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#include <bits/types.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdio.h>
int main() {
int fd = open("/mnt/fat-test/big", O_RDONLY);
if (fd < 0)
return 1;
__off_t size = lseek(fd, 0, SEEK_END);
if (size < 0)
return 2;
for (__off_t i = 512; i <= size; i += 512) {
if (lseek(fd, size - i, SEEK_SET) < 0)
return 3;
char buffer[512];
if (read(fd, buffer, 512) < 0)
return 4;
}
return 0;
}
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