+
+ T((T_CALLED("slk_wset(%d, %s, %d)"), i, _nc_viswbuf(astr), format));
+
+- if (astr != 0) {
++ if (astr != NULL) {
+ size_t arglen;
+
+ init_mb(state);
+@@ -61,7 +61,7 @@
+ if ((arglen = wcsrtombs(NULL, &str, (size_t) 0, &state)) != (size_t) -1) {
+ char *mystr;
+
+- if ((mystr = (char *) _nc_doalloc(0, arglen + 1)) != 0) {
++ if ((mystr = (char *) _nc_doalloc(NULL, arglen + 1)) != NULL) {
+ str = astr;
+ if (wcsrtombs(mystr, &str, arglen, &state) != (size_t) -1) {
+ /* glibc documentation claims that the terminating L'\0'
+Index: ncurses/widechar/lib_unget_wch.c
+Prereq: 1.18
+--- ncurses-6.5-20241130+/ncurses/widechar/lib_unget_wch.c 2023-06-03 12:50:52.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/widechar/lib_unget_wch.c 2024-12-07 20:08:15.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2023 Thomas E. Dickey *
++ * Copyright 2020-2023,2024 Thomas E. Dickey *
+ * Copyright 2002-2011,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -40,7 +40,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_unget_wch.c,v 1.18 2023/06/03 12:50:52 tom Exp $")
++MODULE_ID("$Id: lib_unget_wch.c,v 1.19 2024/12/07 20:08:15 tom Exp $")
+
+ /*
+ * Wrapper for wcrtomb() which obtains the length needed for the given
+@@ -51,7 +51,7 @@
+ {
+ int result;
+
+- if (target == 0) {
++ if (target == NULL) {
+ wchar_t temp[2];
+ const wchar_t *tempp = temp;
+ temp[0] = source;
+@@ -75,13 +75,13 @@
+ T((T_CALLED("unget_wch(%p, %#lx)"), (void *) SP_PARM, (unsigned long) wch));
+
+ init_mb(state);
+- length = _nc_wcrtomb(0, wch, &state);
++ length = _nc_wcrtomb(NULL, wch, &state);
+
+ if (length != (size_t) (-1)
+ && length != 0) {
+ char *string;
+
+- if ((string = (char *) malloc(length)) != 0) {
++ if ((string = (char *) malloc(length)) != NULL) {
+ int n;
+
+ init_mb(state);
+Index: ncurses/widechar/lib_vid_attr.c
+Prereq: 1.31
+--- ncurses-6.5-20241130+/ncurses/widechar/lib_vid_attr.c 2023-04-28 20:59:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/widechar/lib_vid_attr.c 2024-12-07 20:08:59.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2018-2020,2023 Thomas E. Dickey *
++ * Copyright 2018-2023,2024 Thomas E. Dickey *
+ * Copyright 2002-2014,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -37,7 +37,7 @@
+ #define CUR SP_TERMTYPE
+ #endif
+
+-MODULE_ID("$Id: lib_vid_attr.c,v 1.31 2023/04/28 20:59:34 tom Exp $")
++MODULE_ID("$Id: lib_vid_attr.c,v 1.32 2024/12/07 20:08:59 tom Exp $")
+
+ #define doPut(mode) \
+ TPUTS_TRACE(#mode); \
+@@ -87,9 +87,9 @@
+
+ attr_t turn_on, turn_off;
+ bool reverse = FALSE;
+- bool can_color = (SP_PARM == 0 || SP_PARM->_coloron);
++ bool can_color = (SP_PARM == NULL || SP_PARM->_coloron);
+ #if NCURSES_EXT_FUNCS
+- bool fix_pair0 = (SP_PARM != 0 && SP_PARM->_coloron && !SP_PARM->_default_color);
++ bool fix_pair0 = (SP_PARM != NULL && SP_PARM->_coloron && !SP_PARM->_default_color);
+ #else
+ #define fix_pair0 FALSE
+ #endif
+@@ -193,15 +193,15 @@
+ TPUTS_TRACE("set_attributes");
+ NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
+ TIPARM_9(set_attributes,
+- (newmode & A_STANDOUT) != 0,
+- (newmode & A_UNDERLINE) != 0,
+- (newmode & A_REVERSE) != 0,
+- (newmode & A_BLINK) != 0,
+- (newmode & A_DIM) != 0,
+- (newmode & A_BOLD) != 0,
+- (newmode & A_INVIS) != 0,
+- (newmode & A_PROTECT) != 0,
+- (newmode & A_ALTCHARSET) != 0),
++ (newmode & A_STANDOUT) != 0,
++ (newmode & A_UNDERLINE) != 0,
++ (newmode & A_REVERSE) != 0,
++ (newmode & A_BLINK) != 0,
++ (newmode & A_DIM) != 0,
++ (newmode & A_BOLD) != 0,
++ (newmode & A_INVIS) != 0,
++ (newmode & A_PROTECT) != 0,
++ (newmode & A_ALTCHARSET) != 0),
+ 1, outc);
+ previous_attr &= ALL_BUT_COLOR;
+ previous_pair = 0;
+Index: ncurses/widechar/lib_vline_set.c
+Prereq: 1.6
+--- ncurses-6.5-20241130+/ncurses/widechar/lib_vline_set.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/widechar/lib_vline_set.c 2024-12-07 20:08:15.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 2002-2010,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -40,7 +40,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_vline_set.c,v 1.6 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_vline_set.c,v 1.7 2024/12/07 20:08:15 tom Exp $")
+
+ NCURSES_EXPORT(int)
+ wvline_set(WINDOW *win, const cchar_t *ch, int n)
+@@ -58,7 +58,7 @@
+ if (end > win->_maxy)
+ end = win->_maxy;
+
+- if (ch == 0)
++ if (ch == NULL)
+ wch = *WACS_VLINE;
+ else
+ wch = *ch;
+Index: ncurses/widechar/lib_wacs.c
+Prereq: 1.20
+--- ncurses-6.5-20241130+/ncurses/widechar/lib_wacs.c 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/widechar/lib_wacs.c 2024-12-07 20:08:32.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2018,2020 Thomas E. Dickey *
++ * Copyright 2018-2020,2024 Thomas E. Dickey *
+ * Copyright 2002-2015,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -33,9 +33,9 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_wacs.c,v 1.20 2020/02/02 23:34:34 tom Exp $")
++MODULE_ID("$Id: lib_wacs.c,v 1.21 2024/12/07 20:08:32 tom Exp $")
+
+-NCURSES_EXPORT_VAR(cchar_t) * _nc_wacs = 0;
++NCURSES_EXPORT_VAR(cchar_t) * _nc_wacs = NULL;
+
+ NCURSES_EXPORT(void)
+ _nc_init_wacs(void)
+@@ -119,7 +119,7 @@
+ T(("initializing WIDE-ACS map (Unicode is%s active)",
+ active ? "" : " not"));
+
+- if ((_nc_wacs = typeCalloc(cchar_t, ACS_LEN)) != 0) {
++ if ((_nc_wacs = typeCalloc(cchar_t, ACS_LEN)) != NULL) {
+ unsigned n;
+
+ for (n = 0; n < SIZEOF(table); ++n) {
+Index: ncurses/widechar/lib_wunctrl.c
+Prereq: 1.18
+--- ncurses-6.5-20241130+/ncurses/widechar/lib_wunctrl.c 2024-07-27 19:23:21.000000000 +0000
++++ ncurses-6.5-20241207/ncurses/widechar/lib_wunctrl.c 2024-12-07 18:03:14.000000000 +0000
+@@ -36,7 +36,7 @@
+
+ #include <curses.priv.h>
+
+-MODULE_ID("$Id: lib_wunctrl.c,v 1.18 2024/07/27 19:23:21 tom Exp $")
++MODULE_ID("$Id: lib_wunctrl.c,v 1.19 2024/12/07 18:03:14 tom Exp $")
+
+ NCURSES_EXPORT(wchar_t *)
+ NCURSES_SP_NAME(wunctrl) (NCURSES_SP_DCLx cchar_t *wc)
+@@ -44,9 +44,9 @@
+ static wchar_t str[CCHARW_MAX + 1];
+ wchar_t *result;
+
+- if (wc == 0) {
+- result = 0;
+- } else if (SP_PARM != 0 && Charable(*wc)) {
++ if (wc == NULL) {
++ result = NULL;
++ } else if (SP_PARM != NULL && Charable(*wc)) {
+ wchar_t *wsp;
+ const char *p =
+ NCURSES_SP_NAME(unctrl) (NCURSES_SP_ARGx
+Index: package/debian-mingw/changelog
+--- ncurses-6.5-20241130+/package/debian-mingw/changelog 2024-11-27 21:55:07.000000000 +0000
++++ ncurses-6.5-20241207/package/debian-mingw/changelog 2024-12-07 11:51:44.000000000 +0000
+@@ -1,8 +1,8 @@
+-ncurses6td (6.5+20241130) unstable; urgency=low
++ncurses6td (6.5+20241207) unstable; urgency=low
+
+ * latest weekly patch
+
+- -- Thomas E. Dickey <dickey@invisible-island.net> Wed, 27 Nov 2024 16:55:07 -0500
++ -- Thomas E. Dickey <dickey@invisible-island.net> Sat, 07 Dec 2024 06:51:44 -0500
+
+ ncurses6 (5.9+20131005) unstable; urgency=low
+
+Index: package/debian-mingw64/changelog
+--- ncurses-6.5-20241130+/package/debian-mingw64/changelog 2024-11-27 21:55:07.000000000 +0000
++++ ncurses-6.5-20241207/package/debian-mingw64/changelog 2024-12-07 11:51:44.000000000 +0000
+@@ -1,8 +1,8 @@
+-ncurses6td (6.5+20241130) unstable; urgency=low
++ncurses6td (6.5+20241207) unstable; urgency=low
+
+ * latest weekly patch
+
+- -- Thomas E. Dickey <dickey@invisible-island.net> Wed, 27 Nov 2024 16:55:07 -0500
++ -- Thomas E. Dickey <dickey@invisible-island.net> Sat, 07 Dec 2024 06:51:44 -0500
+
+ ncurses6 (5.9+20131005) unstable; urgency=low
+
+Index: package/debian/changelog
+--- ncurses-6.5-20241130+/package/debian/changelog 2024-11-27 21:55:07.000000000 +0000
++++ ncurses-6.5-20241207/package/debian/changelog 2024-12-07 11:51:44.000000000 +0000
+@@ -1,8 +1,8 @@
+-ncurses6td (6.5+20241130) unstable; urgency=low
++ncurses6td (6.5+20241207) unstable; urgency=low
+
+ * latest weekly patch
+
+- -- Thomas E. Dickey <dickey@invisible-island.net> Wed, 27 Nov 2024 16:55:07 -0500
++ -- Thomas E. Dickey <dickey@invisible-island.net> Sat, 07 Dec 2024 06:51:44 -0500
+
+ ncurses6 (5.9+20120608) unstable; urgency=low
+
+Index: package/mingw-ncurses.nsi
+Prereq: 1.678
+--- ncurses-6.5-20241130+/package/mingw-ncurses.nsi 2024-11-27 21:55:07.000000000 +0000
++++ ncurses-6.5-20241207/package/mingw-ncurses.nsi 2024-12-07 11:51:44.000000000 +0000
+@@ -1,4 +1,4 @@
+-; $Id: mingw-ncurses.nsi,v 1.678 2024/11/27 21:55:07 tom Exp $
++; $Id: mingw-ncurses.nsi,v 1.679 2024/12/07 11:51:44 tom Exp $
+
+ ; TODO add examples
+ ; TODO bump ABI to 6
+@@ -10,7 +10,7 @@
+ !define VERSION_MAJOR "6"
+ !define VERSION_MINOR "5"
+ !define VERSION_YYYY "2024"
+-!define VERSION_MMDD "1130"
++!define VERSION_MMDD "1207"
+ !define VERSION_PATCH ${VERSION_YYYY}${VERSION_MMDD}
+
+ !define MY_ABI "5"
+Index: package/mingw-ncurses.spec
+--- ncurses-6.5-20241130+/package/mingw-ncurses.spec 2024-11-27 21:55:07.000000000 +0000
++++ ncurses-6.5-20241207/package/mingw-ncurses.spec 2024-12-07 11:51:44.000000000 +0000
+@@ -3,7 +3,7 @@
+ Summary: shared libraries for terminal handling
+ Name: mingw32-ncurses6
+ Version: 6.5
+-Release: 20241130
++Release: 20241207
+ License: X11
+ Group: Development/Libraries
+ URL: https://invisible-island.net/ncurses/
+Index: package/ncurses.spec
+--- ncurses-6.5-20241130+/package/ncurses.spec 2024-11-27 21:55:07.000000000 +0000
++++ ncurses-6.5-20241207/package/ncurses.spec 2024-12-07 11:51:44.000000000 +0000
+@@ -1,7 +1,7 @@
+ Summary: shared libraries for terminal handling
+ Name: ncurses6
+ Version: 6.5
+-Release: 20241130
++Release: 20241207
+ License: X11
+ Group: Development/Libraries
+ URL: https://invisible-island.net/ncurses/
+Index: package/ncursest.spec
+--- ncurses-6.5-20241130+/package/ncursest.spec 2024-11-27 21:55:07.000000000 +0000
++++ ncurses-6.5-20241207/package/ncursest.spec 2024-12-07 11:51:44.000000000 +0000
+@@ -1,7 +1,7 @@
+ Summary: Curses library with POSIX thread support.
+ Name: ncursest6
+ Version: 6.5
+-Release: 20241130
++Release: 20241207
+ License: X11
+ Group: Development/Libraries
+ Source: ncurses-%{version}-%{release}.tgz
+Index: panel/p_above.c
+Prereq: 1.11
+--- ncurses-6.5-20241130+/panel/p_above.c 2020-05-24 01:40:20.000000000 +0000
++++ ncurses-6.5-20241207/panel/p_above.c 2024-12-07 23:05:20.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2010,2012 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -37,11 +37,11 @@
+ */
+ #include "panel.priv.h"
+
+-MODULE_ID("$Id: p_above.c,v 1.11 2020/05/24 01:40:20 anonymous.maarten Exp $")
++MODULE_ID("$Id: p_above.c,v 1.12 2024/12/07 23:05:20 tom Exp $")
+
+ #if NCURSES_SP_FUNCS
+ PANEL_EXPORT(PANEL *)
+-ground_panel(SCREEN * sp)
++ground_panel(SCREEN *sp)
+ {
+ T((T_CALLED("ground_panel(%p)"), (void *)sp));
+ if (sp)
+@@ -51,12 +51,12 @@
+ if (_nc_bottom_panel) /* this is the pseudo panel */
+ returnPanel(_nc_bottom_panel->above);
+ else
+- returnPanel(0);
++ returnPanel(NULL);
+ }
+ else
+ {
+- if (0 == CURRENT_SCREEN)
+- returnPanel(0);
++ if (NULL == CURRENT_SCREEN)
++ returnPanel(NULL);
+ else
+ returnPanel(ground_panel(CURRENT_SCREEN));
+ }
+@@ -64,7 +64,7 @@
+ #endif
+
+ PANEL_EXPORT(PANEL *)
+-panel_above(const PANEL * pan)
++panel_above(const PANEL *pan)
+ {
+ PANEL *result;
+
+@@ -78,7 +78,7 @@
+ #else
+ /* if top and bottom are equal, we have no or only the pseudo panel;
+ if not, we return the panel above the pseudo panel */
+- result = EMPTY_STACK()? (PANEL *) 0 : _nc_bottom_panel->above;
++ result = EMPTY_STACK()? (PANEL *)0 : _nc_bottom_panel->above;
+ #endif
+ }
+ returnPanel(result);
+Index: panel/p_below.c
+Prereq: 1.11
+--- ncurses-6.5-20241130+/panel/p_below.c 2020-05-24 01:40:20.000000000 +0000
++++ ncurses-6.5-20241207/panel/p_below.c 2024-12-07 23:05:20.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2010,2012 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -37,11 +37,11 @@
+ */
+ #include "panel.priv.h"
+
+-MODULE_ID("$Id: p_below.c,v 1.11 2020/05/24 01:40:20 anonymous.maarten Exp $")
++MODULE_ID("$Id: p_below.c,v 1.12 2024/12/07 23:05:20 tom Exp $")
+
+ #if NCURSES_SP_FUNCS
+ PANEL_EXPORT(PANEL *)
+-ceiling_panel(SCREEN * sp)
++ceiling_panel(SCREEN *sp)
+ {
+ T((T_CALLED("ceiling_panel(%p)"), (void *)sp));
+ if (sp)
+@@ -49,12 +49,12 @@
+ struct panelhook *ph = NCURSES_SP_NAME(_nc_panelhook) (sp);
+
+ /* if top and bottom are equal, we have no or only the pseudo panel */
+- returnPanel(EMPTY_STACK()? (PANEL *) 0 : _nc_top_panel);
++ returnPanel(EMPTY_STACK()? (PANEL *)0 : _nc_top_panel);
+ }
+ else
+ {
+- if (0 == CURRENT_SCREEN)
+- returnPanel(0);
++ if (NULL == CURRENT_SCREEN)
++ returnPanel(NULL);
+ else
+ returnPanel(ceiling_panel(CURRENT_SCREEN));
+ }
+@@ -62,7 +62,7 @@
+ #endif
+
+ PANEL_EXPORT(PANEL *)
+-panel_below(const PANEL * pan)
++panel_below(const PANEL *pan)
+ {
+ PANEL *result;
+
+@@ -71,7 +71,7 @@
+ {
+ GetHook(pan);
+ /* we must not return the pseudo panel */
+- result = Is_Pseudo(pan->below) ? (PANEL *) 0 : pan->below;
++ result = Is_Pseudo(pan->below) ? (PANEL *)0 : pan->below;
+ }
+ else
+ {
+@@ -79,7 +79,7 @@
+ result = ceiling_panel(CURRENT_SCREEN);
+ #else
+ /* if top and bottom are equal, we have no or only the pseudo panel */
+- result = EMPTY_STACK()? (PANEL *) 0 : _nc_top_panel;
++ result = EMPTY_STACK()? (PANEL *)0 : _nc_top_panel;
+ #endif
+ }
+ returnPanel(result);
+Index: panel/p_new.c
+Prereq: 1.24
+--- ncurses-6.5-20241130+/panel/p_new.c 2021-10-23 15:12:06.000000000 +0000
++++ ncurses-6.5-20241207/panel/p_new.c 2024-12-07 23:00:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2021 Thomas E. Dickey *
++ * Copyright 2020-2021,2024 Thomas E. Dickey *
+ * Copyright 1998-2009,2010 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -39,7 +39,7 @@
+ */
+ #include "panel.priv.h"
+
+-MODULE_ID("$Id: p_new.c,v 1.24 2021/10/23 15:12:06 tom Exp $")
++MODULE_ID("$Id: p_new.c,v 1.25 2024/12/07 23:00:37 tom Exp $")
+
+ #ifdef TRACE
+ static char *stdscr_id;
+@@ -86,7 +86,7 @@
+ ph->destroy = del_panel;
+ #endif
+ _nc_stdscr_pseudo_panel = AllocPanel("root_panel");
+- if (_nc_stdscr_pseudo_panel != 0)
++ if (_nc_stdscr_pseudo_panel != NULL)
+ {
+ PANEL *pan = _nc_stdscr_pseudo_panel;
+ WINDOW *win = SP_PARM->_stdscr;
+Index: panel/panel.c
+Prereq: 1.30
+--- ncurses-6.5-20241130+/panel/panel.c 2020-09-26 18:05:17.000000000 +0000
++++ ncurses-6.5-20241207/panel/panel.c 2024-12-07 23:05:20.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2010,2012 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -37,14 +37,14 @@
+ /* panel.c -- implementation of panels library, some core routines */
+ #include "panel.priv.h"
+
+-MODULE_ID("$Id: panel.c,v 1.30 2020/09/26 18:05:17 tom Exp $")
++MODULE_ID("$Id: panel.c,v 1.31 2024/12/07 23:05:20 tom Exp $")
+
+ /*+-------------------------------------------------------------------------
+ _nc_retrace_panel (pan)
+ --------------------------------------------------------------------------*/
+ #ifdef TRACE
+ PANEL_EXPORT(PANEL *)
+-_nc_retrace_panel(PANEL * pan)
++_nc_retrace_panel(PANEL *pan)
+ {
+ T((T_RETURN("%p"), (void *)pan));
+ return pan;
+@@ -61,7 +61,7 @@
+ {
+ char temp[32];
+
+- if (ptr != 0)
++ if (ptr != NULL)
+ _nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp)) "%p", ptr);
+ else
+ _nc_STRCPY(temp, "<null>", sizeof(temp));
+@@ -75,7 +75,7 @@
+ --------------------------------------------------------------------------*/
+ #ifdef TRACE
+ PANEL_EXPORT(void)
+-_nc_dPanel(const char *text, const PANEL * pan)
++_nc_dPanel(const char *text, const PANEL *pan)
+ {
+ _tracef("%s id=%s b=%s a=%s y=%d x=%d",
+ text, USER_PTR(pan->user, 1),
+@@ -90,7 +90,7 @@
+ --------------------------------------------------------------------------*/
+ #ifdef TRACE
+ PANEL_EXPORT(void)
+-_nc_dStack(const char *fmt, int num, const PANEL * pan)
++_nc_dStack(const char *fmt, int num, const PANEL *pan)
+ {
+ char s80[80];
+
+@@ -116,7 +116,7 @@
+ --------------------------------------------------------------------------*/
+ #ifdef TRACE
+ PANEL_EXPORT(void)
+-_nc_Wnoutrefresh(const PANEL * pan)
++_nc_Wnoutrefresh(const PANEL *pan)
+ {
+ dPanel("wnoutrefresh", pan);
+ wnoutrefresh(pan->win);
+@@ -128,7 +128,7 @@
+ --------------------------------------------------------------------------*/
+ #ifdef TRACE
+ PANEL_EXPORT(void)
+-_nc_Touchpan(const PANEL * pan)
++_nc_Touchpan(const PANEL *pan)
+ {
+ dPanel("Touchpan", pan);
+ touchwin(pan->win);
+@@ -140,7 +140,7 @@
+ --------------------------------------------------------------------------*/
+ #ifdef TRACE
+ PANEL_EXPORT(void)
+-_nc_Touchline(const PANEL * pan, int start, int count)
++_nc_Touchline(const PANEL *pan, int start, int count)
+ {
+ char s80[80];
+
+Index: panel/panel.priv.h
+Prereq: 1.30
+--- ncurses-6.5-20241130+/panel/panel.priv.h 2020-09-26 18:05:32.000000000 +0000
++++ ncurses-6.5-20241207/panel/panel.priv.h 2024-12-07 23:01:42.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020 Thomas E. Dickey *
++ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2014,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+
+-/* $Id: panel.priv.h,v 1.30 2020/09/26 18:05:32 tom Exp $ */
++/* $Id: panel.priv.h,v 1.31 2024/12/07 23:01:42 tom Exp $ */
+
+ #ifndef NCURSES_PANEL_PRIV_H
+ #define NCURSES_PANEL_PRIV_H 1
+@@ -86,7 +86,7 @@
+ #define GetScreenHook(sp) \
+ struct panelhook* ph = NCURSES_SP_NAME(_nc_panelhook)(sp)
+ #define GetPanelHook(pan) \
+- GetScreenHook(pan ? _nc_screen_of((pan)->win) : 0)
++ GetScreenHook(pan ? _nc_screen_of((pan)->win) : NULL)
+ #define GetWindowHook(win) \
+ SCREEN* sp = _nc_screen_of(win); \
+ GetScreenHook(sp)
+Index: progs/dump_entry.c
+Prereq: 1.197
+--- ncurses-6.5-20241130+/progs/dump_entry.c 2024-10-19 22:00:53.000000000 +0000
++++ ncurses-6.5-20241207/progs/dump_entry.c 2024-12-07 22:06:39.000000000 +0000
+@@ -40,7 +40,7 @@
+ #include <termsort.h> /* this C file is generated */
+ #include <parametrized.h> /* so is this */
+
+-MODULE_ID("$Id: dump_entry.c,v 1.197 2024/10/19 22:00:53 tom Exp $")
++MODULE_ID("$Id: dump_entry.c,v 1.198 2024/12/07 22:06:39 tom Exp $")
+
+ #define DISCARD(string) string = ABSENT_STRING
+ #define PRINTF (void) printf
+@@ -121,7 +121,7 @@
+ if (want > dst->size) {
+ dst->size += (want + 1024); /* be generous */
+ dst->text = typeRealloc(char, dst->size, dst->text);
+- if (dst->text == 0)
++ if (dst->text == NULL)
+ failed("strncpy_DYN");
+ }
+ _nc_STRNCPY(dst->text + dst->used, src, need + 1);
+@@ -132,7 +132,7 @@
+ static void
+ strcpy_DYN(DYNBUF * dst, const char *src)
+ {
+- if (src == 0) {
++ if (src == NULL) {
+ dst->used = 0;
+ strcpy_DYN(dst, "");
+ } else {
+@@ -144,9 +144,9 @@
+ static void
+ free_DYN(DYNBUF * p)
+ {
+- if (p->text != 0)
++ if (p->text != NULL)
+ free(p->text);
+- p->text = 0;
++ p->text = NULL;
+ p->size = 0;
+ p->used = 0;
+ }
+@@ -170,7 +170,7 @@
+ {
+ const struct name_table_entry *np;
+
+- if ((np = _nc_find_entry(name, _nc_get_hash_table(0))) != 0) {
++ if ((np = _nc_find_entry(name, _nc_get_hash_table(0))) != NULL) {
+ switch (np->nte_type) {
+ case BOOLEAN:
+ NameTrans(bool_from_termcap, boolcodes);
+@@ -186,7 +186,7 @@
+ }
+ }
+
+- return (0);
++ return (NULL);
+ }
+
+ void
+@@ -212,7 +212,7 @@
+ did_wrap = (width <= 0);
+
+ /* versions */
+- if (version == 0)
++ if (version == NULL)
+ tversion = V_ALLCAPS;
+ else if (!strcmp(version, "SVr1") || !strcmp(version, "SVR1")
+ || !strcmp(version, "Ultrix"))
+@@ -458,7 +458,7 @@
+ }
+ n++;
+ }
+- } else if (strchr("pPg", ch) != 0) {
++ } else if (strchr("pPg", ch) != NULL) {
+ result += 2;
+ } else {
+ result++; /* ordinary operator */
+@@ -526,7 +526,7 @@
+ const char *fill = "\\s";
+ size_t need = strlen(src);
+ size_t size = strlen(fill);
+- char *result = 0;
++ char *result = NULL;
+ int pass;
+ size_t s, d;
+ for (pass = 0; pass < 2; ++pass) {
+@@ -550,7 +550,7 @@
+ result[d] = '\0';
+ } else {
+ result = calloc(need + 1, sizeof(char));
+- if (result == 0)
++ if (result == NULL)
+ failed("fill_spaces");
+ }
+ }
+@@ -598,7 +598,7 @@
+ if (TcOutput())
+ trailer = "\\\n\t ";
+
+- if (!TcOutput() && (p = strchr(fill, '=')) != 0) {
++ if (!TcOutput() && (p = strchr(fill, '=')) != NULL) {
+ base = (int) (p + 1 - fill);
+ if (base > 8)
+ base = 8;
+@@ -612,7 +612,7 @@
+ align[base] = '\0';
+ }
+ /* "pretty" overrides wrapping if it already split the line */
+- if (!pretty || strchr(fill, '\n') == 0) {
++ if (!pretty || strchr(fill, '\n') == NULL) {
+ int tag = 0;
+
+ if (TcOutput() && outbuf.used && !wrap_1ST(mode)) {
+@@ -841,7 +841,7 @@
+ strncpy_DYN(&tmpbuf, src++, (size_t) 1);
+ if (src[0] == '%'
+ && src[1] != '\0'
+- && (strchr("?e;", src[1])) == 0) {
++ && (strchr("?e;", src[1])) == NULL) {
+ tmpbuf.text[tmpbuf.used++] = '\n';
+ indent_DYN(&tmpbuf, level);
+ }
+@@ -926,12 +926,12 @@
+
+ len = 12; /* terminfo file-header */
+
+- if (pred == 0) {
++ if (pred == NULL) {
+ cur_type = tterm;
+ pred = dump_predicate;
+ }
+
+- strcpy_DYN(&outbuf, 0);
++ strcpy_DYN(&outbuf, NULL);
+ if (content_only) {
+ column = indent; /* workaround to prevent empty lines */
+ } else {
+@@ -1120,7 +1120,7 @@
+ : has_params(srccap, FALSE)));
+ const char *cv = _nc_infotocap(name, srccap, params);
+
+- if (cv == 0) {
++ if (cv == NULL) {
+ if (outform == F_TCONVERR) {
+ _nc_SPRINTF(buffer, _nc_SLIMIT(sizeof(buffer))
+ "%s=!!! %s WILL NOT CONVERT !!!",
+@@ -1169,7 +1169,7 @@
+ char *src = _nc_tic_expand(capability,
+ outform == F_TERMINFO, numbers);
+
+- strcpy_DYN(&tmpbuf, 0);
++ strcpy_DYN(&tmpbuf, NULL);
+ strcpy_DYN(&tmpbuf, name);
+ strcpy_DYN(&tmpbuf, "=");
+ if (pretty
+@@ -1400,7 +1400,7 @@
+ * Check if the given acsc string is a 1-1 mapping, i.e., just-like-vt100.
+ * Also, since this is for termcap, we only care about the line-drawing map.
+ */
+-#define isLine(c) (strchr("lmkjtuvwqxn", c) != 0)
++#define isLine(c) (strchr("lmkjtuvwqxn", c) != NULL)
+
+ static bool
+ one_one_mapping(const char *mapping)
+@@ -1703,7 +1703,7 @@
+ }
+ outbuf.text[outbuf.used] = '\0';
+ }
+- if (outbuf.text != 0) {
++ if (outbuf.text != NULL) {
+ (void) fputs(outbuf.text, stdout);
+ putchar('\n');
+ }
+Index: progs/infocmp.c
+Prereq: 1.169
+--- ncurses-6.5-20241130+/progs/infocmp.c 2024-11-30 21:29:41.000000000 +0000
++++ ncurses-6.5-20241207/progs/infocmp.c 2024-12-07 22:10:45.000000000 +0000
+@@ -43,7 +43,7 @@
+
+ #include <dump_entry.h>
+
+-MODULE_ID("$Id: infocmp.c,v 1.169 2024/11/30 21:29:41 tom Exp $")
++MODULE_ID("$Id: infocmp.c,v 1.170 2024/12/07 22:10:45 tom Exp $")
+
+ #ifndef ACTUAL_TIC
+ #define ACTUAL_TIC "tic"
+@@ -694,7 +694,7 @@
+ #define DATAX() DATA("", "")
+
+ typedef struct {
+- const char from[4];
++ const char from[8];
+ const char to[12];
+ } assoc;
+
+@@ -812,10 +812,10 @@
+ static char *
+ lookup_params(const assoc * table, char *dst, char *src)
+ {
+- char *result = 0;
++ char *result = NULL;
+ const char *ep = strtok(src, ";");
+
+- if (ep != 0) {
++ if (ep != NULL) {
+ const assoc *ap;
+
+ do {
+@@ -861,7 +861,7 @@
+ int csi;
+ size_t len = 0;
+ size_t next;
+- const char *expansion = 0;
++ const char *expansion = NULL;
+ char buf3[MAX_TERMINFO_LENGTH];
+
+ /* first, check other capabilities in this entry */
+@@ -1052,14 +1052,14 @@
+ FALSE, 0, 65535, itrace, FALSE, FALSE, FALSE);
+
+ for (n = 0; n < argc && n < MAXCOMPARE; n++) {
+- if (freopen(argv[n], "r", stdin) == 0)
++ if (freopen(argv[n], "r", stdin) == NULL)
+ _nc_err_abort("Can't open %s: %s", argv[n], strerror(errno));
+
+ #if NO_LEAKS
+ entered[n].head = _nc_head;
+ entered[n].tail = _nc_tail;
+ #endif
+- _nc_head = _nc_tail = 0;
++ _nc_head = _nc_tail = NULL;
+
+ /* parse entries out of the source file */
+ _nc_set_source(argv[n]);
+@@ -1187,7 +1187,7 @@
+
+ names[0] = name1;
+ names[1] = name2;
+- names[2] = 0;
++ names[2] = NULL;
+
+ entries[0] = *qp;
+ entries[1] = *rp;
+@@ -1298,12 +1298,12 @@
+ static size_t need;
+ char *s;
+
+- if (initializer == 0) {
++ if (initializer == NULL) {
+ need = (strlen(entries->tterm.term_names)
+ + strlen(type)
+ + strlen(fmt));
+ initializer = (char *) malloc(need + 1);
+- if (initializer == 0)
++ if (initializer == NULL)
+ failed("any_initializer");
+ }
+
+@@ -1334,7 +1334,7 @@
+ dump_initializers(const TERMTYPE2 *term)
+ {
+ unsigned n;
+- const char *str = 0;
++ const char *str = NULL;
+
+ printf("\nstatic char %s[] = \"%s\";\n\n",
+ name_initializer("alias"), entries->tterm.term_names);
+@@ -1496,10 +1496,10 @@
+ static int
+ optarg_to_number(void)
+ {
+- char *temp = 0;
++ char *temp = NULL;
+ long value = strtol(optarg, &temp, 0);
+
+- if (temp == 0 || temp == optarg || *temp != 0) {
++ if (temp == NULL || temp == optarg || *temp != 0) {
+ fprintf(stderr, "Expected a number, not \"%s\"\n", optarg);
+ ExitProgram(EXIT_FAILURE);
+ }
+@@ -1511,7 +1511,7 @@
+ {
+ char *terminal;
+
+- if ((terminal = getenv("TERM")) == 0) {
++ if ((terminal = getenv("TERM")) == NULL) {
+ (void) fprintf(stderr,
+ "%s: environment variable TERM not set\n",
+ _nc_progname);
+@@ -1531,7 +1531,7 @@
+ const char *path2;
+
+ _nc_first_db(&state, &offset);
+- while ((path2 = _nc_next_db(&state, &offset)) != 0) {
++ while ((path2 = _nc_next_db(&state, &offset)) != NULL) {
+ printf("%s\n", path2);
+ }
+ _nc_last_db();
+@@ -1559,8 +1559,8 @@
+ {
+ /* Avoid "local data >32k" error with mwcc */
+ /* Also avoid overflowing smaller stacks on systems like AmigaOS */
+- path *tfile = 0;
+- char **tname = 0;
++ path *tfile = NULL;
++ char **tname = NULL;
+ size_t maxterms;
+
+ char **myargv;
+@@ -1576,7 +1576,7 @@
+ bool wrap_strings = FALSE;
+
+ /* where is the terminfo database location going to default to? */
+- restdir = firstdir = 0;
++ restdir = firstdir = NULL;
+
+ #if NCURSES_XNAMES
+ use_extended_names(FALSE);
+@@ -1587,7 +1587,7 @@
+
+ /* make sure we have enough space to add two terminal entries */
+ myargv = typeCalloc(char *, (size_t) (argc + 3));
+- if (myargv == 0)
++ if (myargv == NULL)
+ failed("myargv");
+
+ memcpy(myargv, argv, (sizeof(char *) * (size_t) argc));
+@@ -1671,7 +1671,7 @@
+ outform = F_TERMINFO;
+ if (sortmode == S_DEFAULT)
+ sortmode = S_VARIABLE;
+- tversion = 0;
++ tversion = NULL;
+ break;
+
+ case 'i':
+@@ -1712,7 +1712,7 @@
+ break;
+
+ case 'r':
+- tversion = 0;
++ tversion = NULL;
+ break;
+
+ case 's':
+@@ -1780,20 +1780,20 @@
+ }
+
+ maxterms = (size_t) (argc + 2 - optind);
+- if ((tfile = typeMalloc(path, maxterms)) == 0)
++ if ((tfile = typeMalloc(path, maxterms)) == NULL)
+ failed("tfile");
+- if ((tname = typeCalloc(char *, maxterms)) == 0)
++ if ((tname = typeCalloc(char *, maxterms)) == NULL)
+ failed("tname");
+- if ((entries = typeCalloc(ENTRY, maxterms)) == 0)
++ if ((entries = typeCalloc(ENTRY, maxterms)) == NULL)
+ failed("entries");
+ #if NO_LEAKS
+- if ((entered = typeCalloc(ENTERED, maxterms)) == 0)
++ if ((entered = typeCalloc(ENTERED, maxterms)) == NULL)
+ failed("entered");
+ #endif
+
+- if (tfile == 0
+- || tname == 0
+- || entries == 0) {
++ if (tfile == NULL
++ || tname == NULL
++ || entries == NULL) {
+ fprintf(stderr, "%s: not enough memory\n", _nc_progname);
+ ExitProgram(EXIT_FAILURE);
+ }
+Index: progs/reset_cmd.c
+Prereq: 1.37
+--- ncurses-6.5-20241130+/progs/reset_cmd.c 2024-04-08 17:29:34.000000000 +0000
++++ ncurses-6.5-20241207/progs/reset_cmd.c 2024-12-07 22:12:53.000000000 +0000
+@@ -53,7 +53,7 @@
+ #include <sys/ptem.h>
+ #endif
+
+-MODULE_ID("$Id: reset_cmd.c,v 1.37 2024/04/08 17:29:34 tom Exp $")
++MODULE_ID("$Id: reset_cmd.c,v 1.38 2024/12/07 22:12:53 tom Exp $")
+
+ /*
+ * SCO defines TIOCGSIZE and the corresponding struct. Other systems (SunOS,
+@@ -104,8 +104,8 @@
+ char buf[BUFSIZ];
+ bool sent = FALSE;
+
+- if (file != 0) {
+- if ((fp = safe_fopen(file, "r")) == 0)
++ if (file != NULL) {
++ if ((fp = safe_fopen(file, "r")) == NULL)
+ failed(file);
+
+ while ((nr = fread(buf, sizeof(char), sizeof(buf), fp)) != 0) {
+@@ -528,7 +528,7 @@
+
+ (void) old_settings;
+ #if TAB3
+- if (old_settings != 0 &&
++ if (old_settings != NULL &&
+ old_settings->c_oflag & (TAB3 | ONLCR | OCRNL | ONLRET)) {
+ old_settings->c_oflag &= (TAB3 | ONLCR | OCRNL | ONLRET);
+ SET_TTY(fd, old_settings);
+@@ -539,11 +539,11 @@
+ IGNORE_RC(system(init_prog));
+ }
+
+- need_flush |= sent_string((use_reset && (reset_1string != 0))
++ need_flush |= sent_string((use_reset && (reset_1string != NULL))
+ ? reset_1string
+ : init_1string);
+
+- need_flush |= sent_string((use_reset && (reset_2string != 0))
++ need_flush |= sent_string((use_reset && (reset_2string != NULL))
+ ? reset_2string
+ : init_2string);
+
+@@ -584,7 +584,7 @@
+
+ need_flush |= cat_file((use_reset && reset_file) ? reset_file : init_file);
+
+- need_flush |= sent_string((use_reset && (reset_3string != 0))
++ need_flush |= sent_string((use_reset && (reset_3string != NULL))
+ ? reset_3string
+ : init_3string);
+ }
+@@ -629,7 +629,7 @@
+ */
+ } else if (newer == 0177) {
+ (void) fprintf(stderr, "delete.\n");
+- } else if ((p = key_backspace) != 0
++ } else if ((p = key_backspace) != NULL
+ && newer == (unsigned char) p[0]
+ && p[1] == '\0') {
+ (void) fprintf(stderr, "backspace.\n");
+@@ -655,7 +655,7 @@
+ void
+ reset_flush(void)
+ {
+- if (my_file != 0)
++ if (my_file != NULL)
+ fflush(my_file);
+ }
+
+Index: progs/tabs.c
+Prereq: 1.55
+--- ncurses-6.5-20241130+/progs/tabs.c 2024-10-19 21:45:18.000000000 +0000
++++ ncurses-6.5-20241207/progs/tabs.c 2024-12-07 22:10:45.000000000 +0000
+@@ -39,7 +39,7 @@
+ #include <progs.priv.h>
+ #include <tty_settings.h>
+
+-MODULE_ID("$Id: tabs.c,v 1.55 2024/10/19 21:45:18 tom Exp $")
++MODULE_ID("$Id: tabs.c,v 1.56 2024/12/07 22:10:45 tom Exp $")
+
+ static GCC_NORETURN void usage(void);
+
+@@ -147,7 +147,7 @@
+ "%s: tab-stops are not in increasing order: %d %d\n",
+ _nc_progname, value, result[n - 1]);
+ free(result);
+- result = 0;
++ result = NULL;
+ break;
+ }
+ ++n;
+@@ -159,7 +159,7 @@
+ }
+ }
+
+- if (result != 0) {
++ if (result != NULL) {
+ /*
+ * If there is only one value, then it is an option such as "-8".
