tcpclient.cpp

用于机器通信的服务器端软件

#include <Winsock2.h>
#include <stdio.h>

void main()
{
	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; 
}

    SOCKET sockClient=socket(AF_INET,SOCK_STREAM,0);

	SOCKADDR_IN addrSrv;
	addrSrv.sin_addr.S_un.S_addr=inet_addr("127.0.0.1");//一台服务机上测试
	addrSrv.sin_port=htons(6000);
	connect(sockClient,(SOCKADDR*)&addrSrv,sizeof(SOCKADDR));

	char recvBuf[100];
	recv(sockClient,recvBuf,100,0);
	printf("%s\n",recvBuf);
	send(sockClient,"This is zhangsan",strlen("This is zhangsan")+1,0);

	closesocket(sockClient);
	WSACleanup();//终止对套接字库的使用
}