TCP£¨SOCKETS£©±à³Ì C/C++ʵÏÖ

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Server£º
#pragma comment(lib, "ws2_32.lib")
#include <Winsock2.h>
#include <stdio.h>

void main()
{
//°æ±¾Ð­ÉÌ
WORD wVersionRequested;
WSADATA wsaData;
int err;

wVersionRequested = MAKEWORD(1,1); //0x0101
err = WSAStartup(wVersionRequested,&wsaData);

if(err!=0)
{
return 0;
}

if(LOBYTE(wsaData.wVersion)!=1 || HIBYTE(wsaData.wVersion)!=1) //wsaData.wVersion!=0x0101
{
WSACleanup();
return 0;
}

//´´½¨Socket
SOCKET sockSvr = socket(AF_INET,SOCK_STREAM,0);

//´´½¨IPµØÖ·ºÍ¶Ë¿Ú
SOCKADDR_IN addrSvr;

addrSvr.sin_addr.S_un.S_addr = htonl(INADDR_ANY);
addrSvr.sin_family = AF_INET;
addrSvr.sin_port = htons(6000);

//°ó¶¨¶Ë¿Ú¼àÌý
bind(sockSvr,(SOCKADDR*)&addrSvr,sizeof(SOCKADDR));
listen(sockSvr,5);

sockaddr_in addrClient;
int len = sizeof(sockaddr);

while(true)
{
//×èÈû·½·¨£¬»ñµÃÒ»¸ö¿Í»§SocketÁ¬½Ó
SOCKET sockConn = accept(sockSvr,(sockaddr*)&addrClient,&len);
char sendbuffer[128];
sprintf(sendbuffer,"Welcom %s!",inet_ntoa(addrClient.sin_addr));

//Ïò¿Í»§Socket·¢ËÍÊý¾Ý
send(sockConn,sendbuffer,strlen(sendbuffer)+1,0);
char recvbuffer[128];

//´Ó¿Í»§Soc½ÓÊÜÊý¾Ý
recv(sockConn,recvbuffer,128,0);
printf("%s\n",recvbuffer);

//¹Ø±ÕSocket
closesocket(sockConn);
}

closesocket(sockSvr);

//ÊÍ·ÅWinsock×ÊÔ´
WSACleanup();
return 0;
}
client£º
#pragma comment (lib,"ws2_32.lib")
#include <Winsock2.h>
#include <stdio.h>

void main()
{
//°æ±¾Ð­ÉÌ
WORD wVersionRequested;
WSADATA wsaData;
int err;
wVersionRequested = MAKEWORD(1,1); //0x0101
err = WSAStar