+ */
+@@ -250,7 +250,7 @@
+ trimmed_tab_list(const char *source)
+ {
+ char *result = strdup(source);
+- if (result != 0) {
++ if (result != NULL) {
+ int j, k, last;
+
+ for (j = k = last = 0; result[j] != 0; ++j) {
+@@ -280,7 +280,7 @@
+ {
+ bool result = FALSE;
+
+- if (source != 0) {
++ if (source != NULL) {
+ size_t len = strlen(source);
+ if (len != 0)
+ result = (source[len - 1] != ',');
+@@ -303,7 +303,7 @@
+ char *result = *append;
+ char *copied = trimmed_tab_list(value);
+
+- if (copied != 0 && *copied != '\0') {
++ if (copied != NULL && *copied != '\0') {
+ const char *comma = ",";
+ size_t need = 1 + strlen(copied);
+
+@@ -313,15 +313,15 @@
+ comma = "";
+
+ need += strlen(comma);
+- if (*append != 0)
++ if (*append != NULL)
+ need += strlen(*append);
+
+ result = malloc(need);
+- if (result == 0)
++ if (result == NULL)
+ failed("add_to_tab_list");
+
+ *result = '\0';
+- if (*append != 0) {
++ if (*append != NULL) {
+ _nc_STRCPY(result, *append, need);
+ free(*append);
+ }
+@@ -402,7 +402,7 @@
+ {
+ bool result = TRUE;
+
+- if (tab_list != 0 && *tab_list != '\0') {
++ if (tab_list != NULL && *tab_list != '\0') {
+ if (comma_is_needed(tab_list)) {
+ int n;
+
+@@ -433,7 +433,7 @@
+ while (*value != '\0' &&
+ (isdigit(UChar(*value)) ||
+ isspace(UChar(*value)) ||
+- strchr("+,", UChar(*value)) != 0)) {
++ strchr("+,", UChar(*value)) != NULL)) {
+ ++value;
+ }
+ return value;
+@@ -483,9 +483,9 @@
+ bool no_op = FALSE;
+ bool change_tty = FALSE;
+ int n, ch;
+- NCURSES_CONST char *term_name = 0;
+- char *append = 0;
+- const char *tab_list = 0;
++ NCURSES_CONST char *term_name = NULL;
++ char *append = NULL;
++ const char *tab_list = NULL;
+ const char *new_line = "\n";
+ int margin = -1;
+ TTY tty_settings;
+@@ -493,7 +493,7 @@
+
+ _nc_progname = _nc_rootname(argv[0]);
+
+- if ((term_name = getenv("TERM")) == 0)
++ if ((term_name = getenv("TERM")) == NULL)
+ term_name = "ansi+tabs";
+
+ /* cannot use getopt, since some options are two-character */
+@@ -617,11 +617,11 @@
+ }
+ break;
+ default:
+- if (append != 0) {
++ if (append != NULL) {
+ if (tab_list != (const char *) append) {
+ /* one of the predefined options was used */
+ free(append);
+- append = 0;
++ append = NULL;
+ }
+ }
+ tab_list = add_to_tab_list(&append, option);
+@@ -683,7 +683,7 @@
+
+ list = decode_tabs(tab_list, margin);
+
+- if (list != 0) {
++ if (list != NULL) {
+ if (!no_op)
+ do_tabs(list);
+ if (debug) {
+@@ -704,7 +704,7 @@
+ }
+ rc = EXIT_SUCCESS;
+ }
+- if (append != 0)
++ if (append != NULL)
+ free(append);
+ ExitProgram(rc);
+ }
+Index: progs/tic.c
+Prereq: 1.329
+--- ncurses-6.5-20241130+/progs/tic.c 2024-11-30 21:29:07.000000000 +0000
++++ ncurses-6.5-20241207/progs/tic.c 2024-12-07 23:19:49.000000000 +0000
+@@ -49,7 +49,7 @@
+ #include <parametrized.h>
+ #include <transform.h>
+
+-MODULE_ID("$Id: tic.c,v 1.329 2024/11/30 21:29:07 tom Exp $")
++MODULE_ID("$Id: tic.c,v 1.331 2024/12/07 23:19:49 tom Exp $")
+
+ #define STDIN_NAME "<stdin>"
+
+@@ -61,7 +61,7 @@
+ static bool infodump = FALSE; /* running as captoinfo? */
+ static bool showsummary = FALSE;
+ static unsigned debug_level;
+-static char **namelst = 0;
++static char **namelst = NULL;
+ static const char *to_remove;
+
+ #if NCURSES_XNAMES
+@@ -104,9 +104,9 @@
+ static void
+ free_namelist(char **src)
+ {
+- if (src != 0) {
++ if (src != NULL) {
+ int n;
+- for (n = 0; src[n] != 0; ++n)
++ for (n = 0; src[n] != NULL; ++n)
+ free(src[n]);
+ free(src);
+ }
+@@ -120,9 +120,9 @@
+ free_namelist(namelst);
+ _nc_leaks_dump_entry();
+ #endif
+- if (tmp_fp != 0)
++ if (tmp_fp != NULL)
+ fclose(tmp_fp);
+- if (to_remove != 0) {
++ if (to_remove != NULL) {
+ int rc;
+
+ #if HAVE_REMOVE
+@@ -214,7 +214,7 @@
+ for (n = 0; n < STRCOUNT; n++) {
+ s = ep->tterm.Strings[n];
+ if (VALID_STRING(s)
+- && strchr(s, L_BRACE) != 0) {
++ && strchr(s, L_BRACE) != NULL) {
+ d = result;
+ t = s;
+ while ((ch = *t++) != 0) {
+@@ -224,9 +224,9 @@
+ break;
+ } else if ((ch == '%')
+ && (*t == L_BRACE)) {
+- char *v = 0;
++ char *v = NULL;
+ long value = strtol(t + 1, &v, 0);
+- if (v != 0
++ if (v != NULL
+ && *v == R_BRACE
+ && value > 0
+ && value != '\\' /* FIXME */
+@@ -334,14 +334,14 @@
+ in_name = FALSE;
+
+ suffix[0] = '\0';
+- if ((up = strchr(namebuf, '#')) != 0
+- || (up = strchr(namebuf, '=')) != 0
+- || ((up = strchr(namebuf, '@')) != 0 && up[1] == '>')) {
++ if ((up = strchr(namebuf, '#')) != NULL
++ || (up = strchr(namebuf, '=')) != NULL
++ || ((up = strchr(namebuf, '@')) != NULL && up[1] == '>')) {
+ _nc_STRCPY(suffix, up, have);
+ *up = '\0';
+ }
+
+- if ((tp = nametrans(namebuf)) != 0) {
++ if ((tp = nametrans(namebuf)) != NULL) {
+ (void) putchar(':');
+ (void) fputs(tp, stdout);
+ (void) fputs(suffix, stdout);
+@@ -368,7 +368,7 @@
+ static char *
+ stripped(char *src)
+ {
+- char *dst = 0;
++ char *dst = NULL;
+
+ while (isspace(UChar(*src)))
+ src++;
+@@ -388,7 +388,7 @@
+ static FILE *
+ open_tempfile(char *filename)
+ {
+- FILE *result = 0;
++ FILE *result = NULL;
+
+ _nc_STRCPY(filename, "/tmp/XXXXXX", PATH_MAX);
+ #if HAVE_MKSTEMP
+@@ -410,7 +410,7 @@
+ copy_input(FILE *source, const char *filename, char *alt_file)
+ {
+ char my_altfile[PATH_MAX];
+- FILE *result = 0;
++ FILE *result = NULL;
+ FILE *target;
+
+ if (alt_file == NULL)
+@@ -476,7 +476,7 @@
+ ExitProgram(EXIT_FAILURE);
+ }
+ if (mode != S_IFREG) {
+- if (alt_file != 0) {
++ if (alt_file != NULL) {
+ FILE *fp2 = copy_input(fp, filename, alt_file);
+ fp = fp2;
+ } else {
+@@ -493,7 +493,7 @@
+ static char **
+ make_namelist(char *src)
+ {
+- char **dst = 0;
++ char **dst = NULL;
+
+ char *s, *base;
+ unsigned pass, n, nn;
+@@ -501,14 +501,14 @@
+
+ if (src == NULL) {
+ /* EMPTY */ ;
+- } else if (strchr(src, '/') != 0) { /* a filename */
++ } else if (strchr(src, '/') != NULL) { /* a filename */
+ FILE *fp = open_input(src, (char *) 0);
+
+ for (pass = 1; pass <= 2; pass++) {
+ nn = 0;
+- while (fgets(buffer, sizeof(buffer), fp) != 0) {
+- if ((s = stripped(buffer)) != 0) {
+- if (dst != 0)
++ while (fgets(buffer, sizeof(buffer), fp) != NULL) {
++ if ((s = stripped(buffer)) != NULL) {
++ if (dst != NULL)
+ dst[nn] = s;
+ else
+ free(s);
+@@ -520,7 +520,7 @@
+ failed("make_namelist (alloc)");
+ rewind(fp);
+ if (errno != 0)
+- failed("make_namelist (rewind)");
++ failed("make_namelist (rewind)");
+ }
+ }
+ fclose(fp);
+@@ -533,7 +533,7 @@
+ nn++;
+ } else {
+ src[n] = '\0';
+- if ((s = stripped(base)) != 0)
++ if ((s = stripped(base)) != NULL)
+ dst[nn++] = s;
+ base = &src[n + 1];
+ }
+@@ -547,9 +547,9 @@
+ }
+ }
+ }
+- if (showsummary && (dst != 0)) {
++ if (showsummary && (dst != NULL)) {
+ fprintf(log_fp, "Entries that will be compiled:\n");
+- for (n = 0; dst[n] != 0; n++)
++ for (n = 0; dst[n] != NULL; n++)
+ fprintf(log_fp, "%u:%s\n", n + 1, dst[n]);
+ }
+ return dst;
+@@ -561,10 +561,10 @@
+ {
+ bool code = FALSE;
+
+- if (needle != 0) {
++ if (needle != NULL) {
+ size_t n;
+
+- for (n = 0; needle[n] != 0; n++) {
++ for (n = 0; needle[n] != NULL; n++) {
+ if (_nc_name_match(haystack, needle[n], "|")) {
+ code = TRUE;
+ break;
+@@ -608,7 +608,7 @@
+ || access(result, R_OK | W_OK | X_OK) != 0) {
+ DEBUG(1, ("...not a writable directory"));
+ free(result);
+- result = 0;
++ result = NULL;
+ }
+ #endif
+ } else {
+@@ -626,12 +626,12 @@
+ } else {
+ DEBUG(1, ("...parent directory %s is not writable", result));
+ free(result);
+- result = 0;
++ result = NULL;
+ }
+ } else {
+ DEBUG(1, ("... no parent directory"));
+ free(result);
+- result = 0;
++ result = NULL;
+ }
+ }
+ return result;
+@@ -645,14 +645,14 @@
+ static void
+ show_databases(const char *outdir)
+ {
+- bool specific = (outdir != 0) || getenv("TERMINFO") != 0;
++ bool specific = (outdir != NULL) || getenv("TERMINFO") != NULL;
+ char *result;
+- const char *tried = 0;
++ const char *tried = NULL;
+
+ if (outdir == NULL) {
+ outdir = _nc_tic_dir(NULL);
+ }
+- if ((result = valid_db_path(outdir)) != 0) {
++ if ((result = valid_db_path(outdir)) != NULL) {
+ printf("%s\n", result);
+ free(result);
+ } else {
+@@ -924,13 +924,13 @@
+ if (infodump == TRUE) {
+ /* captoinfo's no-argument case */
+ source_file = "/etc/termcap";
+- if ((termcap = getenv("TERMCAP")) != 0
+- && (namelst = make_namelist(getenv("TERM"))) != 0) {
++ if ((termcap = getenv("TERMCAP")) != NULL
++ && (namelst = make_namelist(getenv("TERM"))) != NULL) {
+ if (access(termcap, F_OK) == 0) {
+ /* file exists */
+ source_file = termcap;
+ } else {
+- if ((tmp_fp = open_tempfile(my_tmpname)) != 0) {
++ if ((tmp_fp = open_tempfile(my_tmpname)) != NULL) {
+ source_file = my_tmpname;
+ fprintf(tmp_fp, "%s\n", termcap);
+ fclose(tmp_fp);
+@@ -1335,7 +1335,7 @@
+ if ((ch = keypad_final(string)) != '\0') {
+ const char *list = "PQRSwxymtuvlqrsPpn"; /* app-keypad except "Enter" */
+ const char *test = (strchr) (list, ch);
+- if (test != 0)
++ if (test != NULL)
+ result = (long) (test - list);
+ }
+ return result;
+@@ -1712,8 +1712,8 @@
+ static bool
+ uses_SGR_39_49(const char *value)
+ {
+- return (strstr(value, "39;49") != 0
+- || strstr(value, "49;39") != 0);
++ return (strstr(value, "39;49") != NULL
++ || strstr(value, "49;39") != NULL);
+ }
+
+ /*
+@@ -1897,7 +1897,7 @@
+ static struct user_table_entry const *
+ lookup_user_capability(const char *name)
+ {
+- struct user_table_entry const *result = 0;
++ struct user_table_entry const *result = NULL;
+ if (*name != 'k') {
+ result = _nc_find_user_entry(name);
+ }
+@@ -1929,7 +1929,7 @@
+ #if NCURSES_XNAMES
+ else if (using_extensions) {
+ struct user_table_entry const *p = lookup_user_capability(name);
+- if (p != 0) {
++ if (p != NULL) {
+ result = (int) p->ute_argc;
+ }
+ }
+@@ -2134,7 +2134,7 @@
+ skip_DECSCNM(const char *value, int *flag)
+ {
+ *flag = -1;
+- if (value != 0) {
++ if (value != NULL) {
+ int skip = csi_length(value);
+ if (skip > 0 &&
+ value[skip++] == '?' &&
+@@ -2154,13 +2154,13 @@
+ check_delays(const TERMTYPE2 *tp, const char *name, const char *value)
+ {
+ const char *p, *q;
+- const char *first = 0;
+- const char *last = 0;
++ const char *first = NULL;
++ const char *last = NULL;
+
+ for (p = value; *p != '\0'; ++p) {
+ if (p[0] == '$' && p[1] == '<') {
+ const char *base = p + 2;
+- const char *mark = 0;
++ const char *mark = NULL;
+ bool mixed = FALSE;
+ int proportional = 0;
+ int mandatory = 0;
+@@ -2179,7 +2179,7 @@
+ ++mandatory;
+ if (mark == NULL)
+ mark = q;
+- } else if (!(isalnum(UChar(*q)) || strchr("+-.", *q) != 0)) {
++ } else if (!(isalnum(UChar(*q)) || strchr("+-.", *q) != NULL)) {
+ break;
+ } else if (proportional || mandatory) {
+ mixed = TRUE;
+@@ -2215,7 +2215,7 @@
+ if (!strcmp(name, "flash") ||
+ !strcmp(name, "beep")) {
+
+- if (first != 0) {
++ if (first != NULL) {
+ if (first == value || *last == 0) {
+ /*
+ * Delay is on one end or the other.
+@@ -2229,9 +2229,9 @@
+ * Check for missing delay when using VT100 reverse-video.
+ * A real VT100 might not need this, but terminal emulators do.
+ */
+- if ((p = skip_DECSCNM(value, &flag)) != 0 &&
++ if ((p = skip_DECSCNM(value, &flag)) != NULL &&
+ flag > 0 &&
+- skip_DECSCNM(p, &flag) != 0 &&
++ skip_DECSCNM(p, &flag) != NULL &&
+ flag == 0) {
+ _nc_warning("expected a delay in %s", name);
+ }
+@@ -2304,7 +2304,7 @@
+ break;
+ case Other:
+ default:
+-#define myParam(n) (p_is_s[n - 1] != 0 ? ((TPARM_ARG) strings[n]) : numbers[n])
++#define myParam(n) (p_is_s[n - 1] != NULL ? ((TPARM_ARG) strings[n]) : numbers[n])
+ result = TPARM_9(value,
+ myParam(1),
+ myParam(2),
+@@ -2648,7 +2648,7 @@
+ num == 7,
+ num == 8,
+ num == 9);
+- if (test != 0) {
++ if (test != NULL) {
+ if (PRESENT(cap)) {
+ if (!similar_sgr(num, test, cap)) {
+ _nc_warning("%s differs from sgr(%d)\n\t%s=%s\n\tsgr(%d)=%s",
+@@ -2868,7 +2868,7 @@
+ static void
+ check_exit_attribute(const char *name, char *test, char *trimmed, char *untrimmed)
+ {
+- if (VALID_STRING(test) && (trimmed != 0)) {
++ if (VALID_STRING(test) && (trimmed != NULL)) {
+ if (similar_sgr(-1, trimmed, test) ||
+ similar_sgr(-1, untrimmed, test)) {
+ _nc_warning("%s matches exit_attribute_mode", name);
+@@ -2963,7 +2963,7 @@
+ int result = -1;
+ const struct name_table_entry *np;
+
+- if ((np = _nc_find_entry(name, _nc_get_hash_table(0))) != 0) {
++ if ((np = _nc_find_entry(name, _nc_get_hash_table(0))) != NULL) {
+ result = np->nte_type;
+ }
+ return result;
+@@ -2990,7 +2990,7 @@
+ static void
+ check_user_capability_type(const char *name, int actual)
+ {
+- if (lookup_user_capability(name) == 0) {
++ if (lookup_user_capability(name) == NULL) {
+ int expected = standard_type(name);
+ if (expected >= 0) {
+ _nc_warning("expected %s to be %s, but actually %s",
+@@ -3156,7 +3156,7 @@
+ check_user_6789(const TERMTYPE2 *tp)
+ {
+ /*
+- * Check if the terminal is known to not
++ * Check if the terminal is known to not
+ */
+ #define NO_QUERY(longname,shortname) \
+ if (PRESENT(longname)) _nc_warning(#shortname " is not supported")
+@@ -3272,7 +3272,7 @@
+ ANDMISSING(clear_all_tabs, set_tab);
+
+ if (PRESENT(set_attributes)) {
+- char *zero = 0;
++ char *zero = NULL;
+
+ _nc_tparm_err = 0;
+ if (PRESENT(exit_attribute_mode)) {
+@@ -3282,7 +3282,7 @@
+ }
+ check_tparm_err(0);
+
+- if (zero != 0) {
++ if (zero != NULL) {
+ CHECK_SGR(1, enter_standout_mode);
+ CHECK_SGR(2, enter_underline_mode);
+ CHECK_SGR(3, enter_reverse_mode);
+@@ -3368,6 +3368,6 @@
+ /*
+ * Finally, do the non-verbose checks
+ */
+- if (save_check_termtype != 0)
++ if (save_check_termtype != NULL)
+ save_check_termtype(tp, literal);
+ }
+Index: progs/toe.c
+Prereq: 1.91
+--- ncurses-6.5-20241130+/progs/toe.c 2024-11-23 20:09:23.000000000 +0000
++++ ncurses-6.5-20241207/progs/toe.c 2024-12-07 22:12:53.000000000 +0000
+@@ -45,7 +45,7 @@
+ #include <hashed_db.h>
+ #endif
+
+-MODULE_ID("$Id: toe.c,v 1.91 2024/11/23 20:09:23 tom Exp $")
++MODULE_ID("$Id: toe.c,v 1.92 2024/12/07 22:12:53 tom Exp $")
+
+ #define isDotname(name) (!strcmp(name, ".") || !strcmp(name, ".."))
+
+@@ -86,7 +86,7 @@
+ strmalloc(const char *value)
+ {
+ char *result = strdup(value);
+- if (result == 0) {
++ if (result == NULL) {
+ failed("strmalloc");
+ }
+ return result;
+@@ -100,7 +100,7 @@
+ if (want >= len_termdata) {
+ len_termdata = (2 * want) + 10;
+ ptr_termdata = typeRealloc(TERMDATA, len_termdata, ptr_termdata);
+- if (ptr_termdata == 0)
++ if (ptr_termdata == NULL)
+ failed("ptr_termdata");
+ }
+
+@@ -200,14 +200,14 @@
+ static void
+ free_termdata(void)
+ {
+- if (ptr_termdata != 0) {
++ if (ptr_termdata != NULL) {
+ while (use_termdata != 0) {
+ --use_termdata;
+ free(ptr_termdata[use_termdata].term_name);
+ free(ptr_termdata[use_termdata].description);
+ }
+ free(ptr_termdata);
+- ptr_termdata = 0;
++ ptr_termdata = NULL;
+ }
+ use_termdata = 0;
+ len_termdata = 0;
+@@ -217,7 +217,7 @@
+ allocArgv(size_t count)
+ {
+ char **result = typeCalloc(char *, count + 1);
+- if (result == 0)
++ if (result == NULL)
+ failed("realloc eargv");
+
+ assert(result != 0);
+@@ -272,8 +272,8 @@
+ {
+ const char *desc;
+
+- if (tp->term_names == 0
+- || (desc = strrchr(tp->term_names, '|')) == 0
++ if (tp->term_names == NULL
++ || (desc = strrchr(tp->term_names, '|')) == NULL
+ || (*++desc == '\0')) {
+ desc = "(No description)";
+ }
+@@ -389,7 +389,7 @@
+ {
+ size_t len = NAMLEN(src);
+ char *result = malloc(len + 1);
+- if (result == 0)
++ if (result == NULL)
+ failed("copy entryname");
+ memcpy(result, src->d_name, len);
+ result[len] = '\0';
+@@ -409,11 +409,11 @@
+ for (i = 0; i < eargc; i++) {
+ #if NCURSES_USE_DATABASE
+ if (_nc_is_dir_path(eargv[i])) {
+- char *cwd_buf = 0;
++ char *cwd_buf = NULL;
+ DIR *termdir;
+ const DIRENT *subdir;
+
+- if ((termdir = opendir(eargv[i])) == 0) {
++ if ((termdir = opendir(eargv[i])) == NULL) {
+ (void) fflush(stdout);
+ (void) fprintf(stderr,
+ "%s: can't open terminfo directory %s\n",
+@@ -424,7 +424,7 @@
+ if (verbosity)
+ (void) printf("#\n#%s:\n#\n", eargv[i]);
+
+- while ((subdir = readdir(termdir)) != 0) {
++ while ((subdir = readdir(termdir)) != NULL) {
+ size_t cwd_len;
+ char *name_1;
+ DIR *entrydir;
+@@ -438,7 +438,7 @@
+
+ cwd_len = strlen(name_1) + strlen(eargv[i]) + 3;
+ cwd_buf = typeRealloc(char, cwd_len, cwd_buf);
+- if (cwd_buf == 0)
++ if (cwd_buf == NULL)
+ failed("realloc cwd_buf");
+
+ assert(cwd_buf != 0);
+@@ -451,11 +451,11 @@
+ continue;
+
+ entrydir = opendir(".");
+- if (entrydir == 0) {
++ if (entrydir == NULL) {
+ perror(cwd_buf);
+ continue;
+ }
+- while ((entry = readdir(entrydir)) != 0) {
++ while ((entry = readdir(entrydir)) != NULL) {
+ char *name_2;
+ TERMTYPE2 lterm;
+ char *cn;
+@@ -489,7 +489,7 @@
+ closedir(entrydir);
+ }
+ closedir(termdir);
+- if (cwd_buf != 0)
++ if (cwd_buf != NULL)
+ free(cwd_buf);
+ continue;
+ }
+@@ -605,7 +605,7 @@
+ bool direct_dependencies = FALSE;
+ bool invert_dependencies = FALSE;
+ bool header = FALSE;
+- const char *report_file = 0;
++ const char *report_file = NULL;
+ int code;
+ int this_opt, last_opt = '?';
+ unsigned v_opt = 0;
+@@ -660,8 +660,8 @@
+ }
+ use_verbosity(v_opt);
+
+- if (report_file != 0) {
+- if (freopen(report_file, "r", stdin) == 0) {
++ if (report_file != NULL) {
++ if (freopen(report_file, "r", stdin) == NULL) {
+ (void) fflush(stdout);
+ fprintf(stderr, "%s: can't open %s\n", _nc_progname, report_file);
+ ExitProgram(EXIT_FAILURE);
+@@ -669,7 +669,7 @@
+
+ /* parse entries out of the source file */
+ _nc_set_source(report_file);
+- _nc_read_entry_source(stdin, 0, FALSE, FALSE, NULLHOOK);
++ _nc_read_entry_source(stdin, NULL, FALSE, FALSE, NULLHOOK);
+ }
+
+ /* maybe we want a direct-dependency listing? */
+@@ -729,7 +729,7 @@
+ DBDIRS state;
+ int offset;
+ int pass;
+- char **eargv = 0;
++ char **eargv = NULL;
+
+ code = EXIT_FAILURE;
+ for (pass = 0; pass < 2; ++pass) {
+@@ -737,7 +737,7 @@
+ const char *path;
+
+ _nc_first_db(&state, &offset);
+- while ((path = _nc_next_db(&state, &offset)) != 0) {
++ while ((path = _nc_next_db(&state, &offset)) != NULL) {
+ if (quick_prefix(path))
+ continue;
+ if (pass) {
+@@ -747,7 +747,7 @@
+ }
+ if (!pass) {
+ eargv = allocArgv(count);
+- if (eargv == 0)
++ if (eargv == NULL)
+ failed("eargv");
+ } else {
+ code = typelist((int) count, eargv, header, hook);
+@@ -761,10 +761,10 @@
+ char **eargv = allocArgv((size_t) 2);
+ size_t count = 0;
+
+- if (eargv == 0)
++ if (eargv == NULL)
+ failed("eargv");
+ _nc_first_db(&state, &offset);
+- if ((path = _nc_next_db(&state, &offset)) != 0) {
++ if ((path = _nc_next_db(&state, &offset)) != NULL) {
+ if (!quick_prefix(path))
+ eargv[count++] = strmalloc(path);
+ }
+Index: progs/tput.c
+Prereq: 1.106
+--- ncurses-6.5-20241130+/progs/tput.c 2024-11-30 21:47:34.000000000 +0000
++++ ncurses-6.5-20241207/progs/tput.c 2024-12-07 22:12:53.000000000 +0000
+@@ -47,7 +47,7 @@
+ #include <transform.h>
+ #include <tty_settings.h>
+
+-MODULE_ID("$Id: tput.c,v 1.106 2024/11/30 21:47:34 tom Exp $")
++MODULE_ID("$Id: tput.c,v 1.107 2024/12/07 22:12:53 tom Exp $")
+
+ #define PUTS(s) fputs(s, stdout)
+
+@@ -256,15 +256,15 @@
+ */
+
+ for (k = 1; (k < argc) && (k <= NUM_PARM); k++) {
+- char *tmp = 0;
++ char *tmp = NULL;
+ strings[k] = argv[k];
+ numbers[k] = strtol(argv[k], &tmp, 0);
+- if (tmp == 0 || *tmp != 0)
++ if (tmp == NULL || *tmp != 0)
+ numbers[k] = 0;
+ }
+ for (k = argc; k <= NUM_PARM; k++) {
+ numbers[k] = 0;
+- strings[k] = 0;
++ strings[k] = NULL;
+ }
+
+ paramType = tparm_type(name);
+@@ -342,7 +342,7 @@
+ /* FALLTHRU */
+ default:
+ analyzed = _nc_tparm_analyze(NULL, s, p_is_s, &popcount);
+-#define myParam(n) (p_is_s[n - 1] != 0 ? ((TPARM_ARG) strings[n]) : numbers[n])
++#define myParam(n) (p_is_s[n - 1] != NULL ? ((TPARM_ARG) strings[n]) : numbers[n])
+ s = TPARM_9(s,
+ myParam(1),
+ myParam(2),
+@@ -440,7 +440,7 @@
+ argv += optind;
+ }
+
+- if (term == 0 || *term == '\0')
++ if (term == NULL || *term == '\0')
+ quit(ErrUsage, "No value for $TERM and no -T specified");
+
+ fd = save_tty_settings(&tty_settings, need_tty);
+@@ -464,7 +464,7 @@
+ ExitProgram(code);
+ }
+
+- while (fgets(buf, sizeof(buf), stdin) != 0) {
++ while (fgets(buf, sizeof(buf), stdin) != NULL) {
+ size_t need = strlen(buf);
+ char **argvec = typeCalloc(char *, need + 1);
+ char **argnow;
+Index: progs/tset.c
+Prereq: 1.138
+--- ncurses-6.5-20241130+/progs/tset.c 2024-11-30 21:30:49.000000000 +0000
++++ ncurses-6.5-20241207/progs/tset.c 2024-12-07 22:14:46.000000000 +0000
+@@ -98,7 +98,7 @@
+ char *ttyname(int fd);
+ #endif
+
+-MODULE_ID("$Id: tset.c,v 1.138 2024/11/30 21:30:49 tom Exp $")
++MODULE_ID("$Id: tset.c,v 1.139 2024/12/07 22:14:46 tom Exp $")
+
+ #ifndef environ
+ extern char **environ;
+@@ -185,19 +185,19 @@
+ (void) fprintf(stderr, "Terminal type? ");
+ (void) fflush(stderr);
+
+- if (fgets(answer, sizeof(answer), stdin) == 0) {
+- if (dflt == 0) {
++ if (fgets(answer, sizeof(answer), stdin) == NULL) {
++ if (dflt == NULL) {
+ exit_error();
+ /* NOTREACHED */
+ }
+ return (dflt);
+ }
+
+- if ((p = strchr(answer, '\n')) != 0)
++ if ((p = strchr(answer, '\n')) != NULL)
+ *p = '\0';
+ if (answer[0])
+ return (answer);
+- if (dflt != 0)
++ if (dflt != NULL)
+ return (dflt);
+ }
+ }
+@@ -344,7 +344,7 @@
+ static int
+ tbaudrate(char *rate)
+ {
+- const SPEEDS *sp = 0;
++ const SPEEDS *sp = NULL;
+ size_t n;
+
+ /* The baudrate number can be preceded by a 'B', which is ignored. */
+@@ -361,7 +361,7 @@
+ break;
+ }
+ }
+- if (sp == 0)
++ if (sp == NULL)
+ err("unknown baud rate %s", rate);
+ return (sp->speed);
+ }
+@@ -377,18 +377,18 @@
+ MAP *mapp;
+ char *copy, *p;
+ const char *termp;
+- char *base = 0;
++ char *base = NULL;
+
+ copy = strdup(arg);
+ mapp = typeMalloc(MAP, 1);
+- if (copy == 0 || mapp == 0)
++ if (copy == NULL || mapp == NULL)
+ failed("malloc");
+
+ assert(copy != 0);
+ assert(mapp != 0);
+
+- mapp->next = 0;
+- if (maplist == 0)
++ mapp->next = NULL;
++ if (maplist == NULL)
+ cur = maplist = mapp;
+ else {
+ cur->next = mapp;
+@@ -400,14 +400,14 @@
+
+ arg = strpbrk(arg, "><@=!:");
+
+- if (arg == 0) { /* [?]term */
++ if (arg == NULL) { /* [?]term */
+ mapp->type = mapp->porttype;
+- mapp->porttype = 0;
++ mapp->porttype = NULL;
+ goto done;
+ }
+
+ if (arg == mapp->porttype) /* [><@=! baud]:term */
+- termp = mapp->porttype = 0;
++ termp = mapp->porttype = NULL;
+ else
+ termp = base = arg;
+
+@@ -442,7 +442,7 @@
+ ++arg;
+ } else { /* Optional baudrate. */
+ arg = strchr(p = arg, ':');
+- if (arg == 0)
++ if (arg == NULL)
+ goto badmopt;
+ *arg++ = '\0';
+ mapp->speed = tbaudrate(p);
+@@ -451,7 +451,7 @@
+ mapp->type = arg;
+
+ /* Terminate porttype, if specified. */
+- if (termp != 0)
++ if (termp != NULL)
+ *base = '\0';
+
+ /* If a NOT conditional, reverse the test. */
+@@ -499,7 +499,7 @@
+ int match;
+
+ for (mapp = maplist; mapp; mapp = mapp->next)
+- if (mapp->porttype == 0 || !strcmp(mapp->porttype, type)) {
++ if (mapp->porttype == NULL || !strcmp(mapp->porttype, type)) {
+ switch (mapp->conditional) {
+ case 0: /* No test specified. */
+ match = TRUE;
+@@ -562,11 +562,11 @@
+ }
+
+ /* Try the environment. */
+- if ((ttype = getenv("TERM")) != 0)
++ if ((ttype = getenv("TERM")) != NULL)
+ goto map;
+
+ #if HAVE_PATH_TTYS
+- if ((ttypath = ttyname(fd)) != 0) {
++ if ((ttypath = ttyname(fd)) != NULL) {
+ p = _nc_basename(ttypath);
+ #if HAVE_GETTTYNAM
+ /*
+@@ -616,14 +616,14 @@
+ * by out of date stuff in the environment.
