man exists () - Shortcut version of file_exists() for normal files. Allegro game programming library.
NAME
exists - Shortcut version of file_exists() for normal files. Allegro game programming library.
SYNOPSIS
#include <allegro.h>
int exists(const char *filename);
DESCRIPTION
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.
RETURN VALUE
Returns non-zero if the file exists, or zero if it doesn't.