ALLEGRO_FS_ENTRY *al_read_directory(ALLEGRO_FS_ENTRY *e)
Reads the next directory item and returns a filesystem entry for it.
Returns NULL if there are no more entries or if an error occurs. Call al_destroy_fs_entry(3alleg5) on the returned entry when you are done with it.
This function will ignore any files or directories named . or .. which may exist on certain platforms and may signify the current and the parent directory.