+ */
+ found:
+- if ((p = getenv("TERMCAP")) != 0 && !_nc_is_abs_path(p)) {
++ if ((p = getenv("TERMCAP")) != NULL && !_nc_is_abs_path(p)) {
+ /* 'unsetenv("TERMCAP")' is not portable.
+ * The 'environ' array is better.
+ */
+ int n;
+- for (n = 0; environ[n] != 0; n++) {
++ for (n = 0; environ[n] != NULL; n++) {
+ if (!strncmp("TERMCAP=", environ[n], (size_t) 8)) {
+- while ((environ[n] = environ[n + 1]) != 0) {
++ while ((environ[n] = environ[n + 1]) != NULL) {
+ n++;
+ }
+ break;
+@@ -639,7 +639,7 @@
+ if (ttype[1] != '\0')
+ ttype = askuser(ttype + 1);
+ else
+- ttype = askuser(0);
++ ttype = askuser(NULL);
+ }
+ /* Find the terminfo entry. If it doesn't exist, ask the user. */
+ while (setupterm((NCURSES_CONST char *) ttype, fd, &errret)
+@@ -647,12 +647,12 @@
+ if (errret == 0) {
+ (void) fprintf(stderr, "%s: unknown terminal type %s\n",
+ _nc_progname, ttype);
+- ttype = 0;
++ ttype = NULL;
+ } else {
+ (void) fprintf(stderr,
+ "%s: can't initialize terminal type %s (error %d)\n",
+ _nc_progname, ttype, errret);
+- ttype = 0;
++ ttype = NULL;
+ }
+ ttype = askuser(ttype);
+ }
+@@ -713,7 +713,7 @@
+ * Figure out what shell we're using. A hack, we look for an
+ * environmental variable SHELL ending in "csh".
+ */
+- if ((var = getenv("SHELL")) != 0
++ if ((var = getenv("SHELL")) != NULL
+ && ((len = (int) strlen(leaf = _nc_basename(var))) >= 3)
+ && !strcmp(leaf + len - 3, "csh"))
+ p = "set noglob;\nsetenv TERM %s;\nunset noglob;\n";
+@@ -806,7 +806,7 @@
+ tkillchar = arg_to_char();
+ break;
+ case 'm': /* map identifier to type */
+- add_mapping(0, optarg);
++ add_mapping(NULL, optarg);
+ break;
+ case 'p': /* OBSOLETE: map identifier to type */
+ add_mapping("plugboard", optarg);
+Index: test/blue.c
+Prereq: 1.56
+--- ncurses-6.5-20241130+/test/blue.c 2024-10-05 19:26:24.000000000 +0000
++++ ncurses-6.5-20241207/test/blue.c 2024-12-07 22:27:13.000000000 +0000
+@@ -37,7 +37,7 @@
+ *****************************************************************************/
+
+ /*
+- * $Id: blue.c,v 1.56 2024/10/05 19:26:24 tom Exp $
++ * $Id: blue.c,v 1.57 2024/12/07 22:27:13 tom Exp $
+ */
+
+ #include <test.priv.h>
+@@ -454,7 +454,7 @@
+ * The ncurses library makes this check to decide whether to allow
+ * the alternate character set for the (normally) nonprinting codes.
+ */
+- if (smacs != 0 && smpch != 0 && !strcmp(smacs, smpch)) {
++ if (smacs != NULL && smpch != NULL && !strcmp(smacs, smpch)) {
+ suits = glyphs;
+ }
+ }
+Index: test/bs.c
+Prereq: 1.81
+--- ncurses-6.5-20241130+/test/bs.c 2024-11-30 16:47:02.000000000 +0000
++++ ncurses-6.5-20241207/test/bs.c 2024-12-07 22:18:28.000000000 +0000
+@@ -35,7 +35,7 @@
+ * v2.0 featuring strict ANSI/POSIX conformance, November 1993.
+ * v2.1 with ncurses mouse support, September 1995
+ *
+- * $Id: bs.c,v 1.81 2024/11/30 16:47:02 tom Exp $
++ * $Id: bs.c,v 1.82 2024/12/07 22:18:28 tom Exp $
+ */
+
+ #include <test.priv.h>
+@@ -224,12 +224,12 @@
+ {
+ const char *tmpname;
+
+- srand((unsigned) (time(0L) + getpid())); /* Kick the random number generator */
++ srand((unsigned) (time(NULL) + getpid())); /* Kick the random number generator */
+
+ InitAndCatch(initscr(), uninitgame);
+
+- if ((tmpname = getlogin()) != 0 &&
+- (your_name = strdup(tmpname)) != 0) {
++ if ((tmpname = getlogin()) != NULL &&
++ (your_name = strdup(tmpname)) != NULL) {
+ your_name[0] = (char) toupper(UChar(your_name[0]));
+ } else {
+ your_name = strdup(dftname);
+@@ -475,7 +475,7 @@
+ } else if (c == FF) {
+ (void) clearok(stdscr, TRUE);
+ (void) refresh();
+- } else if (ss == 0) {
++ } else if (ss == NULL) {
+ beep(); /* simple to verify, unlikely to happen */
+ } else if (c == 'r') {
+ prompt(1, "Random-placing your %s", ss->name);
+@@ -877,7 +877,7 @@
+ m = " You'll pick up survivors from my %s, I hope...!";
+ break;
+ }
+- if (m != 0) {
++ if (m != NULL) {
+ (void) printw(m, ss->name);
+ }
+ (void) beep();
+Index: test/cardfile.c
+Prereq: 1.53
+--- ncurses-6.5-20241130+/test/cardfile.c 2024-11-30 16:47:59.000000000 +0000
++++ ncurses-6.5-20241207/test/cardfile.c 2024-12-07 22:27:13.000000000 +0000
+@@ -30,7 +30,7 @@
+ /*
+ * Author: Thomas E. Dickey
+ *
+- * $Id: cardfile.c,v 1.53 2024/11/30 16:47:59 tom Exp $
++ * $Id: cardfile.c,v 1.54 2024/12/07 22:27:13 tom Exp $
+ *
+ * File format: text beginning in column 1 is a title; other text is content.
+ */
+@@ -47,7 +47,7 @@
+ #define pair_1 1
+ #define pair_2 2
+
+-#define isVisible(cardp) ((cardp)->panel != 0)
++#define isVisible(cardp) ((cardp)->panel != NULL)
+
+ enum {
+ MY_CTRL_x = MAX_FORM_COMMAND
+@@ -100,7 +100,7 @@
+ {
+ CARD *card, *p, *q;
+
+- for (p = all_cards, q = 0; p != 0; q = p, p = p->link) {
++ for (p = all_cards, q = NULL; p != NULL; q = p, p = p->link) {
+ int cmp = strcmp(p->title, title);
+ if (cmp == 0)
+ return p;
+@@ -112,7 +112,7 @@
+ card->title = strdup(title);
+ card->content = strdup("");
+
+- if (q == 0) {
++ if (q == NULL) {
+ card->link = all_cards;
+ all_cards = card;
+ } else {
+@@ -132,7 +132,7 @@
+ if ((total = strlen(content)) != 0) {
+ size_t offset;
+
+- if (card->content != 0 && (offset = strlen(card->content)) != 0) {
++ if (card->content != NULL && (offset = strlen(card->content)) != 0) {
+ total += 1 + offset;
+ card->content = typeRealloc(char, total + 1, card->content);
+ if (card->content) {
+@@ -141,7 +141,7 @@
+ }
+ } else {
+ offset = 0;
+- if (card->content != 0)
++ if (card->content != NULL)
+ free(card->content);
+ card->content = typeMalloc(char, total + 1);
+ }
+@@ -165,7 +165,7 @@
+ {
+ CARD *card;
+
+- for (card = all_cards; card != 0; card = card->link)
++ for (card = all_cards; card != NULL; card = card->link)
+ if (!strcmp(card->title, title))
+ break;
+
+@@ -177,17 +177,17 @@
+ {
+ FILE *fp;
+
+- if ((fp = fopen(fname, "r")) != 0) {
+- CARD *card = 0;
++ if ((fp = fopen(fname, "r")) != NULL) {
++ CARD *card = NULL;
+ char buffer[BUFSIZ];
+
+ while (fgets(buffer, sizeof(buffer), fp)) {
+ trim(buffer);
+ if (isspace(UChar(*buffer))) {
+- if (card == 0)
++ if (card == NULL)
+ card = add_title("");
+ add_content(card, buffer);
+- } else if ((card = find_card(buffer)) == 0) {
++ } else if ((card = find_card(buffer)) == NULL) {
+ card = add_title(buffer);
+ }
+ }
+@@ -205,17 +205,17 @@
+ if (!strcmp(fname, default_name))
+ fname = "cardfile.out";
+
+- if ((fp = fopen(fname, "w")) != 0) {
+- CARD *p = 0;
++ if ((fp = fopen(fname, "w")) != NULL) {
++ CARD *p = NULL;
+
+- for (p = all_cards; p != 0; p = p->link) {
++ for (p = all_cards; p != NULL; p = p->link) {
+ FIELD **f = form_fields(p->form);
+ int n;
+
+- for (n = 0; f[n] != 0; n++) {
++ for (n = 0; f[n] != NULL; n++) {
+ char *s = field_buffer(f[n], 0);
+- if (s != 0
+- && (s = strdup(s)) != 0) {
++ if (s != NULL
++ && (s = strdup(s)) != NULL) {
+ trim(s);
+ fprintf(fp, "%s%s\n", n ? "\t" : "", s);
+ free(s);
+@@ -237,7 +237,7 @@
+ CARD *p;
+ int count = 0;
+
+- for (p = all_cards; p != 0; p = p->link)
++ for (p = all_cards; p != NULL; p = p->link)
+ count++;
+
+ return count;
+@@ -263,7 +263,7 @@
+ static CARD *
+ next_card(CARD * now)
+ {
+- if (now->link != 0) {
++ if (now->link != NULL) {
+ CARD *tst = now->link;
+ if (isVisible(tst))
+ now = tst;
+@@ -280,7 +280,7 @@
+ prev_card(CARD * now)
+ {
+ CARD *p;
+- for (p = all_cards; p != 0; p = p->link) {
++ for (p = all_cards; p != NULL; p = p->link) {
+ if (p->link == now) {
+ if (!isVisible(p))
+ p = prev_card(p);
+@@ -355,7 +355,7 @@
+ set_field_just(f[1], JUSTIFY_LEFT);
+ field_opts_off(f[1], O_BLANK);
+
+- f[2] = 0;
++ f[2] = NULL;
+ return f;
+ }
+
+@@ -375,7 +375,7 @@
+ {
+ int n;
+
+- for (n = 0; f[n] != 0; ++n) {
++ for (n = 0; f[n] != NULL; ++n) {
+ free_field(f[n]);
+ }
+ free(f);
+@@ -414,9 +414,9 @@
+ x = 0;
+
+ /* make a panel for each CARD */
+- for (p = all_cards; p != 0; p = p->link) {
++ for (p = all_cards; p != NULL; p = p->link) {
+
+- if ((win = newwin(panel_high, panel_wide, y, x)) == 0)
++ if ((win = newwin(panel_high, panel_wide, y, x)) == NULL)
+ break;
+
+ wbkgd(win, (chtype) COLOR_PAIR(pair_2));
+@@ -478,7 +478,7 @@
+ x = 0;
+
+ show_legend();
+- for (p = all_cards; p != 0; p = p->link) {
++ for (p = all_cards; p != NULL; p = p->link) {
+ FIELD **oldf = form_fields(p->form);
+ WINDOW *olds = form_sub(p->form);
+
+@@ -528,7 +528,7 @@
+ }
+ }
+ #if NO_LEAKS
+- while (all_cards != 0) {
++ while (all_cards != NULL) {
+ p = all_cards;
+ all_cards = all_cards->link;
+
+Index: test/chgat.c
+Prereq: 1.23
+--- ncurses-6.5-20241130+/test/chgat.c 2024-10-06 22:35:55.000000000 +0000
++++ ncurses-6.5-20241207/test/chgat.c 2024-12-07 22:27:13.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: chgat.c,v 1.23 2024/10/06 22:35:55 tom Exp $
++ * $Id: chgat.c,v 1.24 2024/12/07 22:27:13 tom Exp $
+ *
+ * test-driver for chgat/wchgat/mvchgat/mvwchgat
+ */
+@@ -77,7 +77,7 @@
+ };
+ /* *INDENT-ON* */
+
+- const char *result = 0;
++ const char *result = NULL;
+
+ if (has_colors()) {
+ static bool first = TRUE;
+@@ -114,7 +114,7 @@
+ };
+ /* *INDENT-ON* */
+
+- const char *result = 0;
++ const char *result = NULL;
+
+ if (state < SIZEOF(table)) {
+ *attr = table[state].attr;
+@@ -151,9 +151,9 @@
+ getyx(win, y, x);
+ wmove(win, 0, 0);
+ wprintw(win, "Count %d", sp->count);
+- if (sp->v_msg != 0)
++ if (sp->v_msg != NULL)
+ wprintw(win, " Video %s", sp->v_msg);
+- if (sp->c_msg != 0)
++ if (sp->c_msg != NULL)
+ wprintw(win, " Color %s", sp->c_msg);
+ wclrtoeol(win);
+ wmove(win, y, x);
+@@ -165,10 +165,10 @@
+ WINDOW *win1 = newwin(sp->y_max - 2, sp->x_max - 2,
+ sp->y_beg + 1, sp->x_beg + 1);
+
+- if (win1 != 0 && sp->y_max > 4 && sp->x_max > 4) {
++ if (win1 != NULL && sp->y_max > 4 && sp->x_max > 4) {
+ WINDOW *win2 = derwin(win1, sp->y_max - 4, sp->x_max - 4, 1, 1);
+
+- if (win2 != 0) {
++ if (win2 != NULL) {
+ box(win1, 0, 0);
+ wrefresh(win1);
+ func(win2);
+@@ -180,7 +180,7 @@
+ delwin(win1);
+ touchwin(win);
+ } else {
+- if (win1 != 0)
++ if (win1 != NULL)
+ delwin(win1);
+ beep();
+ }
+@@ -218,7 +218,7 @@
+ ,"= resets count to zero."
+ ,"- negates count."
+ ,"? shows this help-window"
+- ,0
++ ,NULL
+ };
+
+ popup_msg(win, msgs);
+@@ -230,14 +230,14 @@
+ switch (sp->ch) {
+ case ' ': /* next test-iteration */
+ if (has_colors()) {
+- if ((sp->c_msg = color_params(++(sp->c), &(sp->pair))) == 0) {
++ if ((sp->c_msg = color_params(++(sp->c), &(sp->pair))) == NULL) {
+ sp->c_msg = color_params(sp->c = 0, &(sp->pair));
+- if ((sp->v_msg = video_params(++(sp->v), &(sp->attr))) == 0) {
++ if ((sp->v_msg = video_params(++(sp->v), &(sp->attr))) == NULL) {
+ sp->v_msg = video_params(sp->v = 0, &(sp->attr));
+ }
+ }
+ } else {
+- if ((sp->v_msg = video_params(++(sp->v), &(sp->attr))) == 0) {
++ if ((sp->v_msg = video_params(++(sp->v), &(sp->attr))) == NULL) {
+ sp->v_msg = video_params(sp->v = 0, &(sp->attr));
+ }
+ }
+Index: test/clip_printw.c
+Prereq: 1.25
+--- ncurses-6.5-20241130+/test/clip_printw.c 2024-10-06 22:36:25.000000000 +0000
++++ ncurses-6.5-20241207/test/clip_printw.c 2024-12-07 22:22:51.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: clip_printw.c,v 1.25 2024/10/06 22:36:25 tom Exp $
++ * $Id: clip_printw.c,v 1.26 2024/12/07 22:22:51 tom Exp $
+ *
+ * demonstrate how to use printw with/without wrapping.
+ */
+@@ -122,7 +122,7 @@
+ };
+ /* *INDENT-ON* */
+
+- const char *result = 0;
++ const char *result = NULL;
+
+ if (has_colors()) {
+ static bool first = TRUE;
+@@ -161,7 +161,7 @@
+ };
+ /* *INDENT-ON* */
+
+- const char *result = 0;
++ const char *result = NULL;
+
+ if (state < SIZEOF(table)) {
+ *attr = table[state].attr;
+@@ -201,9 +201,9 @@
+ wmove(win, 0, 0);
+ wprintw(win, "Clip %s", sp->single ? "line" : "window");
+ wprintw(win, " Count %d", sp->count);
+- if (sp->v_msg != 0)
++ if (sp->v_msg != NULL)
+ wprintw(win, " Video %s", sp->v_msg);
+- if (sp->c_msg != 0)
++ if (sp->c_msg != NULL)
+ wprintw(win, " Color %s", sp->c_msg);
+ wprintw(win, " (%d)", sp->status);
+ wclrtoeol(win);
+@@ -219,14 +219,14 @@
+ sp->y_beg + MARGIN,
+ sp->x_beg + MARGIN);
+
+- if (win1 != 0 && sp->y_max > 4 && sp->x_max > 4) {
++ if (win1 != NULL && sp->y_max > 4 && sp->x_max > 4) {
+ WINDOW *win2 = derwin(win1,
+ sp->y_max - (2 * MARGIN) - 2,
+ sp->x_max - (2 * MARGIN) - 2,
+ (win == stdscr) ? Y_BASE : Y_BASE,
+ MARGIN);
+
+- if (win2 != 0) {
++ if (win2 != NULL) {
+ box(win1, 0, 0);
+ wrefresh(win1);
+ func(win2);
+@@ -283,7 +283,7 @@
+ ,". calls vw_printw at the current position with the given count."
+ ,"= resets count to zero."
+ ,"? shows this help-window"
+- ,0
++ ,NULL
+ };
+
+ popup_msg(win, msgs);
+@@ -297,14 +297,14 @@
+ switch (sp->ch) {
+ case ' ': /* next test-iteration */
+ if (has_colors()) {
+- if ((sp->c_msg = color_params(++(sp->c), &(sp->pair))) == 0) {
++ if ((sp->c_msg = color_params(++(sp->c), &(sp->pair))) == NULL) {
+ sp->c_msg = color_params(sp->c = 0, &(sp->pair));
+- if ((sp->v_msg = video_params(++(sp->v), &(sp->attr))) == 0) {
++ if ((sp->v_msg = video_params(++(sp->v), &(sp->attr))) == NULL) {
+ sp->v_msg = video_params(sp->v = 0, &(sp->attr));
+ }
+ }
+ } else {
+- if ((sp->v_msg = video_params(++(sp->v), &(sp->attr))) == 0) {
++ if ((sp->v_msg = video_params(++(sp->v), &(sp->attr))) == NULL) {
+ sp->v_msg = video_params(sp->v = 0, &(sp->attr));
+ }
+ }
+@@ -396,7 +396,7 @@
+ need = (unsigned) want - 1;
+ _nc_STRCPY(fmt, "%c%s%c", sizeof(fmt));
+ }
+- if ((buffer = typeMalloc(char, need + 1)) != 0) {
++ if ((buffer = typeMalloc(char, need + 1)) != NULL) {
+ for (j = 0; j < need; ++j) {
+ buffer[j] = (char) ('A' + (j % 26));
+ }
+Index: test/color_content.c
+Prereq: 1.21
+--- ncurses-6.5-20241130+/test/color_content.c 2024-11-30 18:31:01.000000000 +0000
++++ ncurses-6.5-20241207/test/color_content.c 2024-12-07 22:22:51.000000000 +0000
+@@ -26,7 +26,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: color_content.c,v 1.21 2024/11/30 18:31:01 tom Exp $
++ * $Id: color_content.c,v 1.22 2024/12/07 22:22:51 tom Exp $
+ */
+
+ #define NEED_TIME_H
+@@ -186,7 +186,7 @@
+ my_color_t g;
+ my_color_t b;
+ if (ColorContent(color, &r, &g, &b) == OK) {
+- if (expected != 0) {
++ if (expected != NULL) {
+ if (r != expected[color].r)
+ success = FALSE;
+ if (g != expected[color].g)
+Index: test/color_name.h
+Prereq: 1.10
+--- ncurses-6.5-20241130+/test/color_name.h 2024-10-05 19:26:24.000000000 +0000
++++ ncurses-6.5-20241207/test/color_name.h 2024-12-07 22:17:24.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: color_name.h,v 1.10 2024/10/05 19:26:24 tom Exp $
++ * $Id: color_name.h,v 1.11 2024/12/07 22:17:24 tom Exp $
+ */
+
+ #ifndef __COLORNAME_H
+@@ -62,10 +62,10 @@
+ color_code(const char *color)
+ {
+ int result = 0;
+- char *endp = 0;
++ char *endp = NULL;
+
+ if ((result = (int) strtol(color, &endp, 0)) >= 0
+- && (endp == 0 || *endp == 0)) {
++ && (endp == NULL || *endp == 0)) {
+ ;
+ } else if (!strcmp(color, "default")) {
+ result = -1;
+@@ -87,7 +87,7 @@
+ color_name(int color)
+ {
+ static char temp[20];
+- const char *result = 0;
++ const char *result = NULL;
+
+ if (color >= (int) SIZEOF(the_color_names)) {
+ _nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp)) "%d", color);
+Index: test/combine.c
+Prereq: 1.25
+--- ncurses-6.5-20241130+/test/combine.c 2024-11-30 19:08:20.000000000 +0000
++++ ncurses-6.5-20241207/test/combine.c 2024-12-07 22:22:51.000000000 +0000
+@@ -26,7 +26,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: combine.c,v 1.25 2024/11/30 19:08:20 tom Exp $
++ * $Id: combine.c,v 1.26 2024/12/07 22:22:51 tom Exp $
+ */
+
+ #include <test.priv.h>
+@@ -174,7 +174,7 @@
+ ++d;
+ }
+ popup_msg2(current, msgs);
+- for (s = 0; msgs[s] != 0; ++s) {
++ for (s = 0; msgs[s] != NULL; ++s) {
+ free(msgs[s]);
+ }
+ free(msgs);
+Index: test/demo_altkeys.c
+Prereq: 1.17
+--- ncurses-6.5-20241130+/test/demo_altkeys.c 2023-02-25 18:08:02.000000000 +0000
++++ ncurses-6.5-20241207/test/demo_altkeys.c 2024-12-07 23:02:27.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2018-2022,2023 Thomas E. Dickey *
++ * Copyright 2018-2023,2024 Thomas E. Dickey *
+ * Copyright 2005-2016,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: demo_altkeys.c,v 1.17 2023/02/25 18:08:02 tom Exp $
++ * $Id: demo_altkeys.c,v 1.18 2024/12/07 23:02:27 tom Exp $
+ *
+ * Demonstrate the define_key() function.
+ * Thomas Dickey - 2005/10/22
+@@ -49,7 +49,7 @@
+ {
+ FILE *fp;
+
+- if ((fp = fopen(MY_LOGFILE, "a")) != 0) {
++ if ((fp = fopen(MY_LOGFILE, "a")) != NULL) {
+ char temp[256];
+ int y, x, n;
+ int need = sizeof(temp) - 1;
+@@ -114,7 +114,7 @@
+ unlink(MY_LOGFILE);
+
+ setlocale(LC_ALL, "");
+- if (newterm(0, stdout, stdin) == 0) {
++ if (newterm(NULL, stdout, stdin) == NULL) {
+ fprintf(stderr, "Cannot initialize terminal\n");
+ ExitProgram(EXIT_FAILURE);
+ }
+@@ -135,7 +135,7 @@
+ }
+ for (n = KEY_MIN; n < KEY_MAX; ++n) {
+ char *value;
+- if ((value = keybound(n, 0)) != 0) {
++ if ((value = keybound(n, 0)) != NULL) {
+ size_t need = strlen(value) + 2;
+ char *temp = typeMalloc(char, need);
+ _nc_SPRINTF(temp, _nc_SLIMIT(need) "\033%s", value);
+@@ -158,7 +158,7 @@
+ printw("Keycode %d, name %s%s\n",
+ ch,
+ escaped ? "ESC-" : "",
+- name != 0 ? name : "<null>");
++ name != NULL ? name : "<null>");
+ log_last_line(stdscr);
+ clrtoeol();
+ if (ch == 'q')
+Index: test/demo_defkey.c
+Prereq: 1.36
+--- ncurses-6.5-20241130+/test/demo_defkey.c 2024-10-05 18:20:04.000000000 +0000
++++ ncurses-6.5-20241207/test/demo_defkey.c 2024-12-07 22:22:51.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: demo_defkey.c,v 1.36 2024/10/05 18:20:04 tom Exp $
++ * $Id: demo_defkey.c,v 1.37 2024/12/07 22:22:51 tom Exp $
+ *
+ * Demonstrate the define_key() function.
+ * Thomas Dickey - 2002/11/23
+@@ -47,7 +47,7 @@
+ {
+ FILE *fp;
+
+- if ((fp = fopen(MY_LOGFILE, "a")) != 0) {
++ if ((fp = fopen(MY_LOGFILE, "a")) != NULL) {
+ char temp[256];
+ int y, x, n;
+ int need = sizeof(temp) - 1;
+@@ -98,7 +98,7 @@
+ static char *
+ visible(const char *string)
+ {
+- char *result = 0;
++ char *result = NULL;
+
+ if (VALID_STRING(string) && *string != '\0') {
+ int pass;
+@@ -130,15 +130,15 @@
+ int rc;
+ const char *code_name = keyname(code);
+ char *old_string;
+- char *vis_string = 0;
++ char *vis_string = NULL;
+ char temp[80];
+
+- if (code_name == 0) {
++ if (code_name == NULL) {
+ _nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp)) "Keycode %d", code);
+ code_name = temp;
+ }
+
+- if ((old_string = keybound(code, 0)) != 0) {
++ if ((old_string = keybound(code, 0)) != NULL) {
+ wprintw(win, "%s is %s\n",
+ code_name,
+ vis_string = visible(old_string));
+@@ -153,7 +153,7 @@
+ if ((rc = key_defined(new_string)) > 0) {
+ wprintw(win, "%s was bound to %s\n", vis_string, keyname(rc));
+ log_last_line(win);
+- } else if (new_string != 0 && rc < 0) {
++ } else if (new_string != NULL && rc < 0) {
+ wprintw(win, "%s conflicts with longer strings\n", vis_string);
+ log_last_line(win);
+ }
+@@ -161,18 +161,18 @@
+ if (rc == ERR) {
+ wprintw(win, "%s unchanged\n", code_name);
+ log_last_line(win);
+- } else if (new_string != 0) {
++ } else if (new_string != NULL) {
+ wprintw(win, "%s is now bound to %s\n",
+ vis_string,
+ code_name);
+ log_last_line(win);
+- } else if (old_string != 0) {
++ } else if (old_string != NULL) {
+ wprintw(win, "%s deleted\n", code_name);
+ log_last_line(win);
+ }
+- if (vis_string != 0)
++ if (vis_string != NULL)
+ free(vis_string);
+- if (old_string != 0)
++ if (old_string != NULL)
+ free(old_string);
+ }
+
+@@ -182,14 +182,14 @@
+ char *value = tigetstr(name);
+
+ if (VALID_STRING(value)) {
+- const char *prefix = 0;
++ const char *prefix = NULL;
+
+ if (!(strncmp) (value, "\033[", (size_t) 2)) {
+ prefix = "\033O";
+ } else if (!(strncmp) (value, "\033O", (size_t) 2)) {
+ prefix = "\033[";
+ }
+- if (prefix != 0) {
++ if (prefix != NULL) {
+ char temp[BUFSIZ];
+ _nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp))
+ "%s%s", prefix, value + 2);
+@@ -207,7 +207,7 @@
+ static void
+ remove_definition(WINDOW *win, int code)
+ {
+- really_define_key(win, 0, code);
++ really_define_key(win, NULL, code);
+ }
+
+ static void
+@@ -297,7 +297,7 @@
+ const char *name = keyname(ch);
+ wprintw(win, "Keycode %d, name %s\n",
+ ch,
+- name != 0 ? name : "<null>");
++ name != NULL ? name : "<null>");
+ log_last_line(win);
+ wclrtoeol(win);
+ if (ch == 'q')
+Index: test/demo_forms.c
+Prereq: 1.67
+--- ncurses-6.5-20241130+/test/demo_forms.c 2024-10-06 21:15:12.000000000 +0000
++++ ncurses-6.5-20241207/test/demo_forms.c 2024-12-07 22:27:13.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: demo_forms.c,v 1.67 2024/10/06 21:15:12 tom Exp $
++ * $Id: demo_forms.c,v 1.68 2024/12/07 22:27:13 tom Exp $
+ *
+ * Demonstrate a variety of functions from the form library.
+ * Thomas Dickey - 2003/4/26
+@@ -50,7 +50,7 @@
+ static int j_value = 0;
+ static int m_value = 0;
+ static int o_value = 0;
+-static char *t_value = 0;
++static char *t_value = NULL;
+
+ static void
+ failed(const char *s)
+@@ -82,9 +82,9 @@
+ get_data(const char *name)
+ {
+ char *result = t_value;
+- if (my_data != 0) {
++ if (my_data != NULL) {
+ int n;
+- for (n = 0; my_data[n].name != 0; ++n) {
++ for (n = 0; my_data[n].name != NULL; ++n) {
+ if (!strcmp(name, my_data[n].name)) {
+ result = my_data[n].value;
+ break;
+@@ -102,21 +102,21 @@
+ {
+ FILE *fp = fopen(filename, "r");
+
+- if (fp != 0) {
++ if (fp != NULL) {
+ char buffer[BUFSIZ];
+ char *colon;
+ int more = 0;
+ int item = 0;
+
+ my_data = typeCalloc(MY_DATA, (size_t) 100); /* FIXME */
+- while (fgets(buffer, sizeof(buffer), fp) != 0) {
++ while (fgets(buffer, sizeof(buffer), fp) != NULL) {
+ chomp(buffer);
+ if (more) {
+ if (strcmp(buffer, ".")) {
+ char *prior = my_data[more - 1].value;
+ size_t need = strlen(buffer) + 2 + strlen(prior);
+ char *value = typeRealloc(char, need, prior);
+- if (value == 0)
++ if (value == NULL)
+ failed("realloc");
+ _nc_STRCAT(value, "\n", need);
+ _nc_STRCAT(value, buffer, need);
+@@ -126,13 +126,13 @@
+ }
+ } else if (*buffer == '#') {
+ continue;
+- } else if ((colon = strchr(buffer, ':')) != 0) {
++ } else if ((colon = strchr(buffer, ':')) != NULL) {
+ char *name;
+ char *value;
+ *colon++ = '\0';
+ name = strdup(buffer);
+ value = strdup(colon);
+- if (name == 0 || value == 0)
++ if (name == NULL || value == NULL)
+ failed("strdup");
+ my_data[item].name = name;
+ my_data[item].value = value;
+@@ -245,10 +245,10 @@
+ another_field(NCURSES_CONST FORM *form, NCURSES_CONST FIELD *const field)
+ {
+ FIELD **f = form_fields(form);
+- FIELD *result = 0;
++ FIELD *result = NULL;
+ int n;
+
+- for (n = 0; f[n] != 0; ++n) {
++ for (n = 0; f[n] != NULL; ++n) {
+ if (f[n] != field) {
+ result = f[n];
+ field_opts_on(result, O_SELECTABLE);
+@@ -273,7 +273,7 @@
+ help_edit_field();
+ break;
+ case MY_EDT_MODE:
+- if ((field = current_field(form)) != 0) {
++ if ((field = current_field(form)) != NULL) {
+ set_current_field(form, another_field(form, field));
+ if ((unsigned) field_opts(field) & O_EDIT) {
+ field_opts_off(field, O_EDIT);
+@@ -324,7 +324,7 @@
+ waddstr(win, " behind");
+ waddch(win, '\n');
+
+- if ((field = current_field(form)) != 0) {
++ if ((field = current_field(form)) != NULL) {
+ NCURSES_CONST FIELDTYPE *type;
+ int nbuf;
+
+@@ -333,7 +333,7 @@
+ new_page(field) ? "*" : "",
+ field_index(field), field_count(form),
+ field_arg(field) ? "(arg)" : "");
+- if ((type = field_type(field)) != 0) {
++ if ((type = field_type(field)) != NULL) {
+ if (type == TYPE_ALNUM)
+ waddstr(win, "ALNUM");
+ else if (type == TYPE_ALPHA)
+@@ -384,7 +384,7 @@
+ waddstr(win, "\n");
+ for (nbuf = 0; nbuf <= 2; ++nbuf) {
+ NCURSES_CONST char *buffer;
+- if ((buffer = field_buffer(field, nbuf)) != 0) {
++ if ((buffer = field_buffer(field, nbuf)) != NULL) {
+ wprintw(win, "buffer %d:", nbuf);
+ (void) wattrset(win, A_REVERSE);
+ if (nbuf) {
+@@ -410,7 +410,7 @@
+ int pg;
+ NCURSES_CONST char *fname;
+ static NCURSES_CONST char *my_enum[] =
+- {"first", "second", "third", 0};
++ {"first", "second", "third", NULL};
+
+ #ifdef NCURSES_MOUSE_VERSION
+ mousemask(ALL_MOUSE_EVENTS, (mmask_t *) 0);
+@@ -514,7 +514,7 @@
+
+ f[n] = (FIELD *) 0;
+
+- if ((form = new_form(f)) != 0) {
++ if ((form = new_form(f)) != NULL) {
+ NCURSES_CONST WINDOW *w;
+ WINDOW *also;
+ int finished = 0;
+@@ -543,7 +543,7 @@
+
+ free_form(form);
+ }
+- for (c = 0; f[c] != 0; c++) {
++ for (c = 0; f[c] != NULL; c++) {
+ free_edit_field(f[c]);
+ free_field(f[c]);
+ }
+Index: test/demo_keyok.c
+Prereq: 1.10
+--- ncurses-6.5-20241130+/test/demo_keyok.c 2024-08-24 17:16:49.000000000 +0000
++++ ncurses-6.5-20241207/test/demo_keyok.c 2024-12-07 22:22:51.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: demo_keyok.c,v 1.10 2024/08/24 17:16:49 tom Exp $
++ * $Id: demo_keyok.c,v 1.11 2024/12/07 22:22:51 tom Exp $
+ *
+ * Demonstrate the keyok() function.
+ * Thomas Dickey - 2002/11/23
+@@ -100,7 +100,7 @@
+ prior = ch;
+ wprintw(win, "Keycode %d, name %s\n",
+ ch,
+- name != 0 ? name : "<null>");
++ name != NULL ? name : "<null>");
+ wclrtoeol(win);
+ wrefresh(win);
+ if (ch >= KEY_MIN) {
+Index: test/demo_menus.c
+Prereq: 1.85
+--- ncurses-6.5-20241130+/test/demo_menus.c 2024-11-30 18:52:09.000000000 +0000
++++ ncurses-6.5-20241207/test/demo_menus.c 2024-12-07 22:27:13.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: demo_menus.c,v 1.85 2024/11/30 18:52:09 tom Exp $
++ * $Id: demo_menus.c,v 1.86 2024/12/07 22:27:13 tom Exp $
+ *
+ * Demonstrate a variety of functions from the menu library.
