Get the USB product ID of a joystick, if available.
This can be called before any joysticks are opened. If the product ID isn't available this function returns 0.
the joystick instance ID.
the USB product ID of the selected joystick. If called with an invalid instance_id, this function returns 0.
SDL_GetJoystickProduct SDL_GetJoysticks
See Implementation
Get the USB product ID of a joystick, if available.
This can be called before any joysticks are opened. If the product ID isn't available this function returns 0.