Function xcb::xkb::get_device_info

pub fn get_device_info<'a>(
    c: &'a Connection, 
    device_spec: DeviceSpec, 
    wanted: u16, 
    all_buttons: bool, 
    first_button: u8, 
    n_buttons: u8, 
    led_class: LedClassSpec, 
    led_i_d: IdSpec
) -> GetDeviceInfoCookie<'a>