+ * Thomas Dickey - 2005/4/9
+@@ -311,9 +311,9 @@
+ menu_destroy(MENU * m, int itemsToo)
+ {
+ Trace(("menu_destroy %p", (void *) m));
+- if (m != 0) {
++ if (m != NULL) {
+ ITEM **items = menu_items(m);
+- const char *blob = 0;
++ const char *blob = NULL;
+ int count;
+
+ count = item_count(m);
+@@ -335,7 +335,7 @@
+ if (count > 0 && itemsToo) {
+ if (itemsToo & 1) {
+ ITEM **ip = items;
+- if (ip != 0) {
++ if (ip != NULL) {
+ while (*ip)
+ free_item(*ip++);
+ }
+@@ -362,14 +362,14 @@
+ static MENU_DATA table[] =
+ {
+ {"Exit", call_files, 0},
+- {(char *) 0, 0, 0}
++ {(char *) 0, NULL, 0}
+ };
+ static ITEM *items[SIZEOF(table)];
+
+ ITEM **ip = items;
+ int n;
+
+- for (n = 0; table[n].name != 0; ++n) {
++ for (n = 0; table[n].name != NULL; ++n) {
+ *ip = new_item(table[n].name, empty);
+ set_item_userptr(*ip, (void *) &table[n]);
+ ++ip;
+@@ -413,17 +413,17 @@
+ MY_DATA("Pumas"),
+ MY_DATA("Lions, Tigers, Bears, (Oh my!), Newts, Platypi, Lemurs"),
+ MY_DATA("Lions, Tigers, Bears, (Oh my!), Newts, Platypi, Lemurs, Lions, Tigers, Bears, (Oh my!), Newts, Platypi, Lemurs"),
+- {(char *) 0, 0, 0}
++ {(char *) 0, NULL, 0}
+ };
+ static ITEM **items;
+
+ ITEM **ip;
+- MENU_DATA *ap = 0;
+- MENU_DATA *myList = 0;
++ MENU_DATA *ap = NULL;
++ MENU_DATA *myList = NULL;
+ int i;
+ size_t count = 0;
+
+- if (filename != 0) {
++ if (filename != NULL) {
+ struct stat sb;
+ if (stat(filename, &sb) == 0
+ && (sb.st_mode & S_IFMT) == S_IFREG
+@@ -436,9 +436,9 @@
+ Trace(("build_select_menu blob=%p, items=%p",
+ (void *) blob,
+ (void *) items));
+- if (blob != 0 && list != 0) {
++ if (blob != NULL && list != NULL) {
+ FILE *fp = fopen(filename, "r");
+- if (fp != 0) {
++ if (fp != NULL) {
+ if (fread(blob, sizeof(char), size, fp) == size) {
+ bool mark = TRUE;
+ unsigned j, k;
+@@ -456,7 +456,7 @@
+ blob[j] = ' '; /* menu items are printable */
+ }
+ }
+- list[k].name = 0;
++ list[k].name = NULL;
+ count = k;
+ ap = myList = list;
+ }
+@@ -464,28 +464,28 @@
+ }
+ loaded_file = TRUE;
+ }
+- if (ap == 0)
++ if (ap == NULL)
+ free(items);
+ }
+ }
+- if (ap == 0) {
++ if (ap == NULL) {
+ count = SIZEOF(table) - 1;
+ items = typeCalloc(ITEM *, count + 1);
+ ap = table;
+ }
+
+ ip = items;
+- for (i = 0; ap[i].name != 0; ++i) {
++ for (i = 0; ap[i].name != NULL; ++i) {
+ ap[i].func = call_select;
+ ap[i].mask = (unsigned) i;
+ *ip = new_item(ap[i].name, empty);
+ set_item_userptr(*ip, (void *) &table[i]);
+ ++ip;
+ }
+- *ip = 0;
++ *ip = NULL;
+
+ mpSelect = menu_create(items, (int) count, 1, number);
+- if (myList != 0)
++ if (myList != NULL)
+ free(myList);
+ }
+
+@@ -527,7 +527,7 @@
+ T_TBL(TRACE_ATTRS),
+ T_TBL(TRACE_MAXIMUM),
+ {
+- (char *) 0, 0, 0
++ (char *) 0, NULL, 0
+ }
+ };
+
+@@ -539,7 +539,7 @@
+ ITEM **ip = items;
+ int n;
+
+- for (n = 0; t_tbl[n].name != 0; n++) {
++ for (n = 0; t_tbl[n].name != NULL; n++) {
+ *ip = new_item(t_tbl[n].name, empty);
+ set_item_userptr(*ip, (void *) &t_tbl[n]);
+ ++ip;
+@@ -556,8 +556,8 @@
+ static size_t need = 12;
+ int n;
+
+- if (buf == 0) {
+- for (n = 0; t_tbl[n].name != 0; n++)
++ if (buf == NULL) {
++ for (n = 0; t_tbl[n].name != NULL; n++)
+ need += strlen(t_tbl[n].name) + 2;
+ buf = typeMalloc(char, need);
+ if (!buf)
+@@ -568,7 +568,7 @@
+ _nc_STRCAT(buf, t_tbl[0].name ? t_tbl[0].name : "", need);
+ _nc_STRCAT(buf, ", ", need);
+ } else {
+- for (n = 1; t_tbl[n].name != 0; n++)
++ for (n = 1; t_tbl[n].name != NULL; n++)
+ if ((tlevel & t_tbl[n].mask) == t_tbl[n].mask) {
+ _nc_STRCAT(buf, t_tbl[n].name, need);
+ _nc_STRCAT(buf, ", ", need);
+@@ -595,7 +595,7 @@
+ if (i == items[0]) {
+ if (item_value(i)) {
+ ITEM **p;
+- for (p = items + 1; *p != 0; p++)
++ for (p = items + 1; *p != NULL; p++)
+ if (item_value(*p)) {
+ set_item_value(*p, FALSE);
+ changed = TRUE;
+@@ -670,7 +670,7 @@
+ break;
+ #endif
+ default:
+- result = 0;
++ result = NULL;
+ break;
+ }
+ return result;
+@@ -693,14 +693,14 @@
+ #ifdef TRACE
+ {"Trace", call_menus, 2},
+ #endif
+- {(char *) 0, 0, 0}
++ {(char *) 0, NULL, 0}
+ };
+ static ITEM *items[SIZEOF(table)];
+
+ ITEM **ip = items;
+ int n;
+
+- for (n = 0; table[n].name != 0; ++n) {
++ for (n = 0; table[n].name != NULL; ++n) {
+ *ip = new_item(table[n].name, empty);
+ set_item_userptr(*ip, (void *) &table[n]);
+ ++ip;
+@@ -1023,7 +1023,7 @@
+ #endif /* HAVE_RIPOFFLINE */
+ #ifdef TRACE
+ case 'D':
+- curses_trace((unsigned) strtoul(optarg, 0, 0));
++ curses_trace((unsigned) strtoul(optarg, NULL, 0));
+ break;
+ #endif
+ case OPTS_VERSION:
+@@ -1046,7 +1046,7 @@
+ init_pair(2, COLOR_BLUE, COLOR_WHITE);
+ }
+ status = newwin(3, COLS, LINES - 3, 0);
+- build_menus(argc > 1 ? argv[1] : 0);
++ build_menus(argc > 1 ? argv[1] : NULL);
+ perform_menus();
+ destroy_menus();
+
+Index: test/demo_new_pair.c
+Prereq: 1.31
+--- ncurses-6.5-20241130+/test/demo_new_pair.c 2024-11-09 20:43:56.000000000 +0000
++++ ncurses-6.5-20241207/test/demo_new_pair.c 2024-12-07 22:22:51.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: demo_new_pair.c,v 1.31 2024/11/09 20:43:56 tom Exp $
++ * $Id: demo_new_pair.c,v 1.32 2024/12/07 22:22:51 tom Exp $
+ *
+ * Demonstrate the alloc_pair() function.
+ */
+@@ -50,7 +50,7 @@
+ valid_cap(NCURSES_CONST char *name)
+ {
+ const char *value = tigetstr(name);
+- return (value != 0 && value != (char *) -1) ? TRUE : FALSE;
++ return (value != NULL && value != (char *) -1) ? TRUE : FALSE;
+ }
+
+ static attr_t
+@@ -188,7 +188,7 @@
+ " ? print this screen (exit on any character).",
+ "",
+ "To exit this program, press ^Q, ^[ or \"q\".",
+- 0
++ NULL
+ };
+
+ bool done = FALSE;
+@@ -243,7 +243,7 @@
+ fprintf(stderr, "cannot open terminal for output\n");
+ ExitProgram(EXIT_FAILURE);
+ }
+- if (newterm(NULL, output, stdin) == 0) {
++ if (newterm(NULL, output, stdin) == NULL) {
+ fprintf(stderr, "Cannot initialize terminal\n");
+ if (output != NULL)
+ fclose(output);
+Index: test/demo_panels.c
+Prereq: 1.52
+--- ncurses-6.5-20241130+/test/demo_panels.c 2024-11-23 19:07:23.000000000 +0000
++++ ncurses-6.5-20241207/test/demo_panels.c 2024-12-07 22:27:13.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: demo_panels.c,v 1.52 2024/11/23 19:07:23 tom Exp $
++ * $Id: demo_panels.c,v 1.53 2024/12/07 22:27:13 tom Exp $
+ *
+ * Demonstrate a variety of functions from the panel library.
+ */
+@@ -52,18 +52,18 @@
+ static void
+ close_input(void)
+ {
+- if (log_in != 0) {
++ if (log_in != NULL) {
+ fclose(log_in);
+- log_in = 0;
++ log_in = NULL;
+ }
+ }
+
+ static void
+ close_output(void)
+ {
+- if (log_out != 0) {
++ if (log_out != NULL) {
+ fclose(log_out);
+- log_out = 0;
++ log_out = NULL;
+ }
+ }
+
+@@ -88,7 +88,7 @@
+ saywhat(NCURSES_CONST char *text)
+ {
+ WINDOW *win = statusline();
+- if (text != 0 && *text != '\0') {
++ if (text != NULL && *text != '\0') {
+ waddstr(win, text);
+ waddstr(win, "; ");
+ }
+@@ -124,7 +124,7 @@
+
+ show_position(text, also, which, y1, x1);
+
+- if (log_in != 0) {
++ if (log_in != NULL) {
+ if (fscanf(log_in, "%c%d,%d\n", &cmd, &y1, &x1) == 3) {
+ switch (cmd) {
+ case LAST_POS:
+@@ -204,12 +204,12 @@
+ mkpanel(short color, int rows, int cols, int tly, int tlx)
+ {
+ WINDOW *win;
+- PANEL *pan = 0;
++ PANEL *pan = NULL;
+ char *userdata = typeMalloc(char, 6);
+
+- if ((win = newwin(rows, cols, tly, tlx)) != 0) {
++ if ((win = newwin(rows, cols, tly, tlx)) != NULL) {
+ keypad(win, TRUE);
+- if ((pan = new_panel(win)) == 0) {
++ if ((pan = new_panel(win)) == NULL) {
+ delwin(win);
+ } else if (use_colors) {
+ short fg = (short) ((color == COLOR_BLUE)
+@@ -231,7 +231,7 @@
+ static void
+ my_remove_panel(PANEL **pans, int which)
+ {
+- if (pans[which] != 0) {
++ if (pans[which] != NULL) {
+ PANEL *pan = pans[which];
+ WINDOW *win = panel_window(pan);
+ char *user = (char *) panel_userptr(pan);
+@@ -240,7 +240,7 @@
+ del_panel(pan);
+ delwin(win);
+
+- pans[which] = 0;
++ pans[which] = NULL;
+ }
+ }
+
+@@ -297,7 +297,7 @@
+ static void
+ my_move_panel(PANEL **pans, int which, bool continuous)
+ {
+- if (pans[which] != 0) {
++ if (pans[which] != NULL) {
+ int code;
+ int y0, x0;
+ int y1, x1;
+@@ -322,7 +322,7 @@
+ static void
+ my_resize_panel(PANEL **pans, int which, FillPanel myFill)
+ {
+- if (pans[which] != 0) {
++ if (pans[which] != NULL) {
+ int code;
+ int y0, x0;
+ int y1, x1;
+@@ -341,7 +341,7 @@
+ ABS(x1 - x0) + 1,
+ MIN(y0, y1),
+ MIN(x0, x1));
+- if (next != 0) {
++ if (next != NULL) {
+ keypad(next, TRUE);
+ if (use_colors) {
+ wbkgdset(next, (chtype) (COLOR_PAIR(which) | ' '));
+@@ -411,7 +411,7 @@
+
+ source[0] = (wchar_t) (digit + 0xff10);
+ source[1] = 0;
+- setcchar(target, source, A_NORMAL, 0, 0);
++ setcchar(target, source, A_NORMAL, 0, NULL);
+ }
+
+ static void
+@@ -507,7 +507,7 @@
+
+ memset(table, 0, sizeof(table));
+ for (j = 1; j <= MAX_PANELS; ++j) {
+- table[j].valid = (px[j] != 0);
++ table[j].valid = (px[j] != NULL);
+ if (table[j].valid) {
+ table[j].hidden = panel_hidden(px[j]) ? TRUE : FALSE;
+ table[j].above = panel_above(px[j]);
+@@ -515,11 +515,11 @@
+ }
+ }
+
+- if ((win = newwin(LINES - 1, COLS, 0, 0)) != 0) {
++ if ((win = newwin(LINES - 1, COLS, 0, 0)) != NULL) {
+ PANEL *pan;
+
+ keypad(win, TRUE);
+- if ((pan = new_panel(win)) != 0) {
++ if ((pan = new_panel(win)) != NULL) {
+ werase(win);
+ MvWPrintw(win, 0, 0, "Panels:\n");
+ for (j = 1; j <= MAX_PANELS; ++j) {
+@@ -554,7 +554,7 @@
+ static int my_##func(PANEL *pan) \
+ { \
+ int code = ERR; \
+- if (pan != 0) { \
++ if (pan != NULL) { \
+ code = func(pan); \
+ } \
+ return code; \
+@@ -578,7 +578,7 @@
+ return;
+ }
+
+- if (log_in != 0) {
++ if (log_in != NULL) {
+ pflush();
+ }
+
+@@ -617,7 +617,7 @@
+ static bool
+ ok_letter(int ch)
+ {
+- return isalpha(UChar(ch)) && strchr("bcdhmMrst", ch) != 0;
++ return isalpha(UChar(ch)) && strchr("bcdhmMrst", ch) != NULL;
+ }
+
+ static bool
+@@ -644,8 +644,8 @@
+ waddstr(win, "Command:");
+ buffer[length = 0] = '\0';
+
+- if (log_in != 0) {
+- if (fgets(buffer, limit - 3, log_in) != 0) {
++ if (log_in != NULL) {
++ if (fgets(buffer, limit - 3, log_in) != NULL) {
+ length = (int) strlen(buffer);
+ while (length > 0 && isspace(UChar(buffer[length - 1])))
+ buffer[--length] = '\0';
+Index: test/demo_termcap.c
+Prereq: 1.72
+--- ncurses-6.5-20241130+/test/demo_termcap.c 2024-11-30 18:31:01.000000000 +0000
++++ ncurses-6.5-20241207/test/demo_termcap.c 2024-12-07 22:27:13.000000000 +0000
+@@ -30,7 +30,7 @@
+ /*
+ * Author: Thomas E. Dickey
+ *
+- * $Id: demo_termcap.c,v 1.72 2024/11/30 18:31:01 tom Exp $
++ * $Id: demo_termcap.c,v 1.73 2024/12/07 22:27:13 tom Exp $
+ *
+ * A simple demo of the termcap interface.
+ */
+@@ -101,7 +101,7 @@
+ static long total_n_values;
+ static long total_s_values;
+
+-#define isCapName(c) (isgraph(c) && strchr("^=:\\", c) == 0)
++#define isCapName(c) (isgraph(c) && strchr("^=:\\", c) == NULL)
+ #define EachCapName(n) n = 33; n < 127; ++n
+
+ static char *
+@@ -150,17 +150,17 @@
+ static char *
+ next_dbitem(void)
+ {
+- char *result = 0;
++ char *result = NULL;
+
+ if (db_list) {
+- if ((result = db_list[db_item]) == 0) {
++ if ((result = db_list[db_item]) == NULL) {
+ db_item = 0;
+ result = db_list[0];
+ } else {
+ db_item++;
+ }
+ }
+- if (result != 0)
++ if (result != NULL)
+ printf("** %s\n", result);
+ return result;
+ }
+@@ -174,7 +174,7 @@
+ for (n = 0; db_list[n]; ++n)
+ free(db_list[n]);
+ free(db_list);
+- db_list = 0;
++ db_list = NULL;
+ }
+ }
+ #endif /* NO_LEAKS */
+@@ -259,7 +259,7 @@
+ NCURSES_CONST char *str;
+ int num;
+
+- if ((str = tgetstr(cap, &ap)) != 0) {
++ if ((str = tgetstr(cap, &ap)) != NULL) {
+ total_values++;
+ total_s_values++;
+ if (!q_opt) {
+@@ -343,7 +343,7 @@
+ if (b_opt) {
+ for (n = 0;; ++n) {
+ cap = my_boolcodes[n];
+- if (cap == 0)
++ if (cap == NULL)
+ break;
+ dumpit(cap);
+ }
+@@ -352,7 +352,7 @@
+ if (n_opt) {
+ for (n = 0;; ++n) {
+ cap = my_numcodes[n];
+- if (cap == 0)
++ if (cap == NULL)
+ break;
+ dumpit(cap);
+ }
+@@ -361,16 +361,16 @@
+ if (s_opt) {
+ for (n = 0;; ++n) {
+ cap = my_strcodes[n];
+- if (cap == 0)
++ if (cap == NULL)
+ break;
+ dumpit(cap);
+ }
+ }
+ #ifdef NCURSES_VERSION
+- if (x_opt && (my_blob == 0) && y_opt) {
++ if (x_opt && (my_blob == NULL) && y_opt) {
+ #if NCURSES_XNAMES
+ NCURSES_CONST TERMTYPE *term = (TERMTYPE *) cur_term;
+- if (term != 0
++ if (term != NULL
+ && ((NUM_BOOLEANS(term) != BOOLCOUNT)
+ || (NUM_NUMBERS(term) != NUMCOUNT)
+ || (NUM_STRINGS(term) != STRCOUNT))) {
+@@ -429,16 +429,16 @@
+ * None of the arrays could be larger than the input-file, and since it
+ * is small, just allocate the maximum for simplicity.
+ */
+- if ((my_blob = malloc((size_t) sb.st_size + 1)) == 0 ||
+- (my_boolcodes = typeCalloc(char *, sb.st_size)) == 0 ||
+- (my_numcodes = typeCalloc(char *, sb.st_size)) == 0 ||
+- (my_numvalues = typeCalloc(char *, sb.st_size)) == 0 ||
+- (my_strcodes = typeCalloc(char *, sb.st_size)) == 0 ||
+- (my_strvalues = typeCalloc(char *, sb.st_size)) == 0) {
++ if ((my_blob = malloc((size_t) sb.st_size + 1)) == NULL ||
++ (my_boolcodes = typeCalloc(char *, sb.st_size)) == NULL ||
++ (my_numcodes = typeCalloc(char *, sb.st_size)) == NULL ||
++ (my_numvalues = typeCalloc(char *, sb.st_size)) == NULL ||
++ (my_strcodes = typeCalloc(char *, sb.st_size)) == NULL ||
++ (my_strvalues = typeCalloc(char *, sb.st_size)) == NULL) {
+ failed("cannot allocate memory for input-file");
+ }
+
+- if ((fp = fopen(input_name, "r")) == 0) {
++ if ((fp = fopen(input_name, "r")) == NULL) {
+ failed("cannot open input-file");
+ } else {
+ len = fread(my_blob, sizeof(char), (size_t) sb.st_size, fp);
+@@ -674,11 +674,11 @@
+ break;
+ }
+ }
+- my_boolcodes[count_bools] = 0;
+- my_numcodes[count_nums] = 0;
+- my_numvalues[count_nums] = 0;
+- my_strcodes[count_strs] = 0;
+- my_strvalues[count_strs] = 0;
++ my_boolcodes[count_bools] = NULL;
++ my_numcodes[count_nums] = NULL;
++ my_numvalues[count_nums] = NULL;
++ my_strcodes[count_strs] = NULL;
++ my_strvalues[count_strs] = NULL;
+
+ #if 0
+ printf("bools:%d\n", (int) count_bools);
+@@ -702,11 +702,11 @@
+ int pass;
+ size_t count;
+ size_t length = 1;
+- char **result = 0;
+- char *unused = 0;
++ char **result = NULL;
++ char *unused = NULL;
+
+ for (pass = 0; pass < 2; ++pass) {
+- for (count = 0; list[count] != 0; ++count) {
++ for (count = 0; list[count] != NULL; ++count) {
+ size_t chunk = strlen(list[count]) + 1;
+ if (pass == 0) {
+ length += chunk;
+@@ -720,7 +720,7 @@
+ char *blob = malloc(length);
+ result = typeCalloc(char *, count + 1);
+ unused = blob;
+- if (blob == 0 || result == 0)
++ if (blob == NULL || result == NULL)
+ failed("copy_code_list failed");
+ }
+ }
+@@ -786,7 +786,7 @@
+ #if defined(NCURSES_VERSION) || defined(HAVE_CURSES_DATA_OSPEED)
+ bool v_opt = FALSE;
+ #endif
+- NCURSES_CONST char *input_name = 0;
++ NCURSES_CONST char *input_name = NULL;
+
+ int repeat;
+ int r_opt = 1;
+@@ -864,7 +864,7 @@
+ for (n = optind; n < argc; ++n) {
+ brute_force(argv[n]);
+ }
+- } else if ((name = getenv("TERM")) != 0) {
++ } else if ((name = getenv("TERM")) != NULL) {
+ brute_force(name);
+ } else {
+ static NCURSES_CONST char dumb[] = "dumb";
+@@ -872,7 +872,7 @@
+ }
+ }
+ } else {
+- if (input_name != 0) {
++ if (input_name != NULL) {
+ parse_description(input_name);
+ }
+ #if USE_CODE_LISTS
+@@ -891,7 +891,7 @@
+ for (n = optind; n < argc; ++n) {
+ demo_termcap(argv[n]);
+ }
+- } else if ((name = getenv("TERM")) != 0) {
++ } else if ((name = getenv("TERM")) != NULL) {
+ demo_termcap(name);
+ } else {
+ static NCURSES_CONST char dumb[] = "dumb";
+Index: test/demo_terminfo.c
+Prereq: 1.61
+--- ncurses-6.5-20241130+/test/demo_terminfo.c 2024-11-30 18:31:01.000000000 +0000
++++ ncurses-6.5-20241207/test/demo_terminfo.c 2024-12-07 22:27:13.000000000 +0000
+@@ -30,7 +30,7 @@
+ /*
+ * Author: Thomas E. Dickey
+ *
+- * $Id: demo_terminfo.c,v 1.61 2024/11/30 18:31:01 tom Exp $
++ * $Id: demo_terminfo.c,v 1.62 2024/12/07 22:27:13 tom Exp $
+ *
+ * A simple demo of the terminfo interface.
+ */
+@@ -141,17 +141,17 @@
+ static char *
+ next_dbitem(void)
+ {
+- char *result = 0;
++ char *result = NULL;
+
+ if (db_list) {
+- if ((result = db_list[db_item]) == 0) {
++ if ((result = db_list[db_item]) == NULL) {
+ db_item = 0;
+ result = db_list[0];
+ } else {
+ db_item++;
+ }
+ }
+- if (result != 0)
++ if (result != NULL)
+ printf("** %s\n", result);
+ return result;
+ }
+@@ -165,7 +165,7 @@
+ for (n = 0; db_list[n]; ++n)
+ free(db_list[n]);
+ free(db_list);
+- db_list = 0;
++ db_list = NULL;
+ }
+ }
+ #endif
+@@ -176,7 +176,7 @@
+ const char *str;
+ int num;
+
+- if ((str = tigetstr(cap)) != 0 && (str != (char *) -1)) {
++ if ((str = tigetstr(cap)) != NULL && (str != (char *) -1)) {
+ total_values++;
+ total_s_values++;
+ if (!q_opt) {
+@@ -339,7 +339,7 @@
+ if (b_opt) {
+ for (n = 0;; ++n) {
+ cap = my_boolcodes[n];
+- if (cap == 0)
++ if (cap == NULL)
+ break;
+ dumpit(cap, fullname(bool, n));
+ }
+@@ -348,7 +348,7 @@
+ if (n_opt) {
+ for (n = 0;; ++n) {
+ cap = my_numcodes[n];
+- if (cap == 0)
++ if (cap == NULL)
+ break;
+ dumpit(cap, fullname(num, n));
+ }
+@@ -357,17 +357,17 @@
+ if (s_opt) {
+ for (n = 0;; ++n) {
+ cap = my_strcodes[n];
+- if (cap == 0)
++ if (cap == NULL)
+ break;
+ dumpit(cap, fullname(str, n));
+ }
+ }
+ #ifdef NCURSES_VERSION
+- if (x_opt && (my_blob == 0)) {
++ if (x_opt && (my_blob == NULL)) {
+ if (y_opt) {
+ #if NCURSES_XNAMES
+ const TERMTYPE *term = (TERMTYPE *) cur_term;
+- if (term != 0
++ if (term != NULL
+ && ((NUM_BOOLEANS(term) != BOOLCOUNT)
+ || (NUM_NUMBERS(term) != NUMCOUNT)
+ || (NUM_STRINGS(term) != STRCOUNT))) {
+@@ -455,16 +455,16 @@
+ * None of the arrays could be larger than the input-file, and since it
+ * is small, just allocate the maximum for simplicity.
+ */
+- if ((my_blob = malloc((size_t) sb.st_size + 1)) == 0 ||
+- (my_boolcodes = typeCalloc(char *, sb.st_size)) == 0 ||
+- (my_numcodes = typeCalloc(char *, sb.st_size)) == 0 ||
+- (my_numvalues = typeCalloc(char *, sb.st_size)) == 0 ||
+- (my_strcodes = typeCalloc(char *, sb.st_size)) == 0 ||
+- (my_strvalues = typeCalloc(char *, sb.st_size)) == 0) {
++ if ((my_blob = malloc((size_t) sb.st_size + 1)) == NULL ||
++ (my_boolcodes = typeCalloc(char *, sb.st_size)) == NULL ||
++ (my_numcodes = typeCalloc(char *, sb.st_size)) == NULL ||
++ (my_numvalues = typeCalloc(char *, sb.st_size)) == NULL ||
++ (my_strcodes = typeCalloc(char *, sb.st_size)) == NULL ||
++ (my_strvalues = typeCalloc(char *, sb.st_size)) == NULL) {
+ failed("cannot allocate memory for input-file");
+ }
+
+- if ((fp = fopen(input_name, "r")) == 0) {
++ if ((fp = fopen(input_name, "r")) == NULL) {
+ failed("cannot open input-file");
+ } else {
+ len = fread(my_blob, sizeof(char), (size_t) sb.st_size, fp);
+@@ -704,11 +704,11 @@
+ break;
+ }
+ }
+- my_boolcodes[count_bools] = 0;
+- my_numcodes[count_nums] = 0;
+- my_numvalues[count_nums] = 0;
+- my_strcodes[count_strs] = 0;
+- my_strvalues[count_strs] = 0;
++ my_boolcodes[count_bools] = NULL;
++ my_numcodes[count_nums] = NULL;
++ my_numvalues[count_nums] = NULL;
++ my_strcodes[count_strs] = NULL;
++ my_strvalues[count_strs] = NULL;
+
+ #if 0
+ printf("# bools:%d\n", (int) count_bools);
+@@ -732,11 +732,11 @@
+ int pass;
+ size_t count;
+ size_t length = 1;
+- char **result = 0;
+- char *unused = 0;
++ char **result = NULL;
++ char *unused = NULL;
+
+ for (pass = 0; pass < 2; ++pass) {
+- for (count = 0; list[count] != 0; ++count) {
++ for (count = 0; list[count] != NULL; ++count) {
+ size_t chunk = strlen(list[count]) + 1;
+ if (pass == 0) {
+ length += chunk;
+@@ -750,7 +750,7 @@
+ char *blob = malloc(length);
+ result = typeCalloc(char *, count + 1);
+ unused = blob;
+- if (blob == 0 || result == 0)
++ if (blob == NULL || result == NULL)
+ failed("copy_code_list failed");
+ }
+ }
+@@ -815,7 +815,7 @@
+ int repeat;
+ NCURSES_CONST char *name;
+ int r_opt = 1;
+- const char *input_name = 0;
++ const char *input_name = NULL;
+
+ while ((ch = getopt(argc, argv, OPTS_COMMON "abd:e:fi:nqr:sxy")) != -1) {
+ switch (ch) {
+@@ -888,7 +888,7 @@
+ for (n = optind; n < argc; ++n) {
+ brute_force(argv[n]);
+ }
+- } else if ((name = getenv("TERM")) != 0) {
++ } else if ((name = getenv("TERM")) != NULL) {
+ brute_force(name);
+ } else {
+ static NCURSES_CONST char dumb[] = "dumb";
+@@ -896,7 +896,7 @@
+ }
+ }
+ } else {
+- if (input_name != 0) {
++ if (input_name != NULL) {
+ parse_description(input_name);
+ }
+ #if USE_CODE_LISTS
+@@ -915,7 +915,7 @@
+ for (n = optind; n < argc; ++n) {
+ demo_terminfo(argv[n]);
+ }
+- } else if ((name = getenv("TERM")) != 0) {
++ } else if ((name = getenv("TERM")) != NULL) {
+ demo_terminfo(name);
+ } else {
+ static NCURSES_CONST char dumb[] = "dumb";
+@@ -933,8 +933,8 @@
+
+ #if NO_LEAKS
+ free_dblist();
+- if (input_name != 0) {
+- if (my_blob != 0) {
++ if (input_name != NULL) {
++ if (my_blob != NULL) {
+ free(my_blob);
+ free(my_boolcodes);
+ free(my_numcodes);
+Index: test/ditto.c
+Prereq: 1.59
+--- ncurses-6.5-20241130+/test/ditto.c 2023-09-23 17:08:43.000000000 +0000
++++ ncurses-6.5-20241207/test/ditto.c 2024-12-07 23:02:27.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2018-2022,2023 Thomas E. Dickey *
++ * Copyright 2018-2023,2024 Thomas E. Dickey *
+ * Copyright 1998-2016,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -30,7 +30,7 @@
+ /*
+ * Author: Thomas E. Dickey (1998-on)
+ *
+- * $Id: ditto.c,v 1.59 2023/09/23 17:08:43 tom Exp $
++ * $Id: ditto.c,v 1.60 2024/12/07 23:02:27 tom Exp $
+ *
+ * The program illustrates how to set up multiple screens from a single
+ * program.
+@@ -157,15 +157,15 @@
+ int aslave;
+ char slave_name[1024];
+ char s_option[sizeof(slave_name) + 80];
+- const char *xterm_prog = 0;
++ const char *xterm_prog = NULL;
+
+- if ((xterm_prog = getenv("XTERM_PROG")) == 0)
++ if ((xterm_prog = getenv("XTERM_PROG")) == NULL)
+ xterm_prog = "xterm";
+
+- if (openpty(&amaster, &aslave, slave_name, 0, 0) != 0
++ if (openpty(&amaster, &aslave, slave_name, NULL, NULL) != 0
+ || strlen(slave_name) > sizeof(slave_name) - 1)
+ failed("openpty");
+- if (strrchr(slave_name, '/') == 0) {
++ if (strrchr(slave_name, '/') == NULL) {
+ errno = EISDIR;
+ failed(slave_name);
+ }
+@@ -176,7 +176,7 @@
+ _exit(0);
+ }
+ fp = fdopen(amaster, "r+");
+- if (fp == 0)
++ if (fp == NULL)
+ failed(path);
+ #else
+ struct stat sb;
+@@ -266,7 +266,7 @@
+ target->output,
+ target->input);
+
+- if (target->screen == 0)
++ if (target->screen == NULL)
+ failed("newterm");
+
+ (void) USING_SCREEN(target->screen, init_screen, target);
+@@ -429,7 +429,7 @@
+ }
+ }
+
+- if ((data = typeCalloc(DITTO, (size_t) argc)) == 0)
++ if ((data = typeCalloc(DITTO, (size_t) argc)) == NULL)
+ failed("calloc data");
+
+ assert(data != 0);
+@@ -478,7 +478,7 @@
+ */
+ for (j = argc - 1; j >= 0; j--) {
+ LockIt();
+- USING_SCREEN(data[j].screen, close_screen, 0);
++ USING_SCREEN(data[j].screen, close_screen, NULL);
+ fprintf(data[j].output, "**Closed\r\n");
+
+ /*
+Index: test/dots.c
+Prereq: 1.46
+--- ncurses-6.5-20241130+/test/dots.c 2024-10-06 21:17:54.000000000 +0000
++++ ncurses-6.5-20241207/test/dots.c 2024-12-07 22:27:13.000000000 +0000
+@@ -30,7 +30,7 @@
+ /*
+ * Author: Thomas E. Dickey <dickey@clark.net> 1999
+ *
+- * $Id: dots.c,v 1.46 2024/10/06 21:17:54 tom Exp $
++ * $Id: dots.c,v 1.47 2024/12/07 22:27:13 tom Exp $
+ *
+ * A simple demo of the terminfo interface.
+ */
+@@ -102,7 +102,7 @@
+ get_number(NCURSES_CONST char *cap, int map)
+ {
+ int result = map;
+- if (cap != 0) {
++ if (cap != NULL) {
+ int check = tigetnum(cap);
+ if (check > 0)
+ result = check;
+@@ -191,12 +191,12 @@
+ SetupAlarm(r_option);
+ InitAndCatch(setupterm((char *) 0, 1, (int *) 0), onsig);
+
+- srand((unsigned) time(0));
++ srand((unsigned) time(NULL));
+
+ outs(clear_screen);
+ outs(cursor_invisible);
+
+-#define GetNumber(ln,sn) get_number(f_option ? #sn : 0, ln)
++#define GetNumber(ln,sn) get_number(f_option ? #sn : NULL, ln)
+ my_colors = GetNumber(max_colors, colors);
+ if (my_colors > 1) {
+ if (!VALID_STRING(set_a_foreground)
+Index: test/dots_curses.c
+Prereq: 1.26
+--- ncurses-6.5-20241130+/test/dots_curses.c 2024-11-30 17:48:07.000000000 +0000
++++ ncurses-6.5-20241207/test/dots_curses.c 2024-12-07 22:32:11.000000000 +0000
+@@ -30,7 +30,7 @@
+ /*
+ * Author: Thomas E. Dickey
+ *
+- * $Id: dots_curses.c,v 1.26 2024/11/30 17:48:07 tom Exp $
++ * $Id: dots_curses.c,v 1.27 2024/12/07 22:32:11 tom Exp $
+ *
+ * A simple demo of the curses interface used for comparison with termcap.
+ */
+@@ -170,7 +170,7 @@
+ }
+ }
+
+- srand((unsigned) time(0));
++ srand((unsigned) time(NULL));
+
+ SetupAlarm(r_option);
+ InitAndCatch(initscr(), onsig);
+Index: test/dots_mvcur.c
+Prereq: 1.32
+--- ncurses-6.5-20241130+/test/dots_mvcur.c 2024-10-06 21:17:54.000000000 +0000
++++ ncurses-6.5-20241207/test/dots_mvcur.c 2024-12-07 22:32:11.000000000 +0000
+@@ -30,7 +30,7 @@
+ /*
+ * Author: Thomas E. Dickey - 2007
+ *
+- * $Id: dots_mvcur.c,v 1.32 2024/10/06 21:17:54 tom Exp $
++ * $Id: dots_mvcur.c,v 1.33 2024/12/07 22:32:11 tom Exp $
+ *
+ * A simple demo of the terminfo interface, and mvcur.
+ */
+@@ -103,7 +103,7 @@
+ get_number(NCURSES_CONST char *cap, int map)
+ {
+ int result = map;
+- if (cap != 0) {
++ if (cap != NULL) {
+ int check = tigetnum(cap);
+ if (check > 0)
+ result = check;
+@@ -195,18 +195,18 @@
+ InitAndCatch((sp = newterm((char *) 0, stdout, stdin)), onsig);
+ refresh(); /* needed with Solaris curses to cancel endwin */
+
+- if (sp == 0) {
++ if (sp == NULL) {
+ fprintf(stderr, "Cannot initialize terminal\n");
+ ExitProgram(EXIT_FAILURE);
+ }
+
+- srand((unsigned) time(0));
++ srand((unsigned) time(NULL));
+
+ outs(clear_screen);
+ outs(cursor_home);
+ outs(cursor_invisible);
+
+-#define GetNumber(ln,sn) get_number(f_option ? #sn : 0, ln)
++#define GetNumber(ln,sn) get_number(f_option ? #sn : NULL, ln)
+ my_colors = GetNumber(max_colors, colors);
+ if (my_colors > 1) {
+ if (!VALID_STRING(set_a_foreground)
+Index: test/dots_termcap.c
+Prereq: 1.35
+--- ncurses-6.5-20241130+/test/dots_termcap.c 2024-10-06 21:18:35.000000000 +0000
++++ ncurses-6.5-20241207/test/dots_termcap.c 2024-12-07 22:32:11.000000000 +0000
+@@ -30,7 +30,7 @@
+ /*
+ * Author: Thomas E. Dickey
+ *
+- * $Id: dots_termcap.c,v 1.35 2024/10/06 21:18:35 tom Exp $
++ * $Id: dots_termcap.c,v 1.37 2024/12/07 22:32:11 tom Exp $
+ *
+ * A simple demo of the termcap interface.
