SDL_OpenHaptic - Open a haptic device for use.

       This function is available since SDL 3.2.0.

       The index passed as an argument refers to the N'th haptic device on this system.

       When  opening a haptic device, its gain will be set to maximum and autocenter will be disabled. To modify
       these values use SDL_SetHapticGain() and SDL_SetHapticAutocenter().

instance_id
              the haptic device instance ID.

       SDL_OpenHaptic - Open a haptic device for use.

       Returns the device identifier or NULL on failure; call SDL_GetError() for more information.

SDL_CloseHaptic(3),   SDL_GetHaptics(3),    SDL_OpenHapticFromJoystick(3),    SDL_OpenHapticFromMouse(3),
       SDL_SetHapticAutocenter(3), SDL_SetHapticGain(3)

Simple Directmedia Layer                           SDL 3.2.20                                  SDL_OpenHaptic(3)

#include<SDL3/SDL_haptic.h>SDL_Haptic*SDL_OpenHaptic(SDL_HapticIDinstance_id);