UdpClient c("localhost", 4000);
String r = c.Send("Hello").Receive();

void Listen1(UdpPeer& peer)
{
	String request = peer.Get();
	peer.Send("Thanks");

	if(finish)peer.StopServer();
}

CONSOLE_APP_MAIN
{
	UdpSrver srv;
	srv.Listen(4000, Listen1);
	
	while(srv1.IsRunning()) Sleep(1000);
}