Function BluetoothRegisterForAuthenticationEx 

pub unsafe extern "system" fn BluetoothRegisterForAuthenticationEx(
    pbtdiin: *const BLUETOOTH_DEVICE_INFO,
    phreghandleout: *mut isize,
    pfncallbackin: PFN_AUTHENTICATION_CALLBACK_EX,
    pvparam: *const c_void,
) -> u32