al_get_path_filename man page
al_get_path_filename — Allegro 5 API
#include <allegro5/allegro.h> const char *al_get_path_filename(const ALLEGRO_PATH *path)
Return the filename part of the path, or the empty string if there is none.
The returned pointer is valid only until the filename part of the path is modified in any way, or until the path is destroyed.
al_get_path_basename(3), al_get_path_extension(3), al_get_path_component(3)
al_get_path_basename(3), al_get_path_extension(3), al_set_path_filename(3).