al_is_haptic_installed - Allegro 5 API

       Returns true if the haptic device subsystem is installed, false if not.

       al_is_haptic_installed - 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_installed(3alleg5)

              #include <allegro5/allegro.h>

              bool al_is_haptic_installed(void)