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#include<Winsock2.h>
#include<stdio.h>
void main()
{
WORD wVersionRequested;
WSADATA wsaData;
int err;
wVersionRequested = MAKEWORD( 2, 2 );
err = WSAStartup( wVersionRequested, &wsaData );
if ( err != 0 ) {
return;
}
if ( LOBYTE( wsaData.wVersion ) != 2 ||
HIBYTE( wsaData.wVersion ) != 2 ) {
WSACleanup( );
return;
}
SOCKET sockSrv=socket(AF_INET,SOCK_STREAM,0);
SOCKADDR_IN addrSrv;
addrSrv.sin_addr.S_un.S_addr=htonl(INADDR_ANY);
addrSrv.sin_family=AF_INET;
addrSrv.sin_port=htons(6000);
bind(sockSrv,(SOCKADDR*)&addrSrv,sizeof(SOCKADDR));
listen(sockSrv,5);
SOCKADDR_IN addrClient;
int len=sizeof(SOCKADDR);
while(1)
{
SOCKET sockConn=accept(sockSrv,(SOCKADDR*)&addrClient,&len);
char sendBuf[100];
memset(sendBuf,0,100); //加了一句
sprintf(sendBuf,"welcome %s to http://www.sunxin.org",inet_ntoa(addrClient.sin_addr));
send(sockConn,sendBuf,strlen(sendBuf)+1,0);
char recvBuf[100];
memset(recvBuf,0,100); //加了一句
recv(sockConn,recvBuf,100,0);
printf("%s\n",recvBuf);
closesocket(sockConn);
}
}