Function sdl2_sys::SDL_JoystickGetDeviceInstanceID

source ยท 
pub unsafe extern "C" fn SDL_JoystickGetDeviceInstanceID(
    device_index: c_int,
) -> SDL_JoystickID
Expand description

Get the instance ID of a joystick. This can be called before any joysticks are opened. If the index is out of range, this function will return -1.