#include?“pch.h“
#include?“afx.h“
#include?
#include?

#pragma?comment（lib?“ws2_32.lib“）?

int?main（int?argc?char*?argv[]）
{
????WORD?socketVersion?=?MAKEWORD（22）;
????WSADATA?wsaData;?
????if（WSAStartup（socketVersion?&wsaData）?!=?0）
????{
		system（“pause“）;
????????return?0;
????}
????SOCKET?sclient?=?socket（AF_INET?SOCK_DGRAM?IPPROTO_UDP）;
	if（sclient?==?INVALID_SOCKET）
????{
????????printf（“socket?error?!“）;
		WSACleanup（）;
		system（“pause“）;
????????return?0;
????}
????
????sockaddr_in?sin;
????sin.sin_famil