- joystick-from-instance-id idprocedure
See SDL_JoystickFromInstanceID.
Note: The returned joystick will be a new sdl2:joystick record pointing to the address of the existing joystick. It will be struct-eq? to other sdl2:joystick records for the same joystick, but not eq?.
Requires SDL 2.0.4 or higher, and sdl2 egg 0.2.0 or higher.