Windows Socket 编程：TCP客户端

#include <stdio.h>

#include <stdlib.h>

#include <winsock2.h>

int main(int argc,char * argv[])

{

    char message[30];

    WSADATA wsaData;

    SOCKET hSocket;

    SOCKADDR_IN servAddr;

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

    hSocket = socket(PF_INET,SOCK_STREAM,0);

    memset(&servAddr,0,sizeof(servAddr));

    servAddr.sin_family = AF_INET;

    servAddr.sin_addr.s_addr = inet_addr(argv[1]);

    servAddr.sin_port = htons(atoi(argv[2]));

    connect(hSocket,(SOCKADDR *)&servAddr,sizeof(servAddr));

    recv(hSocket,message,sizeof(message) – 1,0);

    printf(”%s”,message);

    closesocket(hSocket);

    WSACleanup();

    return 0;

}