exists - Shortcut version of file_exists() for normal files. Allegro
game programming library.
#include <allegro.h>
int exists(const char *filename);
Shortcut version of file_exists(), which checks for normal files, which
may have the archive or read-only bits set, but are not hidden,
directories, system files, etc.
Returns non-zero if the file exists, or zero if it doesn't.
file_exists(3alleg), file_size_ex(3alleg), file_time(3alleg)