+ */
+@@ -153,7 +153,7 @@
+ /*
+ * napms is a curses function which happens to be usable without initializing
+ * the screen, but if this program happened to be build with a "real" termcap
+- * library, there is nothing like napms.
++ * library, there is nothing like napms.
+ */
+ #if HAVE_NAPMS
+ #define my_napms(ms) napms(ms)
+@@ -178,9 +178,9 @@
+ get_number(NCURSES_CONST char *cap, const char *env)
+ {
+ int result = tgetnum(cap);
+- const char *value = env ? getenv(env) : 0;
+- if (value != 0 && *value != 0) {
+- char *next = 0;
++ const char *value = env ? getenv(env) : NULL;
++ if (value != NULL && *value != 0) {
++ char *next = NULL;
+ long check = strtol(value, &next, 10);
+ if (check > 0 && *next == '\0')
+ result = (int) check;
+@@ -263,12 +263,12 @@
+ }
+ }
+
+- if ((name = getenv("TERM")) == 0) {
++ if ((name = getenv("TERM")) == NULL) {
+ fprintf(stderr, "TERM is not set\n");
+ ExitProgram(EXIT_FAILURE);
+ }
+
+- srand((unsigned) time(0));
++ srand((unsigned) time(NULL));
+
+ SetupAlarm((unsigned) r_option);
+ InitAndCatch(ch = tgetent(buffer, name), onsig);
+@@ -285,7 +285,7 @@
+ }
+
+ num_colors = tgetnum("Co");
+-#define GetNumber(cap,env) get_number(cap, e_option ? env : 0)
++#define GetNumber(cap,env) get_number(cap, e_option ? env : NULL)
+ num_lines = GetNumber("li", "LINES");
+ num_columns = GetNumber("co", "COLUMNS");
+
+Index: test/dots_xcurses.c
+Prereq: 1.31
+--- ncurses-6.5-20241130+/test/dots_xcurses.c 2024-11-30 17:41:18.000000000 +0000
++++ ncurses-6.5-20241207/test/dots_xcurses.c 2024-12-07 22:32:11.000000000 +0000
+@@ -30,7 +30,7 @@
+ /*
+ * Author: Thomas E. Dickey
+ *
+- * $Id: dots_xcurses.c,v 1.31 2024/11/30 17:41:18 tom Exp $
++ * $Id: dots_xcurses.c,v 1.32 2024/12/07 22:32:11 tom Exp $
+ *
+ * A simple demo of the wide-curses interface used for comparison with termcap.
+ */
+@@ -202,7 +202,7 @@
+ }
+
+ setlocale(LC_ALL, "");
+- srand((unsigned) time(0));
++ srand((unsigned) time(NULL));
+
+ SetupAlarm(r_option);
+ InitAndCatch(initscr(), onsig);
+Index: test/dump_window.c
+Prereq: 1.5
+--- ncurses-6.5-20241130+/test/dump_window.c 2023-11-11 00:30:50.000000000 +0000
++++ ncurses-6.5-20241207/test/dump_window.c 2024-12-07 23:03:07.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2018-2020,2023 Thomas E. Dickey *
++ * Copyright 2018-2023,2024 Thomas E. Dickey *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+ * copy of this software and associated documentation files (the *
+@@ -26,7 +26,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: dump_window.c,v 1.5 2023/11/11 00:30:50 tom Exp $
++ * $Id: dump_window.c,v 1.6 2024/12/07 23:03:07 tom Exp $
+ */
+ #include <dump_window.h>
+
+@@ -37,7 +37,7 @@
+ {
+ int result = 0;
+ close_dump();
+- if ((dumpfp = fopen(fn, "a")) != 0)
++ if ((dumpfp = fopen(fn, "a")) != NULL)
+ result = 1;
+ return result;
+ }
+@@ -45,9 +45,9 @@
+ void
+ close_dump(void)
+ {
+- if (dumpfp != 0) {
++ if (dumpfp != NULL) {
+ fclose(dumpfp);
+- dumpfp = 0;
++ dumpfp = NULL;
+ }
+ }
+
+@@ -55,14 +55,14 @@
+ dump_window(WINDOW *w)
+ {
+ wgetch(w);
+- if (dumpfp != 0) {
++ if (dumpfp != NULL) {
+ int y, x;
+ int oldy, oldx;
+ int maxy, maxx;
+ int pass;
+- char *cvec = 0;
+- char *avec = 0;
+- char *pvec = 0;
++ char *cvec = NULL;
++ char *avec = NULL;
++ char *pvec = NULL;
+ int ccnt = 0;
+ int acnt = 0;
+ int pcnt = 0;
+Index: test/dup_field.c
+Prereq: 1.11
+--- ncurses-6.5-20241130+/test/dup_field.c 2024-10-06 20:07:19.000000000 +0000
++++ ncurses-6.5-20241207/test/dup_field.c 2024-12-07 22:32:11.000000000 +0000
+@@ -26,7 +26,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: dup_field.c,v 1.11 2024/10/06 20:07:19 tom Exp $
++ * $Id: dup_field.c,v 1.12 2024/12/07 22:32:11 tom Exp $
+ *
+ * Demonstrate dup_field().
+ */
+@@ -91,7 +91,7 @@
+ const char *code = keyname(commands[n].code);
+ size_t need = 5;
+ #ifdef NCURSES_VERSION
+- if ((name = form_request_name(commands[n].result)) == 0)
++ if ((name = form_request_name(commands[n].result)) == NULL)
+ #endif
+ name = commands[n].help;
+ need = 5 + strlen(code) + strlen(name);
+@@ -101,9 +101,9 @@
+ }
+ msgs[used++] =
+ strdup("Arrow keys move within a field as you would expect.");
+- msgs[used] = 0;
++ msgs[used] = NULL;
+ popup_msg2(stdscr, msgs);
+- for (n = 0; msgs[n] != 0; ++n) {
++ for (n = 0; msgs[n] != NULL; ++n) {
+ free(msgs[n]);
+ }
+ free(msgs);
+@@ -347,7 +347,7 @@
+
+ all_fields[n] = (FIELD *) 0;
+
+- if ((form = new_form(all_fields)) != 0) {
++ if ((form = new_form(all_fields)) != NULL) {
+ int finished = 0;
+
+ post_form(form);
+@@ -369,7 +369,7 @@
+
+ free_form(form);
+ }
+- for (c = 0; all_fields[c] != 0; c++) {
++ for (c = 0; all_fields[c] != NULL; c++) {
+ free_edit_field(all_fields[c]);
+ free_field(all_fields[c]);
+ }
+Index: test/echochar.c
+Prereq: 1.26
+--- ncurses-6.5-20241130+/test/echochar.c 2023-05-27 20:13:10.000000000 +0000
++++ ncurses-6.5-20241207/test/echochar.c 2024-12-07 23:03:07.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2019-2022,2023 Thomas E. Dickey *
++ * Copyright 2019-2023,2024 Thomas E. Dickey *
+ * Copyright 2006-2014,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: echochar.c,v 1.26 2023/05/27 20:13:10 tom Exp $
++ * $Id: echochar.c,v 1.27 2024/12/07 23:03:07 tom Exp $
+ *
+ * Demonstrate the echochar function (compare to dots.c).
+ * Thomas Dickey - 2006/11/4
+@@ -108,7 +108,7 @@
+ double c;
+ bool use_colors;
+ bool opt_r = FALSE;
+- char *my_pairs = 0;
++ char *my_pairs = NULL;
+ int last_fg = 0;
+ int last_bg = 0;
+
+@@ -134,10 +134,10 @@
+ if (COLOR_PAIRS > 0) {
+ my_pairs = typeCalloc(char, (size_t) COLOR_PAIRS);
+ }
+- use_colors = (my_pairs != 0);
++ use_colors = (my_pairs != NULL);
+ }
+
+- srand((unsigned) time(0));
++ srand((unsigned) time(NULL));
+
+ curs_set(0);
+
+Index: test/edit_field.c
+Prereq: 1.32
+--- ncurses-6.5-20241130+/test/edit_field.c 2024-06-29 17:49:56.000000000 +0000
++++ ncurses-6.5-20241207/test/edit_field.c 2024-12-07 22:22:51.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: edit_field.c,v 1.32 2024/06/29 17:49:56 tom Exp $
++ * $Id: edit_field.c,v 1.33 2024/12/07 22:22:51 tom Exp $
+ *
+ * A wrapper for form_driver() which keeps track of the user's editing changes
+ * for each field, and makes the resulting length available as a
+@@ -188,7 +188,7 @@
+ const char *code = keyname(commands[n].code);
+ size_t need = 5;
+ #ifdef NCURSES_VERSION
+- if ((name = form_request_name(commands[n].result)) == 0)
++ if ((name = form_request_name(commands[n].result)) == NULL)
+ #endif
+ name = commands[n].help;
+ need = 5 + strlen(code) + strlen(name);
+@@ -198,9 +198,9 @@
+ }
+ msgs[used++] =
+ strdup("Arrow keys move within a field as you would expect.");
+- msgs[used] = 0;
++ msgs[used] = NULL;
+ popup_msg2(stdscr, msgs);
+- for (n = 0; msgs[n] != 0; ++n) {
++ for (n = 0; msgs[n] != NULL; ++n) {
+ free(msgs[n]);
+ }
+ free(msgs);
+@@ -249,7 +249,7 @@
+ {
+ char empty[1];
+ FieldAttrs *ptr = field_attrs(f);
+- if (ptr == 0) {
++ if (ptr == NULL) {
+ int rows, cols, frow, fcol, nrow, nbuf;
+
+ ptr = typeCalloc(FieldAttrs, (size_t) 1);
+@@ -259,7 +259,7 @@
+ ptr->row_lengths = typeCalloc(int, (size_t) nrow + 1);
+ }
+ }
+- if (value == 0) {
++ if (value == NULL) {
+ value = empty;
+ *value = '\0';
+ }
+@@ -421,7 +421,7 @@
+ free_edit_field(FIELD *f)
+ {
+ FieldAttrs *ptr = field_attrs(f);
+- if (ptr != 0) {
++ if (ptr != NULL) {
+ free(ptr->row_lengths);
+ free(ptr);
+ }
+Index: test/filter.c
+Prereq: 1.40
+--- ncurses-6.5-20241130+/test/filter.c 2024-11-30 16:49:53.000000000 +0000
++++ ncurses-6.5-20241207/test/filter.c 2024-12-07 22:40:19.000000000 +0000
+@@ -30,7 +30,7 @@
+ /*
+ * Author: Thomas E. Dickey 1998
+ *
+- * $Id: filter.c,v 1.40 2024/11/30 16:49:53 tom Exp $
++ * $Id: filter.c,v 1.41 2024/12/07 22:40:19 tom Exp $
+ *
+ * An example of the 'filter()' function in ncurses, this program prompts
+ * for commands and executes them (like a command shell). It illustrates
+@@ -264,12 +264,12 @@
+ /*
+ * Cancel xterm's alternate-screen mode (from dialog -TD)
+ */
+-#define isprivate(s) ((s) != 0 && strstr(s, "\033[?") != 0)
++#define isprivate(s) ((s) != NULL && strstr(s, "\033[?") != NULL)
+ static void
+ cancel_altscreen(void)
+ {
+ if (isatty(fileno(stdout))
+- && key_mouse != 0 /* xterm and kindred */
++ && key_mouse != NULL /* xterm and kindred */
+ && isprivate(enter_ca_mode)
+ && isprivate(exit_ca_mode)) {
+ /*
+@@ -292,8 +292,8 @@
+ * implementation of alternate-screen in rxvt, etc., which clear more
+ * of the display than they should.
+ */
+- enter_ca_mode = 0;
+- exit_ca_mode = 0;
++ enter_ca_mode = NULL;
++ exit_ca_mode = NULL;
+ }
+ }
+ #endif
+@@ -380,7 +380,7 @@
+ if (i_option) {
+ initscr();
+ } else {
+- if (newterm((char *) 0, stdout, stdin) == 0) {
++ if (newterm((char *) 0, stdout, stdin) == NULL) {
+ fprintf(stderr, "cannot initialize terminal\n");
+ ExitProgram(EXIT_FAILURE);
+ }
+Index: test/foldkeys.c
+Prereq: 1.12
+--- ncurses-6.5-20241130+/test/foldkeys.c 2023-02-25 16:51:01.000000000 +0000
++++ ncurses-6.5-20241207/test/foldkeys.c 2024-12-07 23:03:07.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2018-2022,2023 Thomas E. Dickey *
++ * Copyright 2018-2023,2024 Thomas E. Dickey *
+ * Copyright 2006-2016,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -30,7 +30,7 @@
+ /*
+ * Author: Thomas E. Dickey, 2006
+ *
+- * $Id: foldkeys.c,v 1.12 2023/02/25 16:51:01 tom Exp $
++ * $Id: foldkeys.c,v 1.13 2024/12/07 23:03:07 tom Exp $
+ *
+ * Demonstrate a method for altering key definitions at runtime.
+ *
+@@ -55,7 +55,7 @@
+ {
+ FILE *fp;
+
+- if ((fp = fopen(MY_LOGFILE, "a")) != 0) {
++ if ((fp = fopen(MY_LOGFILE, "a")) != NULL) {
+ char temp[256];
+ int y, x, n;
+ int need = sizeof(temp) - 1;
+@@ -112,7 +112,7 @@
+ for (code = 0; code < STRCOUNT; ++code) {
+ NCURSES_CONST char *name = strnames[code];
+ NCURSES_CONST char *value = tigetstr(name);
+- if (value != 0 && value != (NCURSES_CONST char *) -1) {
++ if (value != NULL && value != (NCURSES_CONST char *) -1) {
+ info[info_len].name = strnames[code];
+ info[info_len].code = key_defined(value);
+ info[info_len].value = value;
+@@ -129,7 +129,7 @@
+ */
+ for (code = KEY_MAX; code < MAX_KEYS; ++code) {
+ NCURSES_CONST char *name = keyname(code);
+- if (name != 0) {
++ if (name != NULL) {
+ info[info_len].name = name;
+ info[info_len].code = code;
+ info[info_len].value = tigetstr(name);
+@@ -156,7 +156,7 @@
+ final) == 3
+ && *final != ';'
+ && (need = strlen(info[j].value)) != 0
+- && (value = strdup(info[j].value)) != 0) {
++ && (value = strdup(info[j].value)) != NULL) {
+ (void) need; /* _nc_SLIMIT is normally nothing */
+ _nc_SPRINTF(value, _nc_SLIMIT(need) "\033[%d%c", first, *final);
+ for (k = 0; k < info_len; ++k) {
+@@ -232,7 +232,7 @@
+ if (optind < argc)
+ usage(FALSE);
+
+- if (newterm(0, stdout, stdin) == 0) {
++ if (newterm(NULL, stdout, stdin) == NULL) {
+ fprintf(stderr, "Cannot initialize terminal\n");
+ ExitProgram(EXIT_FAILURE);
+ }
+@@ -262,7 +262,7 @@
+ printw("Keycode %d, name %s%s\n",
+ ch,
+ escaped ? "ESC-" : "",
+- name != 0 ? name : "<null>");
++ name != NULL ? name : "<null>");
+ log_last_line(stdscr);
+ clrtoeol();
+ if (ch == 'q')
+Index: test/form_driver_w.c
+Prereq: 1.18
+--- ncurses-6.5-20241130+/test/form_driver_w.c 2024-10-06 23:13:40.000000000 +0000
++++ ncurses-6.5-20241207/test/form_driver_w.c 2024-12-07 22:32:11.000000000 +0000
+@@ -32,7 +32,7 @@
+ ****************************************************************************/
+
+ /*
+- * $Id: form_driver_w.c,v 1.18 2024/10/06 23:13:40 tom Exp $
++ * $Id: form_driver_w.c,v 1.19 2024/12/07 22:32:11 tom Exp $
+ *
+ * Test form_driver_w (int, int, wchar_t), a wide char aware
+ * replacement of form_driver.
+@@ -74,7 +74,7 @@
+ " ^D,^Q,ESC - quit program",
+ " <Tab>,<Down> - move to next field",
+ " <BackTab>,<Up> - move to previous field",
+- 0
++ NULL
+ };
+
+ #define NUM_FIELDS 3
+Index: test/gdc.c
+Prereq: 1.63
+--- ncurses-6.5-20241130+/test/gdc.c 2024-11-30 18:56:02.000000000 +0000
++++ ncurses-6.5-20241207/test/gdc.c 2024-12-07 22:32:11.000000000 +0000
+@@ -34,7 +34,7 @@
+ * modified 10-18-89 for curses (jrl)
+ * 10-18-89 added signal handling
+ *
+- * $Id: gdc.c,v 1.63 2024/11/30 18:56:02 tom Exp $
++ * $Id: gdc.c,v 1.64 2024/12/07 22:32:11 tom Exp $
+ */
+
+ #include <test.priv.h>
+@@ -294,8 +294,8 @@
+ InitAndCatch({
+ if (redirected) {
+ NCURSES_CONST char *name = getenv("TERM");
+- if (name == 0
+- || newterm(name, ofp, ifp) == 0) {
++ if (name == NULL
++ || newterm(name, ofp, ifp) == NULL) {
+ fprintf(stderr, "cannot open terminal\n");
+ ExitProgram(EXIT_FAILURE);
+ }
+Index: test/inch_wide.c
+Prereq: 1.14
+--- ncurses-6.5-20241130+/test/inch_wide.c 2024-10-06 23:14:31.000000000 +0000
++++ ncurses-6.5-20241207/test/inch_wide.c 2024-12-07 22:32:11.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: inch_wide.c,v 1.14 2024/10/06 23:14:31 tom Exp $
++ * $Id: inch_wide.c,v 1.15 2024/12/07 22:32:11 tom Exp $
+ */
+ /*
+ int in_wch(cchar_t *wcval);
+@@ -70,11 +70,11 @@
+ " h,j,k,l (and arrow-keys) - move viewport",
+ " w - recur to new window",
+ " for next input file",
+- 0
++ NULL
+ };
+
+- WINDOW *txtbox = 0;
+- WINDOW *txtwin = 0;
++ WINDOW *txtbox = NULL;
++ WINDOW *txtwin = NULL;
+ FILE *fp;
+ int j;
+ int txt_x = 0, txt_y = 0;
+@@ -82,7 +82,7 @@
+ cchar_t ch;
+ cchar_t text[MAX_COLS];
+
+- if (argv[level] == 0) {
++ if (argv[level] == NULL) {
+ beep();
+ return FALSE;
+ }
+@@ -110,7 +110,7 @@
+ txt_x = 0;
+ wmove(txtwin, txt_y, txt_x);
+
+- if ((fp = fopen(argv[level], "r")) != 0) {
++ if ((fp = fopen(argv[level], "r")) != NULL) {
+ while ((j = fgetc(fp)) != EOF) {
+ if (waddch(txtwin, UChar(j)) != OK) {
+ break;
+@@ -155,7 +155,7 @@
+ break;
+ case 'w':
+ test_inchs(level + 1, argv, chrwin, strwin);
+- if (txtbox != 0) {
++ if (txtbox != NULL) {
+ touchwin(txtbox);
+ wnoutrefresh(txtbox);
+ } else {
+Index: test/inchs.c
+Prereq: 1.20
+--- ncurses-6.5-20241130+/test/inchs.c 2024-10-06 21:17:54.000000000 +0000
++++ ncurses-6.5-20241207/test/inchs.c 2024-12-07 22:32:11.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: inchs.c,v 1.20 2024/10/06 21:17:54 tom Exp $
++ * $Id: inchs.c,v 1.21 2024/12/07 22:32:11 tom Exp $
+ *
+ * Author: Thomas E Dickey
+ */
+@@ -80,17 +80,17 @@
+ " h,j,k,l (and arrow-keys) - move viewport",
+ " w - recur to new window",
+ " for next input file",
+- 0
++ NULL
+ };
+- WINDOW *txtbox = 0;
+- WINDOW *txtwin = 0;
++ WINDOW *txtbox = NULL;
++ WINDOW *txtwin = NULL;
+ FILE *fp;
+ int ch, j;
+ int txt_x = 0, txt_y = 0;
+ int base_y;
+ chtype text[MAX_COLS];
+
+- if (argv[level] == 0) {
++ if (argv[level] == NULL) {
+ beep();
+ return FALSE;
+ }
+@@ -109,7 +109,7 @@
+ txtwin = stdscr;
+ base_y = BASE_Y;
+ }
+- if (txtwin == 0)
++ if (txtwin == NULL)
+ failed("cannot create txtwin");
+
+ keypad(txtwin, TRUE); /* enable keyboard mapping */
+@@ -120,7 +120,7 @@
+ txt_x = 0;
+ wmove(txtwin, txt_y, txt_x);
+
+- if ((fp = fopen(argv[level], "r")) != 0) {
++ if ((fp = fopen(argv[level], "r")) != NULL) {
+ while ((j = fgetc(fp)) != EOF) {
+ if (waddch(txtwin, UChar(j)) != OK) {
+ break;
+@@ -165,7 +165,7 @@
+ break;
+ case 'w':
+ test_inchs(level + 1, argv, chrwin, strwin);
+- if (txtbox != 0) {
++ if (txtbox != NULL) {
+ touchwin(txtbox);
+ wnoutrefresh(txtbox);
+ } else {
+Index: test/ins_wide.c
+Prereq: 1.31
+--- ncurses-6.5-20241130+/test/ins_wide.c 2024-10-05 19:26:24.000000000 +0000
++++ ncurses-6.5-20241207/test/ins_wide.c 2024-12-07 22:32:11.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: ins_wide.c,v 1.31 2024/10/05 19:26:24 tom Exp $
++ * $Id: ins_wide.c,v 1.32 2024/12/07 22:32:11 tom Exp $
+ *
+ * Demonstrate the wins_wstr() and wins_wch functions.
+ * Thomas Dickey - 2002/11/23
+@@ -225,9 +225,9 @@
+ int row2, col2;
+ int length;
+ wchar_t buffer[BUFSIZ];
+- WINDOW *look = 0;
+- WINDOW *work = 0;
+- WINDOW *show = 0;
++ WINDOW *look = NULL;
++ WINDOW *work = NULL;
++ WINDOW *show = NULL;
+ int margin = (2 * MY_TABSIZE) - 1;
+ Options option = (Options) ((int) (m_opt ? oMove : oDefault)
+ | (int) ((w_opt || (level > 0))
+Index: test/insdelln.c
+Prereq: 1.17
+--- ncurses-6.5-20241130+/test/insdelln.c 2024-10-06 21:08:52.000000000 +0000
++++ ncurses-6.5-20241207/test/insdelln.c 2024-12-07 22:32:11.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: insdelln.c,v 1.17 2024/10/06 21:08:52 tom Exp $
++ * $Id: insdelln.c,v 1.18 2024/12/07 22:32:11 tom Exp $
+ *
+ * test-driver for deleteln, wdeleteln, insdelln, winsdelln, insertln, winsertln
+ */
+@@ -71,7 +71,7 @@
+ };
+ /* *INDENT-ON* */
+
+- const char *result = 0;
++ const char *result = NULL;
+
+ if (has_colors()) {
+ static bool first = TRUE;
+@@ -107,7 +107,7 @@
+ };
+ /* *INDENT-ON* */
+
+- const char *result = 0;
++ const char *result = NULL;
+
+ if (state < SIZEOF(table)) {
+ *attr = table[state].attr;
+@@ -144,9 +144,9 @@
+ getyx(win, y, x);
+ wmove(win, 0, 0);
+ wprintw(win, "Count %d", sp->count);
+- if (sp->v_msg != 0)
++ if (sp->v_msg != NULL)
+ wprintw(win, " Video %s", sp->v_msg);
+- if (sp->c_msg != 0)
++ if (sp->c_msg != NULL)
+ wprintw(win, " Color %s", sp->c_msg);
+ wclrtoeol(win);
+ wmove(win, y, x);
+@@ -165,10 +165,10 @@
+ WINDOW *win1 = newwin(sp->y_max - 2, sp->x_max - 2,
+ sp->y_beg + 1, sp->x_beg + 1);
+
+- if (win1 != 0 && sp->y_max > 4 && sp->x_max > 4) {
++ if (win1 != NULL && sp->y_max > 4 && sp->x_max > 4) {
+ WINDOW *win2 = derwin(win1, sp->y_max - 4, sp->x_max - 4, 1, 1);
+
+- if (win2 != 0) {
++ if (win2 != NULL) {
+ box(win1, 0, 0);
+ wrefresh(win1);
+ func(win2);
+@@ -222,7 +222,7 @@
+ ,"q quit"
+ ,"= resets count to zero."
+ ,"? shows this help-window"
+- ,0
++ ,NULL
+ };
+
+ popup_msg(win, table);
+@@ -234,14 +234,14 @@
+ switch (sp->ch) {
+ case ' ': /* next test-iteration */
+ if (has_colors()) {
+- if ((sp->c_msg = color_params(++(sp->c), &(sp->pair))) == 0) {
++ if ((sp->c_msg = color_params(++(sp->c), &(sp->pair))) == NULL) {
+ sp->c_msg = color_params(sp->c = 0, &(sp->pair));
+- if ((sp->v_msg = video_params(++(sp->v), &(sp->attr))) == 0) {
++ if ((sp->v_msg = video_params(++(sp->v), &(sp->attr))) == NULL) {
+ sp->v_msg = video_params(sp->v = 0, &(sp->attr));
+ }
+ }
+ } else {
+- if ((sp->v_msg = video_params(++(sp->v), &(sp->attr))) == 0) {
++ if ((sp->v_msg = video_params(++(sp->v), &(sp->attr))) == NULL) {
+ sp->v_msg = video_params(sp->v = 0, &(sp->attr));
+ }
+ }
+Index: test/inserts.c
+Prereq: 1.35
+--- ncurses-6.5-20241130+/test/inserts.c 2024-10-05 19:26:24.000000000 +0000
++++ ncurses-6.5-20241207/test/inserts.c 2024-12-07 22:33:32.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: inserts.c,v 1.35 2024/10/05 19:26:24 tom Exp $
++ * $Id: inserts.c,v 1.36 2024/12/07 22:33:32 tom Exp $
+ *
+ * Demonstrate the winsstr() and winsch functions.
+ * Thomas Dickey - 2002/10/19
+@@ -147,9 +147,9 @@
+ int row2, col2;
+ int length;
+ char buffer[BUFSIZ];
+- WINDOW *look = 0;
+- WINDOW *work = 0;
+- WINDOW *show = 0;
++ WINDOW *look = NULL;
++ WINDOW *work = NULL;
++ WINDOW *show = NULL;
+ int margin = (2 * MY_TABSIZE) - 1;
+ Options option = (Options) ((unsigned) (m_opt
+ ? oMove
+Index: test/key_names.c
+Prereq: 1.11
+--- ncurses-6.5-20241130+/test/key_names.c 2022-12-04 00:40:11.000000000 +0000
++++ ncurses-6.5-20241207/test/key_names.c 2024-12-07 23:00:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2022 Thomas E. Dickey *
++ * Copyright 2020-2022,2024 Thomas E. Dickey *
+ * Copyright 2007-2014,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: key_names.c,v 1.11 2022/12/04 00:40:11 tom Exp $
++ * $Id: key_names.c,v 1.12 2024/12/07 23:00:37 tom Exp $
+ */
+
+ #include <test.priv.h>
+@@ -100,7 +100,7 @@
+ for (n = -1; n < KEY_MAX + 512; n++) {
+ int check = wcwidth((wchar_t) n);
+ const char *result = check >= 0 ? key_name((wchar_t) n) : "?";
+- if (result != 0)
++ if (result != NULL)
+ printf("%d(%5o):%s\n", n, n, result);
+ }
+ ExitProgram(EXIT_SUCCESS);
+Index: test/keynames.c
+Prereq: 1.13
+--- ncurses-6.5-20241130+/test/keynames.c 2022-12-04 00:40:11.000000000 +0000
++++ ncurses-6.5-20241207/test/keynames.c 2024-12-07 23:00:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020,2022 Thomas E. Dickey *
++ * Copyright 2020-2022,2024 Thomas E. Dickey *
+ * Copyright 1998-2006,2008 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: keynames.c,v 1.13 2022/12/04 00:40:11 tom Exp $
++ * $Id: keynames.c,v 1.14 2024/12/07 23:00:37 tom Exp $
+ */
+
+ #include <test.priv.h>
+@@ -97,7 +97,7 @@
+
+ for (n = -1; n < KEY_MAX + 512; n++) {
+ const char *result = keyname(n);
+- if (result != 0)
++ if (result != NULL)
+ printf("%d(%5o):%s\n", n, n, result);
+ }
+ ExitProgram(EXIT_SUCCESS);
+Index: test/linedata.h
+Prereq: 1.8
+--- ncurses-6.5-20241130+/test/linedata.h 2020-02-02 23:34:34.000000000 +0000
++++ ncurses-6.5-20241207/test/linedata.h 2024-12-07 23:00:37.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2018,2020 Thomas E. Dickey *
++ * Copyright 2018-2020,2024 Thomas E. Dickey *
+ * Copyright 2009-2010,2012 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -28,7 +28,7 @@
+ ****************************************************************************/
+
+ /*
+- * $Id: linedata.h,v 1.8 2020/02/02 23:34:34 tom Exp $
++ * $Id: linedata.h,v 1.9 2024/12/07 23:00:37 tom Exp $
+ *
+ * Utility functions for reading a line of text from a file.
+ */
+@@ -55,7 +55,7 @@
+ static void
+ init_linedata(const char *name)
+ {
+- if ((linedata = fopen(name, "r")) == 0) {
++ if ((linedata = fopen(name, "r")) == NULL) {
+ failed(name);
+ }
+ }
+@@ -64,11 +64,11 @@
+ read_linedata(WINDOW *work)
+ {
+ int result;
+- if (linedata != 0) {
++ if (linedata != NULL) {
+ result = fgetc(linedata);
+ if (result == EOF) {
+ fclose(linedata);
+- linedata = 0;
++ linedata = NULL;
+ result = read_linedata(work);
+ } else {
+ wrefresh(work);
+Index: test/list_keys.c
+Prereq: 1.36
+--- ncurses-6.5-20241130+/test/list_keys.c 2024-11-30 18:07:01.000000000 +0000
++++ ncurses-6.5-20241207/test/list_keys.c 2024-12-07 22:33:32.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: list_keys.c,v 1.36 2024/11/30 18:07:01 tom Exp $
++ * $Id: list_keys.c,v 1.37 2024/12/07 22:33:32 tom Exp $
+ *
+ * Author: Thomas E Dickey
+ *
+@@ -86,7 +86,7 @@
+ {
+ const char *result = name;
+ int n;
+- for (n = 0; strnames[n] != 0; ++n) {
++ for (n = 0; strnames[n] != NULL; ++n) {
+ if (!strcmp(name, strnames[n])) {
+ result = strfnames[n];
+ break;
+@@ -104,7 +104,7 @@
+ if (show && t_opt)
+ fputc('"', stdout);
+
+- if (value != 0 && value != (char *) -1) {
++ if (value != NULL && value != (char *) -1) {
+ while (*value != 0) {
+ char buffer[10];
+ int ch = UChar(*value++);
+@@ -356,7 +356,7 @@
+ if (widths2 < check)
+ widths2 = check;
+ }
+- for (j = 0; Name(j) != 0; ++j) {
++ for (j = 0; Name(j) != NULL; ++j) {
+ if (valid_key(Name(j), terms, count)) {
+ const char *label = f_opt ? full_name(Name(j)) : Name(j);
+ check = (int) strlen(label);
+@@ -399,7 +399,7 @@
+
+ widthsx = widths0 + ((count + 1) * widths2);
+
+- for (j = 0; Name(j) != 0; ++j) {
++ for (j = 0; Name(j) != NULL; ++j) {
+ if (j == 0 || (Type(j) != Type(j - 1)))
+ draw_line(widthsx);
+ if (valid_key(Name(j), terms, count)) {
+@@ -498,7 +498,7 @@
+ int n;
+ for (n = optind; n < argc; ++n) {
+ setupterm((NCURSES_CONST char *) argv[n], 1, &status);
+- if (status > 0 && cur_term != 0) {
++ if (status > 0 && cur_term != NULL) {
+ terms[found++] = cur_term;
+ }
+ }
+Index: test/move_field.c
+Prereq: 1.19
+--- ncurses-6.5-20241130+/test/move_field.c 2024-10-06 21:12:35.000000000 +0000
++++ ncurses-6.5-20241207/test/move_field.c 2024-12-07 22:33:32.000000000 +0000
+@@ -26,7 +26,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: move_field.c,v 1.19 2024/10/06 21:12:35 tom Exp $
++ * $Id: move_field.c,v 1.20 2024/12/07 22:33:32 tom Exp $
+ *
+ * Demonstrate move_field().
+ */
+@@ -91,7 +91,7 @@
+ const char *code = keyname(commands[n].code);
+ size_t need = 5;
+ #ifdef NCURSES_VERSION
+- if ((name = form_request_name(commands[n].result)) == 0)
++ if ((name = form_request_name(commands[n].result)) == NULL)
+ #endif
+ name = commands[n].help;
+ need = 5 + strlen(code) + strlen(name);
+@@ -101,9 +101,9 @@
+ }
+ msgs[used++] =
+ strdup("Arrow keys move within a field as you would expect.");
+- msgs[used] = 0;
++ msgs[used] = NULL;
+ popup_msg2(stdscr, msgs);
+- for (n = 0; msgs[n] != 0; ++n) {
++ for (n = 0; msgs[n] != NULL; ++n) {
+ free(msgs[n]);
+ }
+ free(msgs);
+@@ -444,7 +444,7 @@
+
+ all_fields[n] = (FIELD *) 0;
+
+- if ((form = new_form(all_fields)) != 0) {
++ if ((form = new_form(all_fields)) != NULL) {
+ int finished = 0;
+
+ post_form(form);
+@@ -466,7 +466,7 @@
+
+ free_form(form);
+ }
+- for (c = 0; all_fields[c] != 0; c++) {
++ for (c = 0; all_fields[c] != NULL; c++) {
+ free_edit_field(all_fields[c]);
+ free_field(all_fields[c]);
+ }
+Index: test/movewindow.c
+Prereq: 1.56
+--- ncurses-6.5-20241130+/test/movewindow.c 2024-10-06 18:44:26.000000000 +0000
++++ ncurses-6.5-20241207/test/movewindow.c 2024-12-07 22:33:32.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: movewindow.c,v 1.56 2024/10/06 18:44:26 tom Exp $
++ * $Id: movewindow.c,v 1.57 2024/12/07 22:33:32 tom Exp $
+ *
+ * Demonstrate move functions for windows and derived windows from the curses
+ * library.
