socket（TCP）客户端程序

#include <Winsock2.h>#include <stdio.h>void main(){//加载套接字库WORD wVersionRequested;WSADATA wsaData;int err;wVersionRequested=MAKEWORD(1,1);err=WSAStartup(wVersionRequested,&wsaData);if(err!=0){return;}if(LOBYTE(wsaData.wVersion)!=1||HIBYTE(wsaData.wVersion)!=1){WSACleanup();return;}//创建套接字SOCKET sockClient=socket(AF_INET,SOCK_STREAM,0);SOCKADDR_IN addrSrv;addrSrv.sin_addr.S_un.S_addr=inet_addr("127.0.0.1");addrSrv.sin_family=AF_INET;addrSrv.sin_port=htons(6000);//向服务器发出请求connect(sockClient,(SOCKADDR*)&addrSrv,sizeof(SOCKADDR));char recvBuf[100];recv(sockClient,recvBuf,100,0);printf("%s\n",recvBuf);send(sockClient,"this is list",strlen("this is list")+1,0);closesocket(sockClient);WSACleanup();}