al_fclose - Allegro 5 API

       Close the given file, writing any buffered output data (if any).

       Returns true on success, false on failure.  errno is set to indicate the error.

Allegro reference manual                                                                      al_fclose(3alleg5)

       al_fclose - Allegro 5 API

              #include <allegro5/allegro.h>

              bool al_fclose(ALLEGRO_FILE *f)