+@@ -149,7 +149,7 @@
+ res.y = uli;
+ res.x = ulj;
+
+- if (child != 0) {
++ if (child != NULL) {
+ if (relative) {
+ getparyx(child, i, j);
+ } else {
+@@ -256,20 +256,20 @@
+ bool result = FALSE;
+
+ head_line("Use arrows to move cursor, anything else to mark corner 1");
+- if ((tmp = selectcell(parent, 0,
++ if ((tmp = selectcell(parent, NULL,
+ min_line, min_col,
+ max_line, max_col,
+ FALSE,
+- (bool *) 0)) != 0) {
++ (bool *) 0)) != NULL) {
+ *ul = *tmp;
+ MvWAddCh(parent, ul->y, ul->x, '*');
+
+ head_line("Use arrows to move cursor, anything else to mark corner 2");
+- if ((tmp = selectcell(parent, 0,
++ if ((tmp = selectcell(parent, NULL,
+ ul->y, ul->x,
+ max_line, max_col,
+ FALSE,
+- (bool *) 0)) != 0) {
++ (bool *) 0)) != NULL) {
+ *lr = *tmp;
+ MvWAddCh(parent, lr->y, lr->x, '*');
+ wmove(parent, lr->y, lr->x);
+@@ -348,7 +348,7 @@
+ static WINDOW *
+ parent_of(NCURSES_CONST WINDOW *win)
+ {
+- WINDOW *result = 0;
++ WINDOW *result = NULL;
+ int n = window2num(win);
+ if (n >= 0)
+ result = all_windows[n].parent;
+@@ -429,7 +429,7 @@
+ WINDOW *parent = parent_of(win);
+ bool result = FALSE;
+
+- if (parent != 0) {
++ if (parent != NULL) {
+ bool top = (parent == stdscr);
+ int min_col = top ? COL_MIN : 0;
+ int max_col = top ? COL_MAX : getmaxx(parent);
+@@ -445,7 +445,7 @@
+ min_line, min_col,
+ max_line, max_col,
+ FALSE,
+- &more)) != 0) {
++ &more)) != NULL) {
+ int y0, x0;
+ getbegyx(parent, y0, x0);
+ /*
+@@ -494,7 +494,7 @@
+ WINDOW *parent = parent_of(win);
+ bool result = FALSE;
+
+- if (parent != 0) {
++ if (parent != NULL) {
+ bool top = (parent == stdscr);
+ int min_col = top ? COL_MIN : 0;
+ int max_col = top ? COL_MAX : getmaxx(parent);
+@@ -509,7 +509,7 @@
+ min_line, min_col,
+ max_line, max_col,
+ TRUE,
+- &more)) != 0) {
++ &more)) != NULL) {
+ if (mvderwin(win, tmp->y, tmp->x) != ERR) {
+ refresh_all(win);
+ doupdate();
+@@ -577,16 +577,16 @@
+ create_my_window(WINDOW *current)
+ {
+ PAIR ul, lr;
+- WINDOW *result = 0;
++ WINDOW *result = NULL;
+
+ if (getwindow(stdscr, &ul, &lr)) {
+ result = newwin(lines_of(ul, lr), cols_of(ul, lr), pair_of(ul));
+- if (result != 0) {
++ if (result != NULL) {
+ fill_window(result, 'c');
+ add_window(stdscr, result);
+ }
+ }
+- if (result == 0)
++ if (result == NULL)
+ result = current;
+ return result;
+ }
+@@ -595,16 +595,16 @@
+ create_my_derwin(WINDOW *parent)
+ {
+ PAIR ul, lr;
+- WINDOW *result = 0;
++ WINDOW *result = NULL;
+
+ if (getwindow(parent, &ul, &lr)) {
+ result = derwin(parent, lines_of(ul, lr), cols_of(ul, lr), pair_of(ul));
+- if (result != 0) {
++ if (result != NULL) {
+ fill_window(result, 'd');
+ add_window(parent, result);
+ }
+ }
+- if (result == 0)
++ if (result == NULL)
+ result = parent;
+ return result;
+ }
+@@ -613,7 +613,7 @@
+ create_my_subwin(WINDOW *parent)
+ {
+ PAIR ul, lr;
+- WINDOW *result = 0;
++ WINDOW *result = NULL;
+
+ if (getwindow(parent, &ul, &lr)) {
+ result = subwin(parent,
+@@ -621,12 +621,12 @@
+ cols_of(ul, lr),
+ ul.y + getbegy(parent),
+ ul.x + getbegx(parent));
+- if (result != 0) {
++ if (result != NULL) {
+ fill_window(result, 's');
+ add_window(parent, result);
+ }
+ }
+- if (result == 0)
++ if (result == NULL)
+ result = parent;
+ return result;
+ }
+@@ -718,7 +718,7 @@
+ nonl();
+ intrflush(stdscr, FALSE);
+
+- add_window(0, current_win = stdscr);
++ add_window(NULL, current_win = stdscr);
+
+ #ifdef NCURSES_MOUSE_VERSION
+ (void) mousemask(BUTTON1_CLICKED, (mmask_t *) NULL);
+Index: test/ncurses.c
+Prereq: 1.544
+--- ncurses-6.5-20241130+/test/ncurses.c 2024-11-30 18:54:06.000000000 +0000
++++ ncurses-6.5-20241207/test/ncurses.c 2024-12-07 23:22:39.000000000 +0000
+@@ -41,7 +41,7 @@
+ Author: Eric S. Raymond <esr@snark.thyrsus.com> 1993
+ Thomas E. Dickey (beginning revision 1.27 in 1996).
+
+-$Id: ncurses.c,v 1.544 2024/11/30 18:54:06 tom Exp $
++$Id: ncurses.c,v 1.545 2024/12/07 23:22:39 tom Exp $
+
+ ***************************************************************************/
+
+@@ -121,23 +121,23 @@
+ #endif
+
+ #if HAVE_WCSRTOMBS
+-#define count_wchars(src, len, state) wcsrtombs(0, &src, len, state)
+-#define trans_wchars(dst, src, len, state) wcsrtombs(dst, &src, len, state)
++#define count_wchars(src, len, state) wcsrtombs(NULL, &src, len, state)
++#define trans_wchars(dst, src, len, state) wcsrtombs(dst, &src, len, state)
+ #define reset_wchars(state) init_mb(state)
+ #elif HAVE_WCSTOMBS && HAVE_MBTOWC && HAVE_MBLEN
+-#define count_wchars(src, len, state) wcstombs(0, src, len)
+-#define trans_wchars(dst, src, len, state) wcstombs(dst, src, len)
++#define count_wchars(src, len, state) wcstombs(NULL, src, len)
++#define trans_wchars(dst, src, len, state) wcstombs(dst, src, len)
+ #define reset_wchars(state) IGNORE_RC(mblen(NULL, 0)), IGNORE_RC(mbtowc(NULL, NULL, 0))
+ #define state_unused
+ #endif
+
+ #if HAVE_MBSRTOWCS
+-#define count_mbytes(src, len, state) mbsrtowcs(0, &src, len, state)
+-#define trans_mbytes(dst, src, len, state) mbsrtowcs(dst, &src, len, state)
++#define count_mbytes(src, len, state) mbsrtowcs(NULL, &src, len, state)
++#define trans_mbytes(dst, src, len, state) mbsrtowcs(dst, &src, len, state)
+ #define reset_mbytes(state) init_mb(state)
+ #elif HAVE_MBSTOWCS && HAVE_MBTOWC && HAVE_MBLEN
+-#define count_mbytes(src, len, state) mbstowcs(0, src, len)
+-#define trans_mbytes(dst, src, len, state) mbstowcs(dst, src, len)
++#define count_mbytes(src, len, state) mbstowcs(NULL, src, len)
++#define trans_mbytes(dst, src, len, state) mbstowcs(dst, src, len)
+ #define reset_mbytes(state) IGNORE_RC(mblen(NULL, 0)), IGNORE_RC(mbtowc(NULL, NULL, 0))
+ #define state_unused
+ #endif
+@@ -328,7 +328,7 @@
+
+ source[0] = fullwidth_digit(digit + '0');
+ source[1] = 0;
+- setcchar(target, source, A_NORMAL, 0, 0);
++ setcchar(target, source, A_NORMAL, 0, NULL);
+ }
+ #endif
+
+@@ -683,7 +683,7 @@
+ const char *msg = help[n];
+ int row = 1 + (int) (n % chk);
+ int col = (n >= chk) ? COLS / 2 : 0;
+- int flg = ((strstr(msg, "toggle") != 0)
++ int flg = ((strstr(msg, "toggle") != NULL)
+ && (flags[UChar(*msg)] != FALSE));
+ if (*msg == '^' && ExitOnEscape())
+ msg = "^[,^q -- quit";
+@@ -717,16 +717,16 @@
+ WINDOW *frame;
+ } WINSTACK;
+
+-static WINSTACK *winstack = 0;
++static WINSTACK *winstack = NULL;
+ static unsigned len_winstack = 0;
+
+ static void
+ forget_boxes(void)
+ {
+- if (winstack != 0) {
++ if (winstack != NULL) {
+ free(winstack);
+ }
+- winstack = 0;
++ winstack = NULL;
+ len_winstack = 0;
+ }
+
+@@ -737,7 +737,7 @@
+
+ assert(level < (unsigned) COLS);
+
+- if (winstack == 0) {
++ if (winstack == NULL) {
+ len_winstack = 20;
+ winstack = typeMalloc(WINSTACK, len_winstack);
+ } else if (need >= len_winstack) {
+@@ -1030,7 +1030,7 @@
+ high -= 2;
+ wide -= 2;
+ werase(winstack[n].text);
+- box_set(winstack[n].frame, 0, 0);
++ box_set(winstack[n].frame, NULL, NULL);
+ wnoutrefresh(winstack[n].frame);
+ wprintw(winstack[n].text,
+ "size %dx%d\n",
+@@ -1048,7 +1048,7 @@
+ wcstos(const wchar_t *src)
+ {
+ int need;
+- char *result = 0;
++ char *result = NULL;
+ const wchar_t *tmp = src;
+ #ifndef state_unused
+ mbstate_t state;
+@@ -1057,11 +1057,11 @@
+ reset_wchars(state);
+ if ((need = (int) count_wchars(tmp, 0, &state)) > 0) {
+ unsigned have = (unsigned) need;
+- if ((result = typeCalloc(char, have + 1)) != 0) {
++ if ((result = typeCalloc(char, have + 1)) != NULL) {
+ tmp = src;
+ if (trans_wchars(result, tmp, have, &state) != have) {
+ free(result);
+- result = 0;
++ result = NULL;
+ }
+ } else {
+ failed("wcstos");
+@@ -1124,7 +1124,7 @@
+ for (n = 0; (wchar_buf[n] = (wchar_t) wint_buf[n]) != 0; ++n) {
+ ;
+ }
+- if ((temp = wcstos(wchar_buf)) != 0) {
++ if ((temp = wcstos(wchar_buf)) != NULL) {
+ wprintw(win, "I saw %d characters:\n\t`%s'.",
+ (int) wcslen(wchar_buf), temp);
+ free(temp);
+@@ -1161,7 +1161,7 @@
+ WINDOW *wb = newwin(high, wide, new_y, new_x);
+ WINDOW *wi = newwin(high - 2, wide - 2, new_y + 1, new_x + 1);
+
+- box_set(wb, 0, 0);
++ box_set(wb, NULL, NULL);
+ wrefresh(wb);
+ wmove(wi, 0, 0);
+ remember_boxes(level, wi, wb);
+@@ -1614,7 +1614,7 @@
+ Repaint();
+ break;
+ case HELP_KEY_1:
+- if ((helpwin = newwin(LINES - 1, COLS - 2, 0, 0)) != 0) {
++ if ((helpwin = newwin(LINES - 1, COLS - 2, 0, 0)) != NULL) {
+ box(helpwin, 0, 0);
+ attr_legend(helpwin);
+ wGetchar(helpwin);
+@@ -1837,7 +1837,7 @@
+
+ blank[0] = ' ';
+ blank[1] = 0;
+- setcchar(&normal, blank, A_NORMAL, pair, 0);
++ setcchar(&normal, blank, A_NORMAL, pair, NULL);
+ bkgrnd(&normal);
+ bkgrndset(&normal);
+ }
+@@ -1854,7 +1854,7 @@
+ if (getbkgrnd(&ch) != ERR) {
+ wchar_t wch[CCHARW_MAX];
+
+- if (getcchar(&ch, wch, &attr, &pair, 0) != ERR) {
++ if (getcchar(&ch, wch, &attr, &pair, NULL) != ERR) {
+ result = attr;
+ }
+ }
+@@ -1895,17 +1895,17 @@
+ wchar_t fill[2];
+ fill[0] = *s;
+ fill[1] = L'\0';
+- setcchar(&ch, fill, attr, pair, 0);
++ setcchar(&ch, fill, attr, pair, NULL);
+ (void) wadd_wch(win, &ch);
+ }
+ } else {
+ attr_t old_attr = 0;
+ NCURSES_PAIRS_T old_pair = 0;
+
+- (void) (wattr_get) (win, &old_attr, &old_pair, 0);
+- (void) wattr_set(win, attr, pair, 0);
++ (void) (wattr_get) (win, &old_attr, &old_pair, NULL);
++ (void) wattr_set(win, attr, pair, NULL);
+ (void) waddwstr(win, wide_attr_test_string);
+- (void) wattr_set(win, old_attr, old_pair, 0);
++ (void) wattr_set(win, old_attr, old_pair, NULL);
+ }
+ if (skip)
+ printw("%*s", skip, " ");
+@@ -1969,8 +1969,8 @@
+ Repaint();
+ break;
+ case HELP_KEY_1:
+- if ((helpwin = newwin(LINES - 1, COLS - 2, 0, 0)) != 0) {
+- box_set(helpwin, 0, 0);
++ if ((helpwin = newwin(LINES - 1, COLS - 2, 0, 0)) != NULL) {
++ box_set(helpwin, NULL, NULL);
+ attr_legend(helpwin);
+ wGetchar(helpwin);
+ delwin(helpwin);
+@@ -2074,7 +2074,7 @@
+ set_wide_background(pair);
+ erase();
+
+- box_set(stdscr, 0, 0);
++ box_set(stdscr, NULL, NULL);
+ MvAddStr(0, 20, "Character attribute test display");
+
+ for (j = 0; j < my_size; ++j) {
+@@ -2258,7 +2258,7 @@
+ int col_limit;
+ int row_limit;
+ int per_row;
+- char *numbered = 0;
++ char *numbered = NULL;
+ const char *hello;
+ bool done = FALSE;
+ bool opt_acsc = FALSE;
+@@ -2275,7 +2275,7 @@
+ }
+
+ numbered = typeCalloc(char, COLS + 1);
+- done = ((COLS < 16) || (numbered == 0));
++ done = ((COLS < 16) || (numbered == NULL));
+
+ /*
+ * Because the number of colors is usually a power of two, we also use
+@@ -2481,7 +2481,7 @@
+ }
+ break;
+ case HELP_KEY_1:
+- if ((helpwin = newwin(LINES - 1, COLS - 2, 0, 0)) != 0) {
++ if ((helpwin = newwin(LINES - 1, COLS - 2, 0, 0)) != NULL) {
+ box(helpwin, 0, 0);
+ color_legend(helpwin, FALSE);
+ wGetchar(helpwin);
+@@ -2527,7 +2527,7 @@
+ int col_limit;
+ int row_limit;
+ int per_row;
+- char *numbered = 0;
++ char *numbered = NULL;
+ const char *hello;
+ bool done = FALSE;
+ bool opt_acsc = FALSE;
+@@ -2537,7 +2537,7 @@
+ bool opt_nums = FALSE;
+ bool opt_xchr = FALSE;
+ int opt_zoom = 0;
+- wchar_t *buffer = 0;
++ wchar_t *buffer = NULL;
+ WINDOW *helpwin;
+
+ if (!UseColors) {
+@@ -2546,7 +2546,7 @@
+ }
+ numbered = typeCalloc(char, COLS + 1);
+ buffer = typeCalloc(wchar_t, COLS + 1);
+- done = ((COLS < 16) || (numbered == 0) || (buffer == 0));
++ done = ((COLS < 16) || (numbered == NULL) || (buffer == NULL));
+
+ /*
+ * Because the number of colors is usually a power of two, we also use
+@@ -2765,7 +2765,7 @@
+ }
+ break;
+ case HELP_KEY_1:
+- if ((helpwin = newwin(LINES - 1, COLS - 2, 0, 0)) != 0) {
++ if ((helpwin = newwin(LINES - 1, COLS - 2, 0, 0)) != NULL) {
+ box(helpwin, 0, 0);
+ color_legend(helpwin, TRUE);
+ wGetchar(helpwin);
+@@ -2875,14 +2875,14 @@
+ }
+ reset_prog_mode();
+ }
+- if (palette_file != 0) {
++ if (palette_file != NULL) {
+ FILE *fp = fopen(palette_file, "r");
+- if (fp != 0) {
++ if (fp != NULL) {
+ char buffer[BUFSIZ];
+ int red, green, blue;
+ int scale = 1000;
+ int c;
+- while (fgets(buffer, sizeof(buffer), fp) != 0) {
++ while (fgets(buffer, sizeof(buffer), fp) != NULL) {
+ if (sscanf(buffer, "scale:%d", &c) == 1) {
+ scale = c;
+ if (scale < 100)
+@@ -3387,7 +3387,7 @@
+ case '8':
+ MvAddStr(SLK_WORK, 0, "Please enter the label value: ");
+ _nc_STRCPY(buf, "", sizeof(buf));
+- if ((s = slk_label(c - '0')) != 0) {
++ if ((s = slk_label(c - '0')) != NULL) {
+ _nc_STRNCPY(buf, s, (size_t) 8);
+ }
+ wGetstring(stdscr, buf, 8);
+@@ -3508,7 +3508,7 @@
+ case '8':
+ MvAddStr(SLK_WORK, 0, "Please enter the label value: ");
+ *buf = 0;
+- if ((s = slk_label(c - '0')) != 0) {
++ if ((s = slk_label(c - '0')) != NULL) {
+ char *temp = strdup(s);
+ size_t used = strlen(temp);
+ size_t want = SLKLEN;
+@@ -3821,7 +3821,7 @@
+ int c = 'a';
+ int pagesize = 32;
+ char *term = getenv("TERM");
+- const char *pch_kludge = ((term != 0 && strstr(term, "linux"))
++ const char *pch_kludge = ((term != NULL && strstr(term, "linux"))
+ ? "p=PC, "
+ : "");
+ attr_t attr = A_NORMAL;
+@@ -3831,7 +3831,7 @@
+ int bg = COLOR_BLACK;
+ unsigned at_code = 0;
+ NCURSES_PAIRS_T pair = 0;
+- void (*last_show_acs) (int, attr_t, NCURSES_PAIRS_T) = 0;
++ void (*last_show_acs) (int, attr_t, NCURSES_PAIRS_T) = NULL;
+ ATTR_TBL my_list[SIZEOF(attrs_to_test)];
+ unsigned my_size = init_attr_list(my_list, termattrs());
+
+@@ -3864,12 +3864,12 @@
+ case '2':
+ case '3':
+ digit = (c - '0');
+- last_show_acs = 0;
++ last_show_acs = NULL;
+ break;
+ case '-':
+ if (digit > 0) {
+ --digit;
+- last_show_acs = 0;
++ last_show_acs = NULL;
+ } else {
+ beep();
+ }
+@@ -3877,7 +3877,7 @@
+ case '+':
+ if (digit < 3) {
+ ++digit;
+- last_show_acs = 0;
++ last_show_acs = NULL;
+ } else {
+ beep();
+ }
+@@ -3901,7 +3901,7 @@
+ }
+ if (pagesize != 32) {
+ show_256_chars(repeat, attr, pair);
+- } else if (last_show_acs != 0) {
++ } else if (last_show_acs != NULL) {
+ last_show_acs(repeat, attr, pair);
+ } else {
+ show_upper_chars(digit * pagesize + 128, pagesize, repeat, attr, pair);
+@@ -3941,8 +3941,8 @@
+ TEST_CCHAR(src, {
+ attr |= (test_attrs & A_ALTCHARSET);
+ setcchar(dst, test_wch, attr, pair, NULL);
+- }, {
+- ;
++ }
++ , {;
+ });
+ } while (0);
+ return dst;
+@@ -3981,7 +3981,7 @@
+
+ memset(&codes, 0, sizeof(codes));
+ codes[0] = code;
+- setcchar(&temp, codes, attr, pair, 0);
++ setcchar(&temp, codes, attr, pair, NULL);
+ move(row, col);
+ if (wcwidth(code) == 0 && code != 0) {
+ AddCh((chtype) space |
+@@ -4020,7 +4020,7 @@
+
+ memset(&codes, 0, sizeof(codes));
+ codes[0] = code;
+- setcchar(&temp, codes, attr, pair, 0);
++ setcchar(&temp, codes, attr, pair, NULL);
+
+ do {
+ int y, x;
+@@ -4298,10 +4298,10 @@
+ char temp[80];
+
+ MvPrintw(row, col, "%*s : ", COLS / 4, name);
+- (void) attr_set(attr, pair, 0);
++ (void) attr_set(attr, pair, NULL);
+ _nc_STRNCPY(temp, code, 20);
+ addstr(temp);
+- (void) attr_set(A_NORMAL, 0, 0);
++ (void) attr_set(A_NORMAL, 0, NULL);
+ return n + 1;
+ }
+
+@@ -4373,7 +4373,7 @@
+ int bg = COLOR_BLACK;
+ unsigned at_code = 0;
+ NCURSES_PAIRS_T pair = 0;
+- void (*last_show_wacs) (int, attr_t, NCURSES_PAIRS_T) = 0;
++ void (*last_show_wacs) (int, attr_t, NCURSES_PAIRS_T) = NULL;
+ W_ATTR_TBL my_list[SIZEOF(w_attrs_to_test)];
+ unsigned my_size = init_w_attr_list(my_list, term_attrs());
+ char at_page[20];
+@@ -4436,26 +4436,26 @@
+ at_page[--len] = '\0';
+ } else if (c < 256 && isdigit(c)) {
+ digit = (unsigned) (c - '0');
+- last_show_wacs = 0;
++ last_show_wacs = NULL;
+ } else if (c == '+') {
+ ++digit;
+ _nc_SPRINTF(at_page, _nc_SLIMIT(sizeof(at_page)) "%02x", digit);
+- last_show_wacs = 0;
++ last_show_wacs = NULL;
+ } else if (c == '-' && digit > 0) {
+ --digit;
+ _nc_SPRINTF(at_page, _nc_SLIMIT(sizeof(at_page)) "%02x",
+ UChar(digit));
+- last_show_wacs = 0;
++ last_show_wacs = NULL;
+ } else if (c == '>' && repeat < (COLS / 4)) {
+ ++repeat;
+ } else if (c == '<' && repeat > 1) {
+ --repeat;
+ } else if (c == '_') {
+ space = (space == ' ') ? '_' : ' ';
+- last_show_wacs = 0;
++ last_show_wacs = NULL;
+ } else if (cycle_w_attr(c, &at_code, &attr, my_list, my_size)
+ || cycle_colors(c, &fg, &bg, &pair)) {
+- if (last_show_wacs != 0)
++ if (last_show_wacs != NULL)
+ break;
+ } else {
+ beep();
+@@ -4465,7 +4465,7 @@
+ }
+ if (pagesize != 32) {
+ show_paged_widechars(digit, pagesize, repeat, space, attr, pair);
+- } else if (last_show_wacs != 0) {
++ } else if (last_show_wacs != NULL) {
+ last_show_wacs(repeat, attr, pair);
+ } else {
+ show_upper_widechars(digit * 32 + 128, repeat, space, attr, pair);
+@@ -4615,7 +4615,7 @@
+ static WINDOW *
+ frame_win(FRAME * curp)
+ {
+- return (curp != 0) ? curp->wind : stdscr;
++ return (curp != NULL) ? curp->wind : stdscr;
+ }
+
+ /* We need to know if these flags are actually set, so don't look in FRAME.
+@@ -4834,7 +4834,7 @@
+ outerbox(ul, lr, TRUE);
+ refresh();
+
+- if (rwindow != 0)
++ if (rwindow != NULL)
+ wrefresh(rwindow);
+
+ move(0, 0);
+@@ -4865,9 +4865,9 @@
+ static FRAME *
+ delete_framed(FRAME * fp, bool showit)
+ {
+- FRAME *np = 0;
++ FRAME *np = NULL;
+
+- if (fp != 0) {
++ if (fp != NULL) {
+ fp->last->next = fp->next;
+ fp->next->last = fp->last;
+
+@@ -4905,7 +4905,7 @@
+ transient((FRAME *) 0, (char *) 0);
+ switch (c) {
+ case CTRL('C'):
+- if ((neww = typeCalloc(FRAME, (size_t) 1)) == 0) {
++ if ((neww = typeCalloc(FRAME, (size_t) 1)) == NULL) {
+ failed("scroll_test");
+ goto breakout;
+ }
+@@ -4915,7 +4915,7 @@
+ goto breakout;
+ }
+
+- if (current == 0) { /* First element, */
++ if (current == NULL) { /* First element, */
+ neww->next = neww; /* so point it at itself */
+ neww->last = neww;
+ } else {
+@@ -4970,7 +4970,7 @@
+
+ #if HAVE_PUTWIN && HAVE_GETWIN
+ case CTRL('W'): /* save and delete window */
+- if ((current != 0) && (current == current->next)) {
++ if ((current != NULL) && (current == current->next)) {
+ transient(current, "Will not save/delete ONLY window");
+ break;
+ } else if ((fp = fopen(DUMPFILE, "w")) == (FILE *) 0) {
+@@ -4991,13 +4991,13 @@
+ if ((fp = fopen(DUMPFILE, "r")) == (FILE *) 0) {
+ transient(current, "Can't open screen dump file");
+ } else {
+- if ((neww = typeCalloc(FRAME, (size_t) 1)) != 0) {
++ if ((neww = typeCalloc(FRAME, (size_t) 1)) != NULL) {
+
+- neww->next = current ? current->next : 0;
++ neww->next = current ? current->next : NULL;
+ neww->last = current;
+- if (neww->last != 0)
++ if (neww->last != NULL)
+ neww->last->next = neww;
+- if (neww->next != 0)
++ if (neww->next != NULL)
+ neww->next->last = neww;
+
+ neww->wind = getwin(fp);
+@@ -5119,7 +5119,7 @@
+ && (c != ERR));
+
+ breakout:
+- while (current != 0)
++ while (current != NULL)
+ current = delete_framed(current, FALSE);
+
+ scrollok(stdscr, TRUE); /* reset to driver's default */
+@@ -5180,7 +5180,7 @@
+ {
+ wmove(stdscr, LINES - 1, 0);
+ wclrtoeol(stdscr);
+- if (text != 0 && *text != '\0') {
++ if (text != NULL && *text != '\0') {
+ waddstr(stdscr, text);
+ waddstr(stdscr, "; ");
+ }
+@@ -5194,10 +5194,10 @@
+ mkpanel(NCURSES_COLOR_T color, int rows, int cols, int tly, int tlx)
+ {
+ WINDOW *win;
+- PANEL *pan = 0;
++ PANEL *pan = NULL;
+
+- if ((win = newwin(rows, cols, tly, tlx)) != 0) {
+- if ((pan = new_panel(win)) == 0) {
++ if ((win = newwin(rows, cols, tly, tlx)) != NULL) {
++ if ((pan = new_panel(win)) == NULL) {
+ delwin(win);
+ } else if (UseColors) {
+ NCURSES_COLOR_T fg = (NCURSES_COLOR_T) ((color == COLOR_BLUE)
+@@ -5337,7 +5337,8 @@
+ }
+
+ static int
+-demo_panels(void (*InitPanel) (WINDOW *), void (*FillPanel) (NCURSES_CONST PANEL *))
++demo_panels(void (*InitPanel) (WINDOW *),
++ void (*FillPanel) (NCURSES_CONST PANEL *))
+ {
+ int count;
+ int itmp;
+@@ -5927,7 +5928,7 @@
+ {
+ WINDOW *panpad = newpad(PAD_HIGH, PAD_WIDE);
+
+- if (panpad == 0) {
++ if (panpad == NULL) {
+ Cannot("cannot create requested pad");
+ return ERR;
+ }
+@@ -5990,7 +5991,7 @@
+ getbegyx(win, by, bx);
+ sw = w / 3;
+ sh = h / 3;
+- if ((subWin = subwin(win, sh, sw, by + h - sh - 2, bx + w - sw - 2)) == 0)
++ if ((subWin = subwin(win, sh, sw, by + h - sh - 2, bx + w - sw - 2)) == NULL)
+ return ERR;
+
+ #ifdef A_COLOR
+@@ -6138,7 +6139,7 @@
+ refresh();
+
+ for (ap = animals; *ap; ap++) {
+- if ((*ip = new_item(*ap, "")) != 0)
++ if ((*ip = new_item(*ap, "")) != NULL)
+ ++ip;
+ }
+ *ip = (ITEM *) 0;
+@@ -6216,8 +6217,8 @@
+ static size_t need = 12;
+ int n;
+
+- if (buf == 0) {
+- for (n = 0; t_tbl[n].name != 0; n++)
++ if (buf == NULL) {
++ for (n = 0; t_tbl[n].name != NULL; n++)
+ need += strlen(t_tbl[n].name) + 2;
+ buf = typeMalloc(char, need);
+ if (!buf)
+@@ -6228,7 +6229,7 @@
+ _nc_STRCAT(buf, t_tbl[0].name ? t_tbl[0].name : "", need);
+ _nc_STRCAT(buf, ", ", need);
+ } else {
+- for (n = 1; t_tbl[n].name != 0; n++)
++ for (n = 1; t_tbl[n].name != NULL; n++)
+ if ((tlevel & t_tbl[n].mask) == t_tbl[n].mask) {
+ _nc_STRCAT(buf, t_tbl[n].name, need);
+ _nc_STRCAT(buf, ", ", need);
+@@ -6260,14 +6261,14 @@
+ i = current_item(m);
+ if (i == items[0]) {
+ if (item_value(i)) {
+- for (p = items + 1; *p != 0; p++)
++ for (p = items + 1; *p != NULL; p++)
+ if (item_value(*p)) {
+ set_item_value(*p, FALSE);
+ changed = TRUE;
+ }
+ }
+ } else {
+- for (p = items + 1; *p != 0; p++)
++ for (p = items + 1; *p != NULL; p++)
+ if (item_value(*p)) {
+ set_item_value(items[0], FALSE);
+ changed = TRUE;
+@@ -6300,8 +6301,8 @@
+
+ refresh();
+
+- for (n = 0; t_tbl[n].name != 0; n++) {
+- if ((*ip = new_item(t_tbl[n].name, "")) != 0) {
++ for (n = 0; t_tbl[n].name != NULL; n++) {
++ if ((*ip = new_item(t_tbl[n].name, "")) != NULL) {
+ ++ip;
+ }
+ }
+@@ -6431,7 +6432,7 @@
+ size_t need = 80 + have;
+ char *temp = malloc(need);
+
+- if (temp != 0) {
++ if (temp != NULL) {
+ size_t len;
+ _nc_STRNCPY(temp, source ? source : "", have + 1);
+ len = (size_t) (char *) field_userptr(me);
+@@ -6735,7 +6736,7 @@
+ set_field_type(f[n - 1], fty_passwd);
+ f[n] = (FIELD *) 0;
+
+- if ((form = new_form(f)) != 0) {
++ if ((form = new_form(f)) != NULL) {
+ WINDOW *w;
+ int finished = 0;
+
+@@ -6764,7 +6765,7 @@
+
+ free_form(form);
+ }
+- for (c = 0; f[c] != 0; c++)
++ for (c = 0; f[c] != NULL; c++)
+ free_field(f[c]);
+ free_fieldtype(fty_middle);
+ free_fieldtype(fty_passwd);
+@@ -6798,7 +6799,7 @@
+ getmaxyx(stdscr, y, x);
+ if (y < 23 || x < 80) {
+ Cannot("The screen is too small for this test");
+- result = 0;
++ result = NULL;
+ } else {
+ int ymax = y - (overlap_HEAD + overlap_FOOT);
+ int high = ymax / 5; /* equal-sized parts for cross */
+@@ -7206,9 +7207,9 @@
+ int shift = 0, last_refresh = -1;
+ int state, flavor[OVERLAP_FLAVORS];
+
+- if ((win1 = make_overlap(0)) == 0) {
++ if ((win1 = make_overlap(0)) == NULL) {
+ return ERR;
+- } else if ((win2 = make_overlap(1)) == 0) {
++ } else if ((win2 = make_overlap(1)) == NULL) {
+ delwin(win1);
+ return ERR;
+ }
+@@ -7406,9 +7407,9 @@
+ int shift = 0, last_refresh = -1;
+ int state, flavor[OVERLAP_FLAVORS];
+
+- if ((win1 = make_overlap(0)) == 0) {
++ if ((win1 = make_overlap(0)) == NULL) {
+ return ERR;
+- } else if ((win2 = make_overlap(1)) == 0) {
++ } else if ((win2 = make_overlap(1)) == NULL) {
+ delwin(win1);
+ return ERR;
+ }
+@@ -7902,7 +7903,7 @@
+ bool monochrome = FALSE;
+ #if HAVE_COLOR_CONTENT
+ bool xterm_colors = FALSE;
+- NCURSES_CONST char *palette_file = 0;
++ NCURSES_CONST char *palette_file = NULL;
+ #endif
+
+ setlocale(LC_ALL, "");
+@@ -7972,7 +7973,7 @@
+ #endif
+ #ifdef TRACE
+ case 'D':
+- save_trace = (unsigned) strtol(optarg, 0, 0);
++ save_trace = (unsigned) strtol(optarg, NULL, 0);
+ break;
+ #endif
+ #if HAVE_COLOR_CONTENT
+Index: test/padview.c
+Prereq: 1.26
+--- ncurses-6.5-20241130+/test/padview.c 2024-11-30 18:14:46.000000000 +0000
++++ ncurses-6.5-20241207/test/padview.c 2024-12-07 22:40:19.000000000 +0000
+@@ -29,7 +29,7 @@
+ /*
+ * clone of view.c, using pads
+ *
+- * $Id: padview.c,v 1.26 2024/11/30 18:14:46 tom Exp $
++ * $Id: padview.c,v 1.27 2024/12/07 22:40:19 tom Exp $
+ */
+
+ #include <test.priv.h>
+@@ -124,7 +124,7 @@
+ size_t len;
+ struct stat sb;
+ char *my_blob;
+- char **my_vec = 0;
++ char **my_vec = NULL;
+ WINDOW *my_pad;
+
+ if (stat(filename, &sb) != 0
+@@ -136,11 +136,11 @@
+ failed("input is empty");
+ }
+
+- if ((fp = fopen(filename, "r")) == 0) {
++ if ((fp = fopen(filename, "r")) == NULL) {
+ failed("cannot open input-file");
+ }
+
+- if ((my_blob = malloc((size_t) sb.st_size + 1)) == 0) {
++ if ((my_blob = malloc((size_t) sb.st_size + 1)) == NULL) {
+ failed("cannot allocate memory for input-file");
+ }
+
+@@ -171,7 +171,7 @@
+ }
+ num_lines = k;
+ if (pass == 0) {
+- if (((my_vec = typeCalloc(char *, (size_t) k + 2)) == 0)) {
++ if (((my_vec = typeCalloc(char *, (size_t) k + 2)) == NULL)) {
+ failed("cannot allocate line-vector #1");
+ }
+ } else {
+@@ -199,7 +199,7 @@
+ }
+ width = (width + 1) * 5;
+ my_pad = newpad(height, width);
+- if (my_pad == 0)
++ if (my_pad == NULL)
+ failed("cannot allocate pad workspace");
+ if (try_color) {
+ wattrset(my_pad, COLOR_PAIR(my_pair));
+@@ -301,7 +301,7 @@
+ " s - use entered count for halfdelay() parameter",
+ " - if no entered count, stop nodelay()",
+ " <space> - begin nodelay()",
+- 0
++ NULL
+ };
+
+ int ch;
+@@ -337,9 +337,9 @@
+ #ifdef TRACE
+ case 'D':
+ {
+- char *next = 0;
++ char *next = NULL;
+ int tvalue = (int) strtol(optarg, &next, 0);
+- if (tvalue < 0 || (next != 0 && *next != 0))
++ if (tvalue < 0 || (next != NULL && *next != 0))
+ usage(FALSE);
+ curses_trace((unsigned) tvalue);
+ }
+Index: test/pair_content.c
+Prereq: 1.24
+--- ncurses-6.5-20241130+/test/pair_content.c 2024-11-30 18:31:01.000000000 +0000
++++ ncurses-6.5-20241207/test/pair_content.c 2024-12-07 22:45:15.000000000 +0000
+@@ -26,7 +26,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: pair_content.c,v 1.24 2024/11/30 18:31:01 tom Exp $
++ * $Id: pair_content.c,v 1.25 2024/12/07 22:45:15 tom Exp $
+ */
+
+ #define NEED_TIME_H
+@@ -181,7 +181,7 @@
+ my_color_t fg;
+ my_color_t bg;
+ if (PairContent(pair, &fg, &bg) == OK) {
+- if (expected != 0) {
++ if (expected != NULL) {
+ if (fg != expected[pair].fg)
+ success = FALSE;
+ if (bg != expected[pair].bg)
+Index: test/picsmap.c
+Prereq: 1.152
+--- ncurses-6.5-20241130+/test/picsmap.c 2024-11-30 21:39:57.000000000 +0000
++++ ncurses-6.5-20241207/test/picsmap.c 2024-12-07 22:48:03.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: picsmap.c,v 1.152 2024/11/30 21:39:57 tom Exp $
++ * $Id: picsmap.c,v 1.153 2024/12/07 22:48:03 tom Exp $
+ *
+ * Author: Thomas E. Dickey
+ *
+@@ -109,7 +109,7 @@
+ static void warning(const char *fmt, ...) GCC_PRINTFLIKE(1, 2);
+ static int gather_c_values(int);
+
+-static FILE *logfp = 0;
++static FILE *logfp = NULL;
+ static double aspect_ratio = 0.6;
+ static bool in_curses = FALSE;
+ static bool debugging = FALSE;
+@@ -138,7 +138,7 @@
+ static void
+ logmsg(const char *fmt, ...)
