Function sdl2_sys::SDL_JoystickGetDeviceInstanceID

source ·

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.

\param device_index the index of the joystick to query (the N’th joystick on the system \returns the instance id of the selected joystick. If called on an invalid index, this function returns zero

\since This function is available since SDL 2.0.6.