al_is_haptic_active - Allegro 5 API

       Returns true if the haptic device can currently be used, false if not.

       al_is_haptic_active - Allegro 5 API

       5.1.8

              [UnstableAPI]:  Perhaps  could be simplified due to limited support for all the exposed features
              across all of the platforms.  Awaiting feedback from users.

Allegro reference manual                                                            al_is_haptic_active(3alleg5)

              #include <allegro5/allegro.h>

              bool al_is_haptic_active(ALLEGRO_HAPTIC *hap)