+ {
+- if (logfp != 0) {
++ if (logfp != NULL) {
+ va_list ap;
+ va_start(ap, fmt);
+ vfprintf(logfp, fmt, ap);
+@@ -151,7 +151,7 @@
+ static void
+ logmsg2(const char *fmt, ...)
+ {
+- if (logfp != 0) {
++ if (logfp != NULL) {
+ va_list ap;
+ va_start(ap, fmt);
+ vfprintf(logfp, fmt, ap);
+@@ -163,7 +163,7 @@
+ static void
+ close_log(void)
+ {
+- if (logfp != 0) {
++ if (logfp != NULL) {
+ logmsg("Allocations:");
+ logmsg("%8ld file", (long) how_much.file);
+ logmsg("%8ld name", (long) how_much.name);
+@@ -174,7 +174,7 @@
+ logmsg("%8ld cell", (long) how_much.cell);
+ logmsg("%8ld window", LINES * COLS * (long) sizeof(NCURSES_CH_T));
+ fclose(logfp);
+- logfp = 0;
++ logfp = NULL;
+ }
+ }
+
+@@ -199,7 +199,7 @@
+ static void
+ warning(const char *fmt, ...)
+ {
+- if (logfp != 0) {
++ if (logfp != NULL) {
+ va_list ap;
+ va_start(ap, fmt);
+ vfprintf(logfp, fmt, ap);
+@@ -219,7 +219,7 @@
+ static void
+ free_data(char **data)
+ {
+- if (data != 0) {
++ if (data != NULL) {
+ free(data[0]);
+ free(data);
+ }
+@@ -228,12 +228,12 @@
+ static PICS_HEAD *
+ free_pics_head(PICS_HEAD * pics)
+ {
+- if (pics != 0) {
++ if (pics != NULL) {
+ free(pics->fgcol);
+ free(pics->cells);
+ free(pics->name);
+ free(pics);
+- pics = 0;
++ pics = NULL;
+ }
+ return pics;
+ }
+@@ -305,14 +305,14 @@
+ reading_ncols[next].count = 0;
+
+ check_c_values(__LINE__);
+- if ((ft = tfind(I2P(next), &reading_ntree, compare_c_values)) != 0) {
++ if ((ft = tfind(I2P(next), &reading_ntree, compare_c_values)) != NULL) {
+ found = P2I(*ft);
+ } else {
+ if (reading_last + 2 >= reading_size) {
+ int more = ((MAX(reading_last, reading_size) + 2) * 3) / 2;
+ int last = reading_last + 1;
+ FG_NODE *p = typeRealloc(FG_NODE, more, reading_ncols);
+- if (p == 0)
++ if (p == NULL)
+ goto done;
+
+ reading_size = more;
+@@ -323,7 +323,7 @@
+ }
+ ++reading_last;
+ how_much.pair += sizeof(FG_NODE);
+- if ((ft = tsearch(I2P(next), &reading_ntree, compare_c_values)) != 0) {
++ if ((ft = tsearch(I2P(next), &reading_ntree, compare_c_values)) != NULL) {
+ found = P2I(*ft);
+ if (found != next)
+ logmsg("OOPS expected slot %d, got %d", next, found);
+@@ -370,24 +370,24 @@
+
+ reading_last = 0;
+ reading_size = 0;
+- reading_ncols = 0;
++ reading_ncols = NULL;
+ }
+
+ static void
+ dispose_c_values(void)
+ {
+ #if HAVE_TSEARCH
+- if (reading_ntree != 0) {
++ if (reading_ntree != NULL) {
+ int n;
+ for (n = 0; n < reading_last; ++n) {
+ tdelete(I2P(n), &reading_ntree, compare_c_values);
+ }
+- reading_ntree = 0;
++ reading_ntree = NULL;
+ }
+ #endif
+- if (reading_ncols != 0) {
++ if (reading_ncols != NULL) {
+ free(reading_ncols);
+- reading_ncols = 0;
++ reading_ncols = NULL;
+ }
+ reading_last = 0;
+ reading_size = 0;
+@@ -413,7 +413,7 @@
+ static char **
+ read_file(const char *filename)
+ {
+- char **result = 0;
++ char **result = NULL;
+ struct stat sb;
+
+ if (!quiet) {
+@@ -430,9 +430,9 @@
+ result = typeCalloc(char *, size + 1);
+ how_much.file += ((size + 1) * 2);
+
+- if (blob != 0 && result != 0) {
++ if (blob != NULL && result != NULL) {
+ FILE *fp = fopen(filename, "r");
+- if (fp != 0) {
++ if (fp != NULL) {
+ logmsg("opened %s", filename);
+
+ if (fread(blob, sizeof(char), size, fp) == size) {
+@@ -457,7 +457,7 @@
+ result[k++] = blob + j;
+ }
+ }
+- result[k] = 0;
++ result[k] = NULL;
+ if (k && !binary) {
+ debugmsg2("[%5d] %s\n", k, result[k - 1]);
+ }
+@@ -471,7 +471,7 @@
+ debugmsg("...file is empty");
+ free(blob);
+ free(result);
+- result = 0;
++ result = NULL;
+ } else if (binary) {
+ debugmsg("...file is non-text");
+ }
+@@ -548,20 +548,20 @@
+ read_palette(const char *filename)
+ {
+ static const char *data_dir = DATA_DIR;
+- char **result = 0;
++ char **result = NULL;
+ size_t last = strlen(filename);
+ size_t need = (strlen(data_dir) + 20 + last);
+ char *full_name = malloc(need);
+ char *s;
+ struct stat sb;
+
+- if (full_name != 0) {
++ if (full_name != NULL) {
+ int tries;
+ for (tries = 0; tries < 8; ++tries) {
+
+ *(s = full_name) = '\0';
+ if (tries & 1) {
+- if (strchr(filename, '/') == 0) {
++ if (strchr(filename, '/') == NULL) {
+ _nc_SPRINTF(full_name, _nc_SLIMIT(need) "%s/", data_dir);
+ } else {
+ continue;
+@@ -582,7 +582,7 @@
+ if (*t == '-') {
+ if (sscanf(t, "-%d%c", &num, &chr) == 2 &&
+ chr == 'c' &&
+- (tc = strchr(t, chr)) != 0 &&
++ (tc = strchr(t, chr)) != NULL &&
+ !(strncmp) (tc, "color", 5)) {
+ found = 1;
+ }
+@@ -622,7 +622,7 @@
+ static void
+ init_palette(const char *palette_file)
+ {
+- if (palette_file != 0) {
++ if (palette_file != NULL) {
+ char **data = read_palette(palette_file);
+
+ all_colors = typeMalloc(RGB_DATA, (unsigned) COLORS);
+@@ -641,12 +641,12 @@
+ #else
+ memset(all_colors, 0, sizeof(RGB_DATA) * (size_t) COLORS);
+ #endif
+- if (data != 0) {
++ if (data != NULL) {
+ int n;
+ int red, green, blue;
+ int scale = MaxSCALE;
+ int c;
+- for (n = 0; data[n] != 0; ++n) {
++ for (n = 0; data[n] != NULL; ++n) {
+ if (sscanf(data[n], "scale:%d", &c) == 1) {
+ scale = c;
+ } else if (sscanf(data[n], "%d:%d %d %d",
+@@ -677,9 +677,9 @@
+ }
+
+ if ((power2 != COLORS) || ((shift % 3) != 0)) {
+- if (all_colors == 0) {
++ if (all_colors == NULL) {
+ init_palette(getenv("TERM"));
+- if (all_colors == 0) {
++ if (all_colors == NULL) {
+ giveup("With %d colors, you need a palette-file", COLORS);
+ }
+ }
+@@ -704,7 +704,7 @@
+ int green = (value & 0x00ff00) >> 8;
+ int blue = (value & 0x0000ff) >> 0;
+
+- if (all_colors != 0) {
++ if (all_colors != NULL) {
+ #define Diff2(n,m) ((m) - all_colors[n].m) * ((m) - all_colors[n].m)
+ #define Diff2S(n) Diff2(n,red) + Diff2(n,green) + Diff2(n,blue)
+ int d2 = Diff2S(0);
+@@ -823,7 +823,7 @@
+ limit = -1;
+ ip = va_arg(ap, int *);
+ lv = strtol(source, &cp, ch == 'd' ? 10 : 16);
+- if (cp != 0 && cp != source) {
++ if (cp != NULL && cp != source) {
+ *ip = (int) lv;
+ source = cp;
+ } else {
+@@ -834,13 +834,13 @@
+ /* floating point for pixels... */
+ fp = va_arg(ap, float *);
+ lv = strtol(source, &cp, 10);
+- if (cp == 0 || cp == source)
++ if (cp == NULL || cp == source)
+ goto finish;
+ *fp = (float) lv;
+ source = cp;
+ if (*source == '.') {
+ lv = strtol(++source, &cp, 10);
+- if (cp == 0 || cp == source)
++ if (cp == NULL || cp == source)
+ goto finish;
+ {
+ float scale = 1.0f;
+@@ -907,7 +907,7 @@
+ s += cpp;
+ while (*s++ == '\t') {
+ char *t;
+- for (t = arg2; (*s != '\0') && strchr("\t\"", *s) == 0;) {
++ for (t = arg2; (*s != '\0') && strchr("\t\"", *s) == NULL;) {
+ if (*s == ' ') {
+ s = skip_cs(s);
+ break;
+@@ -915,7 +915,7 @@
+ *t++ = *s++;
+ *t = '\0';
+ }
+- for (t = arg3; (*s != '\0') && strchr("\t\"", *s) == 0;) {
++ for (t = arg3; (*s != '\0') && strchr("\t\"", *s) == NULL;) {
+ *t++ = *s++;
+ *t = '\0';
+ }
+@@ -938,14 +938,14 @@
+ char *s, *t;
+ size_t item = 0;
+ size_t need;
+- RGB_NAME *result = 0;
++ RGB_NAME *result = NULL;
+
+- for (need = 0; data[need] != 0; ++need) ;
++ for (need = 0; data[need] != NULL; ++need) ;
+
+ result = typeCalloc(RGB_NAME, need + 2);
+ how_much.name += (sizeof(RGB_NAME) * (need + 2));
+
+- for (n = 0; data[n] != 0; ++n) {
++ for (n = 0; data[n] != NULL; ++n) {
+ if (strlen(t = data[n]) >= sizeof(buf) - 1)
+ continue;
+ t = strcpy(buf, t);
+@@ -993,10 +993,10 @@
+ static RGB_NAME *
+ lookup_rgb(const char *name)
+ {
+- RGB_NAME *result = 0;
+- if (rgb_table != 0) {
++ RGB_NAME *result = NULL;
++ if (rgb_table != NULL) {
+ int n;
+- for (n = 0; rgb_table[n].name != 0; ++n) {
++ for (n = 0; rgb_table[n].name != NULL; ++n) {
+ if (!CaselessCmp(name, rgb_table[n].name)) {
+ result = &rgb_table[n];
+ break;
+@@ -1029,7 +1029,7 @@
+ gather_c_values(0);
+ gather_c_values(0xffffff);
+
+- for (n = 0; data[n] != 0; ++n) {
++ for (n = 0; data[n] != NULL; ++n) {
+ if (strlen(s = data[n]) >= sizeof(buf) - 1)
+ continue;
+ switch (state) {
+@@ -1037,10 +1037,10 @@
+ case 1:
+ case 2:
+ if (sscanf(s, "#define %1024s %d%c", buf, &num, &ch) >= 2) {
+- if ((t = strstr(buf, "_width")) != 0) {
++ if ((t = strstr(buf, "_width")) != NULL) {
+ state |= 1;
+ result->wide = (short) bytes_of(num);
+- } else if ((t = strstr(buf, "_height")) != 0) {
++ } else if ((t = strstr(buf, "_height")) != NULL) {
+ state |= 2;
+ result->high = (short) num;
+ } else {
+@@ -1067,7 +1067,7 @@
+ result->cells = typeCalloc(PICS_CELL, cells);
+ how_much.cell += (sizeof(PICS_CELL) * cells);
+
+- if ((s = strchr(s, L_CURLY)) == 0)
++ if ((s = strchr(s, L_CURLY)) == NULL)
+ break;
+ ++s;
+ } else {
+@@ -1147,14 +1147,14 @@
+ char arg1[BUFSIZ];
+ char arg2[BUFSIZ];
+ char arg3[BUFSIZ];
+- char **list = 0;
++ char **list = NULL;
+
+ debugmsg("called parse_xpm");
+
+ result = typeCalloc(PICS_HEAD, 1);
+ how_much.head += sizeof(PICS_HEAD);
+
+- for (n = 0; data[n] != 0; ++n) {
++ for (n = 0; data[n] != NULL; ++n) {
+ if (strlen(s = data[n]) >= sizeof(buf) - 1)
+ continue;
+ s = strcpy(buf, s);
+@@ -1201,7 +1201,7 @@
+ num_colors++;
+ free(list[reading_last]);
+ list[reading_last] = strdup(arg1);
+- if ((by_name = lookup_rgb(arg3)) != 0) {
++ if ((by_name = lookup_rgb(arg3)) != NULL) {
+ found = gather_c_values(by_name->value);
+ } else if (*arg3 == '#') {
+ char *rgb = arg3 + 1;
+@@ -1227,7 +1227,7 @@
+ if (num_colors >= result->colors) {
+ finish_c_values(result);
+ state = 4;
+- if (list[0] == 0)
++ if (list[0] == NULL)
+ list[0] = strdup("\033");
+ }
+ break;
+@@ -1239,7 +1239,7 @@
+
+ /* FIXME - factor out */
+ for (c = 0; c < result->colors; ++c) {
+- if (list[c] == 0) {
++ if (list[c] == NULL) {
+ /* should not happen... */
+ continue;
+ }
+@@ -1314,8 +1314,8 @@
+ result = typeCalloc(PICS_HEAD, 1);
+ how_much.head += sizeof(PICS_HEAD);
+
+- if ((pp = popen(cmd, "r")) != 0) {
+- if (fgets(buffer, sizeof(buffer), pp) != 0) {
++ if ((pp = popen(cmd, "r")) != NULL) {
++ if (fgets(buffer, sizeof(buffer), pp) != NULL) {
+ size_t n = strlen(filename);
+ debugmsg2("...read %s", buffer);
+ if (strlen(buffer) > n &&
+@@ -1341,12 +1341,12 @@
+ _nc_STRCAT(cmd, " 2>/dev/null", need);
+
+ logmsg("...opening pipe to %s", cmd);
+- if ((pp = popen(cmd, "r")) != 0) {
++ if ((pp = popen(cmd, "r")) != NULL) {
+ int count = 0;
+ int col = 0;
+ int row = 0;
+ int len = 0;
+- while (fgets(buffer, sizeof(buffer), pp) != 0) {
++ while (fgets(buffer, sizeof(buffer), pp) != NULL) {
+ debugmsg2("[%5d] %s", count + 1, buffer);
+ if (strlen(buffer) > 160) { /* 80 columns would be enough */
+ okay = FALSE;
+@@ -1380,7 +1380,7 @@
+ const char *t = s;
+ bool matched = FALSE;
+
+- if (s != 0) {
++ if (s != NULL) {
+ /* after the "#RGB", there are differences - just ignore */
+ while (*s != '\0' && !isspace(UChar(*s)))
+ ++s;
+@@ -1472,11 +1472,11 @@
+ read_picture(const char *filename, char **data)
+ {
+ PICS_HEAD *pics;
+- if ((pics = parse_xbm(data)) == 0) {
++ if ((pics = parse_xbm(data)) == NULL) {
+ dispose_c_values();
+- if ((pics = parse_xpm(data)) == 0) {
++ if ((pics = parse_xpm(data)) == NULL) {
+ dispose_c_values();
+- if ((pics = parse_img(filename)) == 0) {
++ if ((pics = parse_img(filename)) == NULL) {
+ dispose_c_values();
+ free_data(data);
+ warning("unexpected file-format for \"%s\"", filename);
+@@ -1638,7 +1638,7 @@
+ int total;
+ char buffer[256];
+
+- if (logfp == 0)
++ if (logfp == NULL)
+ return;
+
+ qsort(pics->fgcol, (size_t) pics->colors, sizeof(FG_NODE), compare_fg_counts);
+@@ -1729,7 +1729,7 @@
+ int ch;
+ int opt_d = FALSE;
+ char ignore_ch;
+- const char *palette_path = 0;
++ const char *palette_path = NULL;
+ const char *rgb_path = RGB_PATH;
+
+ while ((ch = getopt(argc, argv, OPTS_COMMON "a:dLF:p:qr:s:x:")) != -1) {
+@@ -1751,7 +1751,7 @@
+ debugging = TRUE;
+ break;
+ case 'F':
+- if ((logfp = fopen(optarg, "a")) == 0)
++ if ((logfp = fopen(optarg, "a")) == NULL)
+ failed(optarg);
+ break;
+ case 'p':
+@@ -1810,11 +1810,11 @@
+ PICS_HEAD *pics;
+ char **data = read_file(argv[n]);
+
+- if (data == 0) {
++ if (data == NULL) {
+ warning("cannot read \"%s\"", argv[n]);
+ continue;
+ }
+- if ((pics = read_picture(argv[n], data)) != 0) {
++ if ((pics = read_picture(argv[n], data)) != NULL) {
+ if (in_curses) {
+ show_picture(pics);
+ } else {
+Index: test/popup_msg.c
+Prereq: 1.14
+--- ncurses-6.5-20241130+/test/popup_msg.c 2024-10-26 19:28:11.000000000 +0000
++++ ncurses-6.5-20241207/test/popup_msg.c 2024-12-07 22:22:51.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: popup_msg.c,v 1.14 2024/10/26 19:28:11 Stas.Sergeev Exp $
++ * $Id: popup_msg.c,v 1.15 2024/12/07 22:22:51 tom Exp $
+ *
+ * Show a multi-line message in a window which may extend beyond the screen.
+ *
+@@ -78,16 +78,16 @@
+ int last_y;
+ int ch = ERR;
+
+- for (n = 0; msg[n] != 0; ++n) {
++ for (n = 0; msg[n] != NULL; ++n) {
+ int check = (int) strlen(msg[n]);
+ if (width < check)
+ width = check;
+ }
+ length = n;
+
+- if ((help = newwin(high, wide, y0, x0)) == 0)
++ if ((help = newwin(high, wide, y0, x0)) == NULL)
+ return;
+- if ((data = newpad(length + 2, width + 1)) == 0) {
++ if ((data = newpad(length + 2, width + 1)) == NULL) {
+ delwin(help);
+ return;
+ }
+Index: test/railroad.c
+Prereq: 1.27
+--- ncurses-6.5-20241130+/test/railroad.c 2024-10-05 19:26:24.000000000 +0000
++++ ncurses-6.5-20241207/test/railroad.c 2024-12-07 22:48:03.000000000 +0000
+@@ -30,7 +30,7 @@
+ /*
+ * Author: Thomas E. Dickey - 2000
+ *
+- * $Id: railroad.c,v 1.27 2024/10/05 19:26:24 tom Exp $
++ * $Id: railroad.c,v 1.28 2024/12/07 22:48:03 tom Exp $
+ *
+ * A simple demo of the termcap interface.
+ */
+@@ -83,13 +83,13 @@
+ static void
+ Backup(void)
+ {
+- tputs(backup != 0 ? backup : "\b", 1, outc);
++ tputs(backup != NULL ? backup : "\b", 1, outc);
+ }
+
+ static void
+ MyShowCursor(int flag)
+ {
+- if (startC != 0 && finisC != 0) {
++ if (startC != NULL && finisC != NULL) {
+ tputs(flag ? startC : finisC, 1, outc);
+ }
+ }
+@@ -97,7 +97,7 @@
+ static void
+ StandOut(int flag)
+ {
+- if (startS != 0 && finisS != 0) {
++ if (startS != NULL && finisS != NULL) {
+ tputs(flag ? startS : finisS, 1, outc);
+ }
+ }
+@@ -105,7 +105,7 @@
+ static void
+ Underline(int flag)
+ {
+- if (startU != 0 && finisU != 0) {
++ if (startU != NULL && finisU != NULL) {
+ tputs(flag ? startU : finisU, 1, outc);
+ }
+ }
+@@ -116,7 +116,7 @@
+ const char *base = string;
+ int first, last;
+
+- if (moveit != 0) {
++ if (moveit != NULL) {
+ tputs(tgoto(moveit, 0, height - 1), 1, outc);
+ tputs(wipeit, 1, outc);
+ }
+@@ -124,7 +124,7 @@
+ while (*string != 0) {
+ int ch = *string;
+ if (ch != ' ') {
+- if (moveit != 0) {
++ if (moveit != NULL) {
+ for (first = length - 2; first >= (string - base); first--) {
+ if (first < length - 1) {
+ tputs(tgoto(moveit, first + 1, height - 1), 1, outc);
+@@ -152,7 +152,7 @@
+ Underline(0);
+ }
+ }
+- if (moveit != 0)
++ if (moveit != NULL)
+ Backup();
+ }
+ StandOut(1);
+@@ -161,7 +161,7 @@
+ fflush(stdout);
+ string++;
+ }
+- if (moveit != 0)
++ if (moveit != NULL)
+ tputs(wipeit, 1, outc);
+ putchar('\n');
+ }
+@@ -190,7 +190,7 @@
+ char area[1024], *ap = area;
+ int z;
+
+- if (name == 0)
++ if (name == NULL)
+ #ifdef EXP_WIN32_DRIVER
+ name = "ms-terminal";
+ #else
+@@ -205,12 +205,12 @@
+ length = tgetnum("co");
+ moveit = tgetstr("cm", &ap);
+
+- if (wipeit == 0
+- || moveit == 0
++ if (wipeit == NULL
++ || moveit == NULL
+ || height <= 0
+ || length <= 0) {
+- wipeit = 0;
+- moveit = 0;
++ wipeit = NULL;
++ moveit = NULL;
+ height = 0;
+ length = 0;
+ }
+@@ -276,7 +276,7 @@
+ } else {
+ static char world[] = "Hello World";
+ static char *hello[] =
+- {world, 0};
++ {world, NULL};
+ railroad(hello);
+ }
+ ExitProgram(EXIT_SUCCESS);
+Index: test/rain.c
+Prereq: 1.62
+--- ncurses-6.5-20241130+/test/rain.c 2024-10-06 21:09:00.000000000 +0000
++++ ncurses-6.5-20241207/test/rain.c 2024-12-07 22:46:42.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: rain.c,v 1.62 2024/10/06 21:09:00 tom Exp $
++ * $Id: rain.c,v 1.63 2024/12/07 22:46:42 tom Exp $
+ */
+ #include <test.priv.h>
+ #include <popup_msg.h>
+@@ -335,7 +335,7 @@
+ " s do single-step",
+ " <space> undo single-step",
+ "",
+- 0
++ NULL
+ };
+
+ bool done = FALSE;
+Index: test/redraw.c
+Prereq: 1.18
+--- ncurses-6.5-20241130+/test/redraw.c 2024-10-06 21:17:54.000000000 +0000
++++ ncurses-6.5-20241207/test/redraw.c 2024-12-07 22:46:42.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: redraw.c,v 1.18 2024/10/06 21:17:54 tom Exp $
++ * $Id: redraw.c,v 1.19 2024/12/07 22:46:42 tom Exp $
+ *
+ * Demonstrate the redrawwin() and wredrawln() functions.
+ * Thomas Dickey - 2006/11/4
+@@ -76,7 +76,7 @@
+ "",
+ "Other control characters are added to the screen in printable form.",
+ "Other printable characters are added to the screen as is.",
+- 0
++ NULL
+ };
+
+ WINDOW *win1;
+Index: test/savescreen.c
+Prereq: 1.66
+--- ncurses-6.5-20241130+/test/savescreen.c 2024-11-30 18:48:40.000000000 +0000
++++ ncurses-6.5-20241207/test/savescreen.c 2024-12-07 22:46:42.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: savescreen.c,v 1.66 2024/11/30 18:48:40 tom Exp $
++ * $Id: savescreen.c,v 1.67 2024/12/07 22:46:42 tom Exp $
+ *
+ * Demonstrate save/restore functions from the curses library.
+ * Thomas Dickey - 2007/7/14
+@@ -89,7 +89,7 @@
+ if (!keep_dumps) {
+ int n;
+
+- for (n = 0; files[n] != 0; ++n) {
++ for (n = 0; files[n] != NULL; ++n) {
+ unlink(files[n]);
+ }
+ }
+@@ -173,7 +173,7 @@
+ NCURSES_CONST char *filename = files[which];
+ bool dumped = FALSE;
+
+- if (filename != 0) {
++ if (filename != NULL) {
+ dumped = TRUE;
+ show_what(color, ++which, last);
+ if (scr_dump(filename) == ERR) {
+@@ -230,7 +230,7 @@
+ " a toggle between '#' and graphic symbol for drawing",
+ " c change color drawn by line to next in palette",
+ " h,j,k,l or arrows to move around the screen, drawing",
+- 0
++ NULL
+ };
+ popup_msg(stdscr, msgs);
+ }
+@@ -247,7 +247,7 @@
+ " q quit",
+ " <space> load the next screen",
+ " <backspace> load the previous screen",
+- 0
++ NULL
+ };
+ popup_msg(stdscr, msgs);
+ }
+@@ -286,7 +286,7 @@
+ bool replaying = FALSE;
+ bool done = FALSE;
+ char **files;
+- NCURSES_CONST char *fill_by = 0;
++ NCURSES_CONST char *fill_by = NULL;
+ #if USE_WIDEC_SUPPORT
+ cchar_t mycc;
+ static const wchar_t mywc[2] =
+@@ -366,7 +366,7 @@
+ * After that, use color pairs for constructing a test-pattern, e.g.,
+ * imitating xterm's scripts.
+ */
+- if (fill_by == 0) {
++ if (fill_by == NULL) {
+ if (COLORS <= 256) {
+ for (n = 0; n < COLORS; ++n)
+ init_pair((short) (n + MAX_ANSI), (short) n, (short) n);
+@@ -407,7 +407,7 @@
+ }
+ #endif
+ }
+- if ((fill_by == 0) && !replaying) {
++ if ((fill_by == NULL) && !replaying) {
+ #if USE_WIDEC_SUPPORT
+ int cube = 0;
+ #endif
+@@ -484,9 +484,9 @@
+ }
+ }
+
+- if (fill_by != 0) {
++ if (fill_by != NULL) {
+ FILE *fp = fopen(fill_by, "r");
+- if (fp != 0) {
++ if (fp != NULL) {
+ bool filled = FALSE;
+ move(1, 0);
+ while ((ch = fgetc(fp)) != EOF) {
+@@ -577,7 +577,7 @@
+ int x = 0;
+ int color = 0;
+ int altchars = 0;
+- bool dirty = use_colors || (fill_by != 0);
++ bool dirty = use_colors || (fill_by != NULL);
+
+ while (!done) {
+ switch (get_command(color, which, last)) {
+Index: test/sp_tinfo.c
+Prereq: 1.29
+--- ncurses-6.5-20241130+/test/sp_tinfo.c 2023-06-24 14:14:56.000000000 +0000
++++ ncurses-6.5-20241207/test/sp_tinfo.c 2024-12-07 23:03:07.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2019-2022,2023 Thomas E. Dickey *
++ * Copyright 2019-2023,2024 Thomas E. Dickey *
+ * Copyright 2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -28,7 +28,7 @@
+ ****************************************************************************/
+
+ /*
+- * $Id: sp_tinfo.c,v 1.29 2023/06/24 14:14:56 tom Exp $
++ * $Id: sp_tinfo.c,v 1.30 2024/12/07 23:03:07 tom Exp $
+ *
+ * TOTO: add option for non-sp-funcs interface
+ */
+@@ -138,7 +138,7 @@
+ show_string(MYDATA * data, const char *name, const char *value)
+ {
+ fprintf(data->fp, " %s = ", name);
+- if (value == 0) {
++ if (value == NULL) {
+ fprintf(data->fp, "(missing)");
+ } else if (value == (char *) -1) {
+ fprintf(data->fp, "(canceled)");
+@@ -218,7 +218,7 @@
+ define_key_sp(sp, my_text, my_code);
+ has_key_sp(sp, 0);
+ key_defined_sp(sp, my_text);
+- if ((s = keybound_sp(sp, my_code, 0)) != 0)
++ if ((s = keybound_sp(sp, my_code, 0)) != NULL)
+ free(s);
+ #endif
+ keyname_sp(sp, '?');
+@@ -240,7 +240,7 @@
+ typeahead_sp(sp, FALSE); /* waddch */
+ use_env_sp(sp, FALSE); /* newterm */
+ use_tioctl_sp(sp, FALSE); /* newterm */
+- intrflush_sp(sp, 0, 0); /* wgetch */
++ intrflush_sp(sp, NULL, 0); /* wgetch */
+ flushinp_sp(sp); /* waddch */
+ halfdelay_sp(sp, 5); /* wgetch */
+
+Index: test/tclock.c
+Prereq: 1.49
+--- ncurses-6.5-20241130+/test/tclock.c 2024-10-05 18:47:56.000000000 +0000
++++ ncurses-6.5-20241207/test/tclock.c 2024-12-07 22:46:42.000000000 +0000
+@@ -1,4 +1,4 @@
+-/* $Id: tclock.c,v 1.49 2024/10/05 18:47:56 tom Exp $ */
++/* $Id: tclock.c,v 1.50 2024/12/07 22:46:42 tom Exp $ */
+
+ #define NEED_TIME_H
+ #include <test.priv.h>
+@@ -220,7 +220,7 @@
+ for (;;) {
+ napms(100);
+
+- tim = time(0);
++ tim = time(NULL);
+ t = localtime(&tim);
+
+ hours = (t->tm_hour + (t->tm_min / 60.0));
+Index: test/test_add_wchstr.c
+Prereq: 1.35
+--- ncurses-6.5-20241130+/test/test_add_wchstr.c 2024-10-05 19:26:24.000000000 +0000
++++ ncurses-6.5-20241207/test/test_add_wchstr.c 2024-12-07 22:41:11.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: test_add_wchstr.c,v 1.35 2024/10/05 19:26:24 tom Exp $
++ * $Id: test_add_wchstr.c,v 1.36 2024/12/07 22:41:11 tom Exp $
+ *
+ * Demonstrate the waddwchstr() and wadd_wch functions.
+ * Thomas Dickey - 2009/9/12
+@@ -88,7 +88,7 @@
+ static size_t temp_length;
+
+ #define TempBuffer(source_len, source_cast) \
+- if (source != 0) { \
++ if (source != NULL) { \
+ const char *temp; \
+ size_t need = source_len + 1; \
+ wchar_t have[2]; \
+@@ -107,7 +107,7 @@
+ if (!pass_ctls \
+ && have[0] != 0 \
+ && have[0] < 256 \
+- && (temp = unctrl((chtype) have[0])) != 0 \
++ && (temp = unctrl((chtype) have[0])) != NULL \
+ && strlen(temp) > 1) { \
+ while (*temp != '\0') { \
+ have[0] = (wchar_t) *temp++; \
+@@ -117,9 +117,9 @@
+ setcchar(&temp_buffer[n++], have, A_NORMAL, 0, NULL); \
+ } \
+ } while (have[0] != 0); \
+- } else if (temp_buffer != 0) { \
++ } else if (temp_buffer != NULL) { \
+ free(temp_buffer); \
+- temp_buffer = 0; \
++ temp_buffer = NULL; \
+ temp_length = 0; \
+ } \
+ return temp_buffer;
+@@ -136,7 +136,7 @@
+ for (n = 0; source[n] != 0; ++n) {
+ const char *s;
+
+- if ((source[n] < 256) && (s = unctrl((chtype) source[n])) != 0) {
++ if ((source[n] < 256) && (s = unctrl((chtype) source[n])) != NULL) {
+ adjust += (strlen(s) - 1);
+ }
+ }
+@@ -310,9 +310,9 @@
+ int row2, col2;
+ int length;
+ wchar_t buffer[BUFSIZ];
+- WINDOW *look = 0;
+- WINDOW *work = 0;
+- WINDOW *show = 0;
++ WINDOW *look = NULL;
++ WINDOW *work = NULL;
++ WINDOW *show = NULL;
+ int margin = (2 * MY_TABSIZE) - 1;
+ Options option = (Options) ((unsigned) (m_opt
+ ? oMove
+Index: test/test_addchstr.c
+Prereq: 1.30
+--- ncurses-6.5-20241130+/test/test_addchstr.c 2024-10-05 19:26:24.000000000 +0000
++++ ncurses-6.5-20241207/test/test_addchstr.c 2024-12-07 22:41:11.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: test_addchstr.c,v 1.30 2024/10/05 19:26:24 tom Exp $
++ * $Id: test_addchstr.c,v 1.31 2024/12/07 22:41:11 tom Exp $
+ *
+ * Demonstrate the waddchstr() and waddch functions.
+ * Thomas Dickey - 2009/9/12
+@@ -82,7 +82,7 @@
+
+ for (n = 0; n < result; ++n) {
+ const char *s = unctrl(UChar(source[n]));
+- if (s != 0) {
++ if (s != NULL) {
+ adjust += (strlen(s) - 1);
+ }
+ }
+@@ -94,7 +94,7 @@
+ static chtype *
+ ChStr(const char *source)
+ {
+- if (source != 0) {
++ if (source != NULL) {
+ size_t need = ChLen(source) + 1;
+ int n = 0;
+
+@@ -107,7 +107,7 @@
+ do {
+ const char *s;
+ chtype ch = UChar(*source++);
+- if (!pass_ctls && (s = unctrl(ch)) != 0) {
++ if (!pass_ctls && (s = unctrl(ch)) != NULL) {
+ while (*s != '\0') {
+ temp_buffer[n++] = UChar(*s++);
+ }
+@@ -116,9 +116,9 @@
+ }
+ } while (source[0] != 0);
+ temp_buffer[n] = 0;
+- } else if (temp_buffer != 0) {
++ } else if (temp_buffer != NULL) {
+ free(temp_buffer);
+- temp_buffer = 0;
++ temp_buffer = NULL;
+ temp_length = 0;
+ }
+ return temp_buffer;
+@@ -218,9 +218,9 @@
+ int row2, col2;
+ int length;
+ char buffer[BUFSIZ];
+- WINDOW *look = 0;
+- WINDOW *work = 0;
+- WINDOW *show = 0;
++ WINDOW *look = NULL;
++ WINDOW *work = NULL;
++ WINDOW *show = NULL;
+ int margin = (2 * MY_TABSIZE) - 1;
+ Options option = (Options) ((unsigned) (m_opt
+ ? oMove
+Index: test/test_addstr.c
+Prereq: 1.21
+--- ncurses-6.5-20241130+/test/test_addstr.c 2024-10-05 19:27:33.000000000 +0000
++++ ncurses-6.5-20241207/test/test_addstr.c 2024-12-07 22:41:11.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: test_addstr.c,v 1.21 2024/10/05 19:27:33 tom Exp $
++ * $Id: test_addstr.c,v 1.22 2024/12/07 22:41:11 tom Exp $
+ *
+ * Demonstrate the waddstr() and waddch functions.
+ * Thomas Dickey - 2009/9/12
+@@ -140,9 +140,9 @@
+ int row2, col2;
+ int length;
+ char buffer[BUFSIZ];
+- WINDOW *look = 0;
+- WINDOW *work = 0;
+- WINDOW *show = 0;
++ WINDOW *look = NULL;
++ WINDOW *work = NULL;
++ WINDOW *show = NULL;
+ int margin = (2 * MY_TABSIZE) - 1;
+ Options option = (Options) ((unsigned) (m_opt
+ ? oMove
+Index: test/test_addwstr.c
+Prereq: 1.23
+--- ncurses-6.5-20241130+/test/test_addwstr.c 2024-10-05 19:27:33.000000000 +0000
++++ ncurses-6.5-20241207/test/test_addwstr.c 2024-12-07 22:41:11.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: test_addwstr.c,v 1.23 2024/10/05 19:27:33 tom Exp $
++ * $Id: test_addwstr.c,v 1.24 2024/12/07 22:41:11 tom Exp $
+ *
+ * Demonstrate the waddwstr() and wadd_wch functions.
