ALLEGRO_STATE_FLAGS - Allegro 5 API

       Flags  which can be passed to al_store_state(3alleg5)/al_restore_state(3alleg5) as bit combinations.  See
       al_store_state(3alleg5) for the list of flags.

Allegro reference manual                                                            ALLEGRO_STATE_FLAGS(3alleg5)

       ALLEGRO_STATE_FLAGS - Allegro 5 API

              typedef enum ALLEGRO_STATE_FLAGS