#include <iostream>

#include <WinSock2.h>

#pragma comment(lib,"wsock32.lib") //引入库文件

using namespace std;

WSADATA wsaData;

int retVal;//返回码

int main()

{

WSAStartup(MAKEWORD(2, 2), &wsaData);

SOCKET sHost = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);//创建一个套接字

SOCKADDR_IN servAddr;

servAddr.sin_family = AF_INET;//TCP UDP协议;

servAddr.sin_port = htons((short)4999);//服务器端口

servAddr.sin_addr.s_addr = inet_addr("127.0.0.1");//设置服务器地址

retVal = connect(sHost, (LPSOCKADDR)&servAddr, sizeof(servAddr));//连接服务器

char buf[128];//数据缓冲区

int BUF_SIZE = 128;//接收字节数

ZeroMemory(buf, BUF_SIZE);

strcpy_s(buf, "MyTcp");

retVal = send(sHost, buf, strlen(buf), 0);

closesocket(sHost);

WSACleanup();

return 0;

}

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