+ * Thomas Dickey - 2009/9/12
+@@ -233,9 +233,9 @@
+ int row2, col2;
+ int length;
+ wchar_t buffer[BUFSIZ];
+- WINDOW *look = 0;
+- WINDOW *work = 0;
+- WINDOW *show = 0;
++ WINDOW *look = NULL;
++ WINDOW *work = NULL;
++ WINDOW *show = NULL;
+ int margin = (2 * MY_TABSIZE) - 1;
+ Options option = (Options) ((unsigned) (m_opt
+ ? oMove
+Index: test/test_arrays.c
+Prereq: 1.14
+--- ncurses-6.5-20241130+/test/test_arrays.c 2024-11-30 17:00:55.000000000 +0000
++++ ncurses-6.5-20241207/test/test_arrays.c 2024-12-07 22:46:42.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: test_arrays.c,v 1.14 2024/11/30 17:00:55 tom Exp $
++ * $Id: test_arrays.c,v 1.15 2024/12/07 22:46:42 tom Exp $
+ *
+ * Author: Thomas E Dickey
+ *
+@@ -66,7 +66,7 @@
+ int n;
+
+ printf("%s:\n", name);
+- for (n = 0; list[n] != 0; ++n) {
++ for (n = 0; list[n] != NULL; ++n) {
+ printf("%5d:%s\n", n, list[n]);
+ }
+ }
+Index: test/test_get_wstr.c
+Prereq: 1.16
+--- ncurses-6.5-20241130+/test/test_get_wstr.c 2024-10-06 23:15:10.000000000 +0000
++++ ncurses-6.5-20241207/test/test_get_wstr.c 2024-12-07 22:46:42.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: test_get_wstr.c,v 1.16 2024/10/06 23:15:10 tom Exp $
++ * $Id: test_get_wstr.c,v 1.17 2024/12/07 22:46:42 tom Exp $
+ *
+ * Author: Thomas E Dickey
+ *
+@@ -158,10 +158,10 @@
+ "",
+ " w - recur to subwindow",
+ " ?,<F1> - show help-screen",
+- 0
++ NULL
+ };
+- WINDOW *txtbox = 0;
+- WINDOW *txtwin = 0;
++ WINDOW *txtbox = NULL;
++ WINDOW *txtwin = NULL;
+ FILE *fp;
+ int ch;
+ int rc;
+@@ -172,7 +172,7 @@
+ int actual;
+ wint_t buffer[MAX_COLS];
+
+- if (argv[level] == 0) {
++ if (argv[level] == NULL) {
+ beep();
+ return FALSE;
+ }
+@@ -200,7 +200,7 @@
+ txt_x = 0;
+ wmove(txtwin, txt_y, txt_x);
+
+- if ((fp = fopen(argv[level], "r")) != 0) {
++ if ((fp = fopen(argv[level], "r")) != NULL) {
+ while ((ch = fgetc(fp)) != EOF) {
+ if (waddch(txtwin, UChar(ch)) != OK) {
+ break;
+@@ -250,7 +250,7 @@
+
+ case 'w':
+ recursive_test(level + 1, argv, strwin);
+- if (txtbox != 0) {
++ if (txtbox != NULL) {
+ touchwin(txtbox);
+ wnoutrefresh(txtbox);
+ } else {
+Index: test/test_getstr.c
+Prereq: 1.19
+--- ncurses-6.5-20241130+/test/test_getstr.c 2024-10-06 22:36:46.000000000 +0000
++++ ncurses-6.5-20241207/test/test_getstr.c 2024-12-07 22:46:42.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: test_getstr.c,v 1.19 2024/10/06 22:36:46 tom Exp $
++ * $Id: test_getstr.c,v 1.20 2024/12/07 22:46:42 tom Exp $
+ *
+ * Author: Thomas E Dickey
+ *
+@@ -165,10 +165,10 @@
+ "",
+ " w - recur to subwindow",
+ " ?,<F1> - show help-screen",
+- 0
++ NULL
+ };
+- WINDOW *txtbox = 0;
+- WINDOW *txtwin = 0;
++ WINDOW *txtbox = NULL;
++ WINDOW *txtwin = NULL;
+ FILE *fp;
+ int ch;
+ int rc;
+@@ -180,7 +180,7 @@
+
+ char buffer[MAX_COLS];
+
+- if (argv[level] == 0) {
++ if (argv[level] == NULL) {
+ beep();
+ return FALSE;
+ }
+@@ -208,7 +208,7 @@
+ txt_x = 0;
+ wmove(txtwin, txt_y, txt_x);
+
+- if ((fp = fopen(argv[level], "r")) != 0) {
++ if ((fp = fopen(argv[level], "r")) != NULL) {
+ while ((ch = fgetc(fp)) != EOF) {
+ if (waddch(txtwin, UChar(ch)) != OK) {
+ break;
+@@ -258,7 +258,7 @@
+
+ case 'w':
+ recursive_test(level + 1, argv, strwin);
+- if (txtbox != 0) {
++ if (txtbox != NULL) {
+ touchwin(txtbox);
+ wnoutrefresh(txtbox);
+ } else {
+Index: test/test_instr.c
+Prereq: 1.15
+--- ncurses-6.5-20241130+/test/test_instr.c 2024-10-06 21:11:54.000000000 +0000
++++ ncurses-6.5-20241207/test/test_instr.c 2024-12-07 22:46:42.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: test_instr.c,v 1.15 2024/10/06 21:11:54 tom Exp $
++ * $Id: test_instr.c,v 1.16 2024/12/07 22:46:42 tom Exp $
+ *
+ * Author: Thomas E Dickey
+ *
+@@ -83,7 +83,7 @@
+ ,"w opens new window on the next filename."
+ ,"q quits the current file/window."
+ ,"? shows this help-window"
+- ,0
++ ,NULL
+ };
+
+ popup_msg(win, msgs);
+@@ -92,8 +92,8 @@
+ static int
+ recursive_test(int level, char **argv, WINDOW *chrwin, WINDOW *strwin)
+ {
+- WINDOW *txtbox = 0;
+- WINDOW *txtwin = 0;
++ WINDOW *txtbox = NULL;
++ WINDOW *txtwin = NULL;
+ FILE *fp;
+ int ch;
+ int txt_x = 0, txt_y = 0;
+@@ -102,7 +102,7 @@
+
+ char buffer[MAX_COLS];
+
+- if (argv[level] == 0) {
++ if (argv[level] == NULL) {
+ beep();
+ return FALSE;
+ }
+@@ -131,7 +131,7 @@
+ txt_x = 0;
+ wmove(txtwin, txt_y, txt_x);
+
+- if ((fp = fopen(argv[level], "r")) != 0) {
++ if ((fp = fopen(argv[level], "r")) != NULL) {
+ while ((ch = fgetc(fp)) != EOF) {
+ if (waddch(txtwin, UChar(ch)) != OK) {
+ break;
+@@ -174,7 +174,7 @@
+ break;
+ case 'w':
+ recursive_test(level + 1, argv, chrwin, strwin);
+- if (txtbox != 0) {
++ if (txtbox != NULL) {
+ touchwin(txtbox);
+ wnoutrefresh(txtbox);
+ } else {
+Index: test/test_inwstr.c
+Prereq: 1.11
+--- ncurses-6.5-20241130+/test/test_inwstr.c 2024-10-06 23:15:38.000000000 +0000
++++ ncurses-6.5-20241207/test/test_inwstr.c 2024-12-07 22:46:42.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: test_inwstr.c,v 1.11 2024/10/06 23:15:38 tom Exp $
++ * $Id: test_inwstr.c,v 1.12 2024/12/07 22:46:42 tom Exp $
+ *
+ * Author: Thomas E Dickey
+ *
+@@ -86,7 +86,7 @@
+ ,"w opens new window on the next filename."
+ ,"q quits the current file/window."
+ ,"? shows this help-window"
+- ,0
++ ,NULL
+ };
+
+ popup_msg(win, msgs);
+@@ -95,8 +95,8 @@
+ static int
+ recursive_test(int level, char **argv, WINDOW *chrwin, WINDOW *strwin)
+ {
+- WINDOW *txtbox = 0;
+- WINDOW *txtwin = 0;
++ WINDOW *txtbox = NULL;
++ WINDOW *txtwin = NULL;
+ FILE *fp;
+ int ch;
+ int txt_x = 0, txt_y = 0;
+@@ -104,7 +104,7 @@
+ int limit = getmaxx(strwin) - 5;
+ wchar_t buffer[MAX_COLS];
+
+- if (argv[level] == 0) {
++ if (argv[level] == NULL) {
+ beep();
+ return FALSE;
+ }
+@@ -132,7 +132,7 @@
+ txt_x = 0;
+ wmove(txtwin, txt_y, txt_x);
+
+- if ((fp = fopen(argv[level], "r")) != 0) {
++ if ((fp = fopen(argv[level], "r")) != NULL) {
+ while ((ch = fgetc(fp)) != EOF) {
+ if (waddch(txtwin, UChar(ch)) != OK) {
+ break;
+@@ -175,7 +175,7 @@
+ break;
+ case 'w':
+ recursive_test(level + 1, argv, chrwin, strwin);
+- if (txtbox != 0) {
++ if (txtbox != NULL) {
+ touchwin(txtbox);
+ wnoutrefresh(txtbox);
+ } else {
+Index: test/test_opaque.c
+Prereq: 1.17
+--- ncurses-6.5-20241130+/test/test_opaque.c 2024-11-23 19:10:23.000000000 +0000
++++ ncurses-6.5-20241207/test/test_opaque.c 2024-12-07 22:46:42.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: test_opaque.c,v 1.17 2024/11/23 19:10:23 tom Exp $
++ * $Id: test_opaque.c,v 1.18 2024/12/07 22:46:42 tom Exp $
+ *
+ * Author: Thomas E Dickey
+ *
+@@ -269,8 +269,8 @@
+ static int
+ test_opaque(int level, char **argv, WINDOW *stswin)
+ {
+- WINDOW *txtbox = 0;
+- WINDOW *txtwin = 0;
++ WINDOW *txtbox = NULL;
++ WINDOW *txtwin = NULL;
+ FILE *fp;
+ int ch;
+ int txt_x = 0, txt_y = 0;
+@@ -278,7 +278,7 @@
+ bool in_status = FALSE;
+ int active = 0;
+
+- if (argv[level] == 0) {
++ if (argv[level] == NULL) {
+ beep();
+ return FALSE;
+ }
+@@ -306,7 +306,7 @@
+ txt_x = 0;
+ wmove(txtwin, txt_y, txt_x);
+
+- if ((fp = fopen(argv[level], "r")) != 0) {
++ if ((fp = fopen(argv[level], "r")) != NULL) {
+ while ((ch = fgetc(fp)) != EOF) {
+ if (waddch(txtwin, UChar(ch)) != OK) {
+ break;
+@@ -393,7 +393,7 @@
+ break;
+ case 'w':
+ test_opaque(level + 1, argv, stswin);
+- if (txtbox != 0) {
++ if (txtbox != NULL) {
+ touchwin(txtbox);
+ wnoutrefresh(txtbox);
+ } else {
+Index: test/test_setupterm.c
+Prereq: 1.17
+--- ncurses-6.5-20241130+/test/test_setupterm.c 2023-06-24 14:19:52.000000000 +0000
++++ ncurses-6.5-20241207/test/test_setupterm.c 2024-12-07 23:03:07.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020-2022,2023 Thomas E. Dickey *
++ * Copyright 2020-2023,2024 Thomas E. Dickey *
+ * Copyright 2015,2016 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -30,7 +30,7 @@
+ /*
+ * Author: Thomas E. Dickey
+ *
+- * $Id: test_setupterm.c,v 1.17 2023/06/24 14:19:52 tom Exp $
++ * $Id: test_setupterm.c,v 1.18 2024/12/07 23:03:07 tom Exp $
+ *
+ * A simple demo of setupterm/restartterm.
+ */
+@@ -98,9 +98,9 @@
+ int expect_rc = -1;
+ int expect_err = -1;
+
+- if (name == 0)
++ if (name == NULL)
+ name = getenv("TERM");
+- if (name == 0)
++ if (name == NULL)
+ name = "?";
+
+ switch (*name) {
+@@ -244,7 +244,7 @@
+ }
+
+ if (a_opt) {
+- static char predef[][9] =
++ static char predef[][12] =
+ {"vt100", "dumb", "lpr", "unknown", "none-such"};
+ if (optind < argc) {
+ usage(FALSE);
+Index: test/test_sgr.c
+Prereq: 1.25
+--- ncurses-6.5-20241130+/test/test_sgr.c 2024-10-06 21:05:50.000000000 +0000
++++ ncurses-6.5-20241207/test/test_sgr.c 2024-12-07 22:48:21.000000000 +0000
+@@ -30,7 +30,7 @@
+ /*
+ * Author: Thomas E. Dickey
+ *
+- * $Id: test_sgr.c,v 1.25 2024/10/06 21:05:50 tom Exp $
++ * $Id: test_sgr.c,v 1.26 2024/12/07 22:48:21 tom Exp $
+ *
+ * A simple demo of the sgr/sgr0 terminal capabilities.
+ */
+@@ -106,10 +106,10 @@
+ static char *
+ next_dbitem(void)
+ {
+- char *result = 0;
++ char *result = NULL;
+
+ if (db_list) {
+- if ((result = db_list[db_item]) == 0) {
++ if ((result = db_list[db_item]) == NULL) {
+ db_item = 0;
+ result = db_list[0];
+ } else {
+@@ -129,7 +129,7 @@
+ for (n = 0; db_list[n]; ++n)
+ free(db_list[n]);
+ free(db_list);
+- db_list = 0;
++ db_list = NULL;
+ }
+ }
+ #endif
+@@ -230,20 +230,20 @@
+ BITS2P(7),
+ BITS2P(8),
+ BITS2P(9));
+- if (values[count] != 0) {
++ if (values[count] != NULL) {
+ values[count] = strdup(values[count]);
+ }
+ }
+ for (count = 0; count < MAXSGR; ++count) {
+- if (values[count] != 0) {
++ if (values[count] != NULL) {
+ for (j = count + 1; j < MAXSGR; ++j) {
+- if (values[j] == 0)
++ if (values[j] == NULL)
+ continue;
+ if (strcmp(values[count], values[j]))
+ continue;
+ if (one_bit(count, j)) {
+ free(values[j]);
+- values[j] = 0;
++ values[j] = NULL;
+ }
+ }
+ }
+@@ -253,7 +253,7 @@
+ for (count = 0; count < MAXSGR; ++count) {
+ if ((count & mask) != 0)
+ continue;
+- if (values[count] != 0 && values[count + mask] != 0) {
++ if (values[count] != NULL && values[count + mask] != NULL) {
+ mask = 0;
+ break;
+ }
+@@ -272,14 +272,14 @@
+ }
+ }
+ for (count = 0; count < MAXSGR; ++count) {
+- if (values[count] != 0) {
++ if (values[count] != NULL) {
+ bool found = FALSE;
+ if ((repeat & MASK_SMSO) != 0
+ && (count & MASK_SMSO) != 0) {
+ found = TRUE;
+ } else {
+ for (j = 0; j < count; ++j) {
+- if (values[j] != 0 && !strcmp(values[j], values[count])) {
++ if (values[j] != NULL && !strcmp(values[j], values[count])) {
+ if ((repeat & MASK_SMSO) != 0
+ && (j & MASK_SMSO) != 0
+ && (count & reason) != 0) {
+@@ -366,7 +366,7 @@
+ for (n = optind; n < argc; ++n) {
+ brute_force(argv[n]);
+ }
+- } else if ((name = getenv("TERM")) != 0) {
++ } else if ((name = getenv("TERM")) != NULL) {
+ brute_force(name);
+ } else {
+ static const char dumb[] = "dumb";
+Index: test/test_tparm.c
+Prereq: 1.42
+--- ncurses-6.5-20241130+/test/test_tparm.c 2024-10-06 20:50:27.000000000 +0000
++++ ncurses-6.5-20241207/test/test_tparm.c 2024-12-07 23:13:34.000000000 +0000
+@@ -29,7 +29,7 @@
+ /*
+ * Author: Thomas E. Dickey
+ *
+- * $Id: test_tparm.c,v 1.42 2024/10/06 20:50:27 tom Exp $
++ * $Id: test_tparm.c,v 1.43 2024/12/07 23:13:34 tom Exp $
+ *
+ * Exercise tparm/tiparm, either for all possible capabilities with fixed
+ * parameters, or one capability with specific combinations of parameters.
+@@ -52,7 +52,7 @@
+ if (length + 2 >= limit) { \
+ limit *= 2; \
+ array = typeRealloc(char *, limit, array); \
+- if (array == 0) { \
++ if (array == NULL) { \
+ failed("no memory: " #array); \
+ } \
+ }
+@@ -109,9 +109,9 @@
+ static int
+ isNumeric(NCURSES_CONST char *source)
+ {
+- char *next = 0;
++ char *next = NULL;
+ long value = strtol(source, &next, 0);
+- int result = (next == 0 || next == source || *next != '\0') ? 0 : 1;
++ int result = (next == NULL || next == source || *next != '\0') ? 0 : 1;
+ (void) value;
+ return result;
+ }
+@@ -121,10 +121,10 @@
+ {
+ int code = 1;
+ if (VALID_STRING(value)) {
+- if (strstr(value, "%p") == 0
+- && strstr(value, "%d") == 0
+- && strstr(value, "%s") == 0
+- && (!p_opt || strstr(value, "$<") == 0)) {
++ if (strstr(value, "%p") == NULL
++ && strstr(value, "%d") == NULL
++ && strstr(value, "%s") == NULL
++ && (!p_opt || strstr(value, "$<") == NULL)) {
+ if (v_opt > 2)
+ printf("? %s noparams\n", name);
+ code = 0;
+@@ -334,7 +334,7 @@
+ }
+ if (v_opt > 1) {
+ int n;
+- printf(".. %3d =", result != 0 ? (int) strlen(result) : -1);
++ printf(".. %3d =", result != NULL ? (int) strlen(result) : -1);
+ for (n = 0; n < nparam; ++n) {
+ if (use_strings[n]) {
+ if (number[n]) {
+@@ -398,7 +398,7 @@
+ int r_run, t_run, n_run;
+ char *old_term = getenv("TERM");
+ int r_opt = 1;
+- char *t_opt = 0;
++ char *t_opt = NULL;
+
+ int std_caps = 0; /* predefine items in all_caps[] */
+ int len_caps = 0; /* cur # of items in all_caps[] */
+@@ -423,7 +423,10 @@
+ char **str_parms = typeCalloc(char *, max_parms);
+ long use_parms = 1;
+
+- if (all_caps == 0 || all_terms == 0 || num_parms == 0 || str_parms == 0)
++ if (all_caps == NULL
++ || all_terms == NULL
++ || num_parms == NULL
++ || str_parms == NULL)
+ failed("no memory");
+
+ while ((ch = getopt(argc, argv, OPTS_COMMON "T:aipr:sv")) != -1) {
+@@ -479,7 +482,7 @@
+ */
+ while (optind < argc) {
+ if (isNumeric(argv[optind])) {
+- char *dummy = 0;
++ char *dummy = NULL;
+ long value = strtol(argv[optind], &dummy, 0);
+ num_parms[len_parms] = (int) value;
+ }
+@@ -504,11 +507,11 @@
+ * Make a list of values for $TERM. Accept "-" for standard input to
+ * simplify scripting a check of the whole database.
+ */
+- old_term = strdup((old_term == 0) ? "unknown" : old_term);
+- if (t_opt != 0) {
++ old_term = strdup((old_term == NULL) ? "unknown" : old_term);
++ if (t_opt != NULL) {
+ if (!strcmp(t_opt, "-")) {
+ char buffer[BUFSIZ];
+- while (fgets(buffer, sizeof(buffer) - 1, stdin) != 0) {
++ while (fgets(buffer, sizeof(buffer) - 1, stdin) != NULL) {
+ char *s = buffer;
+ char *t;
+ while (isspace(UChar(s[0])))
+@@ -520,7 +523,7 @@
+ if (len_terms + 2 >= max_terms) {
+ max_terms *= 2;
+ all_terms = typeRealloc(char *, max_terms, all_terms);
+- if (all_terms == 0)
++ if (all_terms == NULL)
+ failed("no memory: all_terms");
+ }
+ all_terms[len_terms++] = s;
+@@ -528,12 +531,12 @@
+ } else {
+ char *s = t_opt;
+ NCURSES_CONST char *t;
+- while ((t = strtok(s, ",")) != 0) {
+- s = 0;
++ while ((t = strtok(s, ",")) != NULL) {
++ s = NULL;
+ if (len_terms + 2 >= max_terms) {
+ max_terms *= 2;
+ all_terms = typeRealloc(char *, max_terms, all_terms);
+- if (all_terms == 0)
++ if (all_terms == NULL)
+ failed("no memory: all_terms");
+ }
+ all_terms[len_terms++] = strdup(t);
+@@ -542,7 +545,7 @@
+ } else {
+ all_terms[len_terms++] = strdup(old_term);
+ }
+- all_terms[len_terms] = 0;
++ all_terms[len_terms] = NULL;
+ if (v_opt) {
+ printf("%d term%s:\n", PLURAL(len_terms));
+ if (v_opt > 3) {
+@@ -561,7 +564,7 @@
+ */
+ if (len_caps == 0) {
+ #if defined(HAVE_CURSES_DATA_BOOLNAMES) || defined(DECL_CURSES_DATA_BOOLNAMES)
+- for (n = 0; strnames[n] != 0; ++n) {
++ for (n = 0; strnames[n] != NULL; ++n) {
+ GrowArray(all_caps, max_caps, len_caps);
+ all_caps[len_caps++] = strdup(strnames[n]);
+ }
+@@ -571,7 +574,7 @@
+ #endif
+ }
+ std_caps = len_caps;
+- all_caps[len_caps] = 0;
++ all_caps[len_caps] = NULL;
+ if (v_opt) {
+ printf("%d name%s%s\n", PLURAL(len_caps), COLONS(len_caps));
+ if (v_opt > 3) {
+@@ -664,7 +667,7 @@
+ free(all_caps[n]);
+ }
+ #endif
+- if (cur_term != 0) {
++ if (cur_term != NULL) {
+ del_curterm(cur_term);
+ } else {
+ printf("? no cur_term\n");
+Index: test/test_vid_puts.c
+Prereq: 1.17
+--- ncurses-6.5-20241130+/test/test_vid_puts.c 2022-12-10 22:28:50.000000000 +0000
++++ ncurses-6.5-20241207/test/test_vid_puts.c 2024-12-07 23:03:19.000000000 +0000
+@@ -1,5 +1,5 @@
+ /****************************************************************************
+- * Copyright 2020-2021,2022 Thomas E. Dickey *
++ * Copyright 2020-2022,2024 Thomas E. Dickey *
+ * Copyright 2013-2014,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: test_vid_puts.c,v 1.17 2022/12/10 22:28:50 tom Exp $
++ * $Id: test_vid_puts.c,v 1.18 2024/12/07 23:03:19 tom Exp $
+ *
+ * Demonstrate the vid_puts and vid_attr functions.
+ * Thomas Dickey - 2013/01/12
+@@ -63,7 +63,7 @@
+ static void
+ cleanup(void)
+ {
+- if (cur_term != 0) {
++ if (cur_term != NULL) {
+ outs(exit_attribute_mode);
+ if (!outs(orig_colors))
+ outs(orig_pair);
+Index: test/test_vidputs.c
+Prereq: 1.16
+--- ncurses-6.5-20241130+/test/test_vidputs.c 2024-10-06 21:17:54.000000000 +0000
++++ ncurses-6.5-20241207/test/test_vidputs.c 2024-12-07 22:53:07.000000000 +0000
+@@ -27,7 +27,7 @@
+ * authorization. *
+ ****************************************************************************/
+ /*
+- * $Id: test_vidputs.c,v 1.16 2024/10/06 21:17:54 tom Exp $
++ * $Id: test_vidputs.c,v 1.17 2024/12/07 22:53:07 tom Exp $
+ *
+ * Demonstrate the vidputs and vidattr functions.
+ * Thomas Dickey - 2013/01/12
+@@ -63,7 +63,7 @@
+ static void
+ cleanup(void)
+ {
+- if (cur_term != 0) {
++ if (cur_term != NULL) {
+ outs(exit_attribute_mode);
+ if (!outs(orig_colors))
+ outs(orig_pair);
+Index: test/testcurs.c
+Prereq: 1.59
+--- ncurses-6.5-20241130+/test/testcurs.c 2024-10-05 19:17:19.000000000 +0000
++++ ncurses-6.5-20241207/test/testcurs.c 2024-12-07 22:53:07.000000000 +0000
+@@ -6,7 +6,7 @@
+ * wrs(5/28/93) -- modified to be consistent (perform identically) with either
+ * PDCurses or under Unix System V, R4
+ *
+- * $Id: testcurs.c,v 1.59 2024/10/05 19:17:19 tom Exp $
++ * $Id: testcurs.c,v 1.60 2024/12/07 22:53:07 tom Exp $
+ */
+
+ #include <test.priv.h>
+@@ -488,14 +488,14 @@
+ *Buffer = 0;
+ scanw("%s", Buffer);
+
+- if (TIGETSTR("cvvis", "vs") != 0) {
++ if (TIGETSTR("cvvis", "vs") != NULL) {
+ wclear(win);
+ curs_set(2);
+ MvWAddStr(win, 1, 1, "The cursor should appear as a block (visible)");
+ Continue(win);
+ }
+
+- if (TIGETSTR("civis", "vi") != 0) {
++ if (TIGETSTR("civis", "vi") != NULL) {
+ wclear(win);
+ curs_set(0);
+ MvWAddStr(win, 1, 1,
+@@ -503,7 +503,7 @@
+ Continue(win);
+ }
+
+- if (TIGETSTR("cnorm", "ve") != 0) {
++ if (TIGETSTR("cnorm", "ve") != NULL) {
+ wclear(win);
+ curs_set(1);
+ MvWAddStr(win, 1, 1, "The cursor should be an underline (normal)");
+@@ -592,7 +592,7 @@
+ {
+ WINDOW *pad;
+
+- if ((pad = newpad(50, 100)) != 0) {
++ if ((pad = newpad(50, 100)) != NULL) {
+ WINDOW *spad;
+
+ wattron(pad, A_REVERSE);
+@@ -609,7 +609,7 @@
+ raw();
+ wgetch(pad);
+
+- if ((spad = subpad(pad, 12, 25, 6, 52)) != 0) {
++ if ((spad = subpad(pad, 12, 25, 6, 52)) != NULL) {
+ MvWAddStr(spad, 2, 2, "This is a new subpad");
+ box(spad, 0, 0);
+ delwin(spad);
+Index: test/view.c
+Prereq: 1.149
+--- ncurses-6.5-20241130+/test/view.c 2024-11-30 18:15:06.000000000 +0000
++++ ncurses-6.5-20241207/test/view.c 2024-12-07 22:53:07.000000000 +0000
+@@ -52,7 +52,7 @@
+ * scroll operation worked, and the refresh() code only had to do a
+ * partial repaint.
+ *
+- * $Id: view.c,v 1.149 2024/11/30 18:15:06 tom Exp $
++ * $Id: view.c,v 1.150 2024/12/07 22:53:07 tom Exp $
+ */
+
+ #include <test.priv.h>
+@@ -114,7 +114,7 @@
+ {
+ endwin();
+ #if NO_LEAKS
+- if (vec_lines != 0) {
++ if (vec_lines != NULL) {
+ int n;
+ for (n = 0; n < num_lines; ++n) {
+ free(vec_lines[n]);
+@@ -172,7 +172,7 @@
+ move(i, 0);
+ printw("%*d:", digits, actual);
+ clrtoeol();
+- if ((s = lptr[i - 1]) == 0) {
++ if ((s = lptr[i - 1]) == NULL) {
+ continue;
+ }
+ len = ch_len(s);
+@@ -233,7 +233,7 @@
+ size_t len;
+ struct stat sb;
+ char *my_blob;
+- char **my_vec = 0;
++ char **my_vec = NULL;
+ WINDOW *my_win;
+
+ if (stat(filename, &sb) != 0
+@@ -245,11 +245,11 @@
+ failed("input is empty");
+ }
+
+- if ((fp = fopen(filename, "r")) == 0) {
++ if ((fp = fopen(filename, "r")) == NULL) {
+ failed("cannot open input-file");
+ }
+
+- if ((my_blob = malloc((size_t) sb.st_size + 1)) == 0) {
++ if ((my_blob = malloc((size_t) sb.st_size + 1)) == NULL) {
+ failed("cannot allocate memory for input-file");
+ }
+
+@@ -280,7 +280,7 @@
+ }
+ num_lines = k;
+ if (pass == 0) {
+- if (((my_vec = typeCalloc(char *, (size_t) k + 2)) == 0)) {
++ if (((my_vec = typeCalloc(char *, (size_t) k + 2)) == NULL)) {
+ failed("cannot allocate line-vector #1");
+ }
+ } else {
+@@ -307,11 +307,11 @@
+ }
+ width = (width + 1) * 5;
+ my_win = newwin(2, width, 0, 0);
+- if (my_win == 0) {
++ if (my_win == NULL) {
+ failed("cannot allocate temporary window");
+ }
+
+- if ((vec_lines = typeCalloc(NCURSES_CH_T *, (size_t) num_lines + 2)) == 0) {
++ if ((vec_lines = typeCalloc(NCURSES_CH_T *, (size_t) num_lines + 2)) == NULL) {
+ failed("cannot allocate line-vector #2");
+ }
+
+@@ -358,7 +358,7 @@
+ x = width - 1;
+ wmove(my_win, 0, 0);
+ /* "x + 1" works with standard curses; some implementations are buggy */
+- if ((vec_lines[k] = typeCalloc(NCURSES_CH_T, x + width + 1)) == 0) {
++ if ((vec_lines[k] = typeCalloc(NCURSES_CH_T, x + width + 1)) == NULL) {
+ failed("cannot allocate line-vector #3");
+ }
+ #if USE_WIDEC_SUPPORT
+@@ -427,7 +427,7 @@
+ " s - use entered count for halfdelay() parameter",
+ " - if no entered count, stop nodelay()",
+ " <space> - begin nodelay()",
+- 0
++ NULL
+ };
+
+ int ch;
+@@ -462,9 +462,9 @@
+ #ifdef TRACE
+ case 'D':
+ {
+- char *next = 0;
++ char *next = NULL;
+ int tvalue = (int) strtol(optarg, &next, 0);
+- if (tvalue < 0 || (next != 0 && *next != 0))
++ if (tvalue < 0 || (next != NULL && *next != 0))
+ usage(FALSE);
+ curses_trace((unsigned) tvalue);
+ }
+Index: test/xmas.c
+Prereq: 1.39
+--- ncurses-6.5-20241130+/test/xmas.c 2022-12-04 00:40:11.000000000 +0000
++++ ncurses-6.5-20241207/test/xmas.c 2024-12-07 22:53:07.000000000 +0000
+@@ -92,7 +92,7 @@
+ /******************************************************************************/
+
+ /*
+- * $Id: xmas.c,v 1.39 2022/12/04 00:40:11 tom Exp $
++ * $Id: xmas.c,v 1.40 2024/12/07 22:53:07 tom Exp $
+ */
+ #include <test.priv.h>
+
+@@ -140,7 +140,7 @@
+ {
+ if (has_colors()) {
+ int n = (int) (color + 1);
+- if (my_pairs == 0)
++ if (my_pairs == NULL)
+ my_pairs = typeCalloc(bool, (size_t) (COLORS + 1));
+ if (!my_pairs[n]) {
+ init_pair((short) n, (short) color, (short) my_bg);
+@@ -638,7 +638,7 @@
+ stop_curses();
+
+ #if NO_LEAKS
+- if (my_pairs != 0)
++ if (my_pairs != NULL)
+ free(my_pairs);
+ #endif
+
+@@ -715,44 +715,44 @@
+ }
+ curs_set(0);
+
+- if ((treescrn = newwin(16, 27, 3, 53)) == 0 ||
+- (treescrn2 = newwin(16, 27, 3, 53)) == 0 ||
+- (treescrn3 = newwin(16, 27, 3, 53)) == 0 ||
+- (treescrn4 = newwin(16, 27, 3, 53)) == 0 ||
+- (treescrn5 = newwin(16, 27, 3, 53)) == 0 ||
+- (treescrn6 = newwin(16, 27, 3, 53)) == 0 ||
+- (treescrn7 = newwin(16, 27, 3, 53)) == 0 ||
+- (treescrn8 = newwin(16, 27, 3, 53)) == 0 ||
+-
+- (dotdeer0 = newwin(3, 71, 0, 8)) == 0 ||
+-
+- (stardeer0 = newwin(4, 56, 0, 8)) == 0 ||
+-
+- (lildeer0 = newwin(7, 53, 0, 8)) == 0 ||
+- (lildeer1 = newwin(2, 4, 0, 0)) == 0 ||
+- (lildeer2 = newwin(2, 4, 0, 0)) == 0 ||
+- (lildeer3 = newwin(2, 4, 0, 0)) == 0 ||
+-
+- (middeer0 = newwin(15, 42, 0, 8)) == 0 ||
+- (middeer1 = newwin(3, 7, 0, 0)) == 0 ||
+- (middeer2 = newwin(3, 7, 0, 0)) == 0 ||
+- (middeer3 = newwin(3, 7, 0, 0)) == 0 ||
+-
+- (bigdeer0 = newwin(10, 23, 0, 0)) == 0 ||
+- (bigdeer1 = newwin(10, 23, 0, 0)) == 0 ||
+- (bigdeer2 = newwin(10, 23, 0, 0)) == 0 ||
+- (bigdeer3 = newwin(10, 23, 0, 0)) == 0 ||
+- (bigdeer4 = newwin(10, 23, 0, 0)) == 0 ||
+-
+- (lookdeer0 = newwin(10, 25, 0, 0)) == 0 ||
+- (lookdeer1 = newwin(10, 25, 0, 0)) == 0 ||
+- (lookdeer2 = newwin(10, 25, 0, 0)) == 0 ||
+- (lookdeer3 = newwin(10, 25, 0, 0)) == 0 ||
+- (lookdeer4 = newwin(10, 25, 0, 0)) == 0 ||
++ if ((treescrn = newwin(16, 27, 3, 53)) == NULL ||
++ (treescrn2 = newwin(16, 27, 3, 53)) == NULL ||
++ (treescrn3 = newwin(16, 27, 3, 53)) == NULL ||
++ (treescrn4 = newwin(16, 27, 3, 53)) == NULL ||
++ (treescrn5 = newwin(16, 27, 3, 53)) == NULL ||
++ (treescrn6 = newwin(16, 27, 3, 53)) == NULL ||
++ (treescrn7 = newwin(16, 27, 3, 53)) == NULL ||
++ (treescrn8 = newwin(16, 27, 3, 53)) == NULL ||
++
++ (dotdeer0 = newwin(3, 71, 0, 8)) == NULL ||
++
++ (stardeer0 = newwin(4, 56, 0, 8)) == NULL ||
++
++ (lildeer0 = newwin(7, 53, 0, 8)) == NULL ||
++ (lildeer1 = newwin(2, 4, 0, 0)) == NULL ||
++ (lildeer2 = newwin(2, 4, 0, 0)) == NULL ||
++ (lildeer3 = newwin(2, 4, 0, 0)) == NULL ||
++
++ (middeer0 = newwin(15, 42, 0, 8)) == NULL ||
++ (middeer1 = newwin(3, 7, 0, 0)) == NULL ||
++ (middeer2 = newwin(3, 7, 0, 0)) == NULL ||
++ (middeer3 = newwin(3, 7, 0, 0)) == NULL ||
++
++ (bigdeer0 = newwin(10, 23, 0, 0)) == NULL ||
++ (bigdeer1 = newwin(10, 23, 0, 0)) == NULL ||
++ (bigdeer2 = newwin(10, 23, 0, 0)) == NULL ||
++ (bigdeer3 = newwin(10, 23, 0, 0)) == NULL ||
++ (bigdeer4 = newwin(10, 23, 0, 0)) == NULL ||
++
++ (lookdeer0 = newwin(10, 25, 0, 0)) == NULL ||
++ (lookdeer1 = newwin(10, 25, 0, 0)) == NULL ||
++ (lookdeer2 = newwin(10, 25, 0, 0)) == NULL ||
++ (lookdeer3 = newwin(10, 25, 0, 0)) == NULL ||
++ (lookdeer4 = newwin(10, 25, 0, 0)) == NULL ||
+
+- (w_holiday = newwin(1, 26, 3, 27)) == 0 ||
++ (w_holiday = newwin(1, 26, 3, 27)) == NULL ||
+
+- (w_del_msg = newwin(1, 19, 23, 60)) == 0) {
++ (w_del_msg = newwin(1, 19, 23, 60)) == NULL) {
+ stop_curses();
+ fprintf(stderr, "Cannot create windows - screen too small\n");
+ ExitProgram(EXIT_FAILURE);
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-20 01:16:30 +0000