al_fflush - Allegro 5 API

       Flush any pending writes to the given file.

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

       al_fflush - Allegro 5 API

al_get_errno(3alleg5)

Allegro reference manual                                                                      al_fflush(3alleg5)

              #include <allegro5/allegro.h>

              bool al_fflush(ALLEGRO_FILE *f)