//四步简历TCP服务端
#include<iostream>
#include<Windows.h>
using namespace std;int main()
{//初始化ws2_32.dllWORD ver = MAKEWORD(2, 2);WSADATA wsaData;WSAStartup(ver, &wsaData);//对应WSACleanup的调用//1.建立一个socketSOCKET _sock = ::socket(AF_INET, SOCK_STREAM, 0);//填充sockaddr_in结构sockaddr_in sin;sin.sin_family = AF_INET;sin.sin_port = htons(1234);sin.sin_addr.S_un.S_addr = inet_addr("172.20.22.25");//2.connecd连接服务器int cont = connect(_sock, (sockaddr*)&sin, sizeof(sin));if (cont == SOCKET_ERROR){cout << "连接服务器失败" << endl;WSACleanup();return 0;}else{cout << "连接服务器成功" << endl;}//3.recv接受信息char buff[256];int nRecv = ::recv(_sock, buff, 256, 0);if (nRecv > 0){cout << buff << endl;}//4.关闭套接字closesocket(_sock);WSACleanup();system("pause");return 0;
}