SDL_GetHaptics - Get a list of currently connected haptic devices.

       This function is available since SDL 3.2.0.

count  a pointer filled in with the number of haptic devices returned, may be NULL.

       SDL_GetHaptics - Get a list of currently connected haptic devices.

       Returns  a  0  terminated array of haptic device instance IDs or NULL on failure; call SDL_GetError() for
       more information. This should be freed with SDL_free() when it is no longer needed.

SDL_OpenHaptic(3)

Simple Directmedia Layer                           SDL 3.2.20                                  SDL_GetHaptics(3)

#include<SDL3/SDL_haptic.h>SDL_HapticID*SDL_GetHaptics(int*count);