al_is_joystick_haptic man page
al_is_joystick_haptic — Allegro 5 API
#include <allegro5/allegro.h> bool al_is_joystick_haptic(ALLEGRO_JOYSTICK *dev)
Returns true if the joystick has haptic capabilities, false if not.
[Unstable API]: Perhaps could be simplified due to limited support for all the exposed features across all of the platforms. Awaiting feedback from users.