Get the SDL_Haptic associated with an instance ID, if it has been opened.
\param instance_id the instance ID to get the SDL_Haptic for.
\returns an SDL_Haptic on success or NULL on failure or if it hasn't been
opened yet; call SDL_GetError() for more information.
\since This function is available since SDL 3.2.0.
Get the SDL_Haptic associated with an instance ID, if it has been opened.
\param instance_id the instance ID to get the SDL_Haptic for. \returns an SDL_Haptic on success or NULL on failure or if it hasn't been opened yet; call SDL_GetError() for more information.
\since This function is available since SDL 3.2.0.