d.cpp

这是个服务器程序

#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;
	}


	//创建用于监听的套接字
	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));
	//接受数据
	
	char recvBuf[100];
	
	recv(sockClient, recvBuf ,100,0);
	printf("%s\n",recvBuf);
	//发送数据
	send(sockClient , "this is ghl", strlen("this is ghl")+1 ,0);
	//关闭套接字
	
	closesocket(sockClient);
	WSACleanup();
}