UDP通信服务器和客户端 VC++

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1、UDP通信服务器和客户端VC++服务器端：//udpserver.cpp:定义控制台应用程序的入口点。//#include"stdafx.h"#include"winsock2.h"#defineBUF_ZIZE64#includeusingnamespacestd;#pragmacomment(lib,"ws2_32.lib")int_tmain(intargc,_TCHAR*argv[]){WSADATAwsd;SOCKETsServer;SOCKETsClient;SOCKADDR

2、_INaddrServ;SOCKADDR_INaddrClient;charbuf[BUF_ZIZE];intretVal;//初始化套接字动态库if(WSAStartup(MAKEWORD(2,2),&wsd)!=0){cout<<"WSAStartuperror"<

3、l;WSACleanup();return-1;}//创建客户端套接字sClient=socket(AF_INET,SOCK_DGRAM,IPPROTO_UDP);if(INVALID_SOCKET==sClient){cout<<"Clientsocketfailed"<

4、ily=AF_INET;//绑定套接字retVal=bind(sServer,(LPSOCKADDR)&addrServ,sizeof(SOCKADDR_IN));if(retVal==SOCKET_ERROR){cout<<"binderroe"<

5、<

6、tem("pause");closesocket(sServer);WSACleanup();return0;}客户端：//udpclient.cpp:定义控制台应用程序的入口点。//#include"stdafx.h"#defineBUF_SIZE64#include"winsock2.h"#pragmacomment(lib,"ws2_32.lib")#includeusingnamespacestd;int_tmain(intargc,_TCHAR*argv[]){WSADATAw

7、sd;SOCKETsHost;SOCKETsClient;SOCKADDR_INservAddr;charbuf[BUF_SIZE];charcuf[BUF_SIZE];intretVal;//初始化套接字动态库if(WSAStartup(MAKEWORD(2,2),&wsd)!=0){cout<<"WSAStartupfailed"<

8、sHost){cout<<"socketfailed"<