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make_relative_filename(3) Allegro manual make_relative_filename(3) NAME make_relative_filename - Tries to make a relative filename from absolute path and filename. Allegro game programming library. SYNOPSIS #include <allegro.h> char *make_relative_filename(char *dest, const char *path, const char *filename, int size); DESCRIPTION Attempts to make a relative filename from an absolute path and an absolute filename, storing at most `size' bytes into the `dest' buffer. This func- tion won't work if the paths are not canonical under the current platform (see canonicalize_filename()). Also, `dest' cannot be used as input value for `path' or `filename'. Example: char base[] = "/long/absolute/path/program.exe"; char user_input[] = "/nice/and/short.txt"; ... make_relative_filename(buf, base, user_input, sizeof(buf)); /* Under Unix buf would contain: ../../../nice/and/short.txt */ RETURN VALUE Returns a copy of the `dest' parameter if it succeeds or NULL if it fails (eg. under DOS, one path starts with "C:\" and another with "A:\"). SEE ALSO make_absolute_filename(3), is_relative_filename(3), canonicalize_file- name(3) Allegro version 4.4.3 make_relative_filename(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | SEE ALSO
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