fileinfo
make_fileinfo(FILE *out, const char *filename, struct fileinfo *file, int flags)
struct fileinfo *f,
compare_filename(struct fileinfo *a, struct fileinfo *b)
compare_mtime(struct fileinfo *a, struct fileinfo *b)
compare_size(struct fileinfo *a, struct fileinfo *b)
struct fileinfo *fi;
free_fileinfo(struct fileinfo *f)