Windows Socket 编程：TCP服务器端

Posted 2020-08-25

#include <stdio.h>

#include <stdlib.h>

#include <winsock2.h>

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

{

int szClntAddr;

char message[] = "hello szt!~\n";

WSADATA wsaData;

SOCKET hServSock,hClntSock;

SOCKADDR_IN servAddr,clntAddr;

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

hServSock = socket(PF_INET,SOCK_STREAM,0);

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

servAddr.sin_family = AF_INET;

servAddr.sin_addr.s_addr = htonl(INADDR_ANY);

servAddr.sin_port = htons(atoi(argv[1]));

bind(hServSock,(SOCKADDR *)&servAddr,sizeof(servAddr));

listen(hServSock,5);

szClntAddr = sizeof(clntAddr);

hClntSock = accept(hServSock,(SOCKADDR *)&clntAddr,&szClntAddr);

send(hClntSock,message,sizeof(message),0);

closesocket(hServSock);

closesocket(hClntSock);

WSACleanup();

return 0;

}