多线程下MFC网络编程CSock类

UINT ReceiverThreadProc(LPVOID pParam)//receive thread
{
     if (!AfxSocketInit())  
      {  
         AfxMessageBox("应用程序没有调用    WSAStartup，或者        WSAStartup    失败");  
         return FALSE;   
      }
CSocket RecSock;
CSocket Connect;
     //sockaddr_in RecAddr;
     //memset(&RecAddr,0,sizeof(RecAddr));
     //RecAddr.sin_family=AF_INET;
     //RecAddr.sin_addr.s_addr=htonl(INADDR_ANY);
     //RecAddr.sin_addr.s_addr=inet_addr("127.0.0.1");;
     //RecAddr.sin_port =htons(PORT);
/************得到本机IP地址***********/
     char m_SysName[50];
     char lpAddr[50];
     gethostname(m_SysName,sizeof(m_SysName));
     struct hostent * p_HostInfo=::gethostbyname(m_SysName);
     in_addr inAddr;
     memcpy(lpAddr,p_HostInfo->h_addr_list[0],strlen(lpAddr));
     memmove(&inAddr,lpAddr,4);
/***********************************/
if(!RecSock.Create(PORT,SOCK_STREAM,inet_ntoa(inAddr)))
//create后,bind出错.需要bind的地址直接在create参数中指定.
//if(!RecSock.Bind((SOCKADDR*)&RecAddr,sizeof(SOCKADDR)))
if (!RecSock.Listen())
         while(true){
             if(!RecSock.Accept(Connect))
             {        
                 CString str;
                 str.Format("Accept error code:%d",RecSock.GetLastError());
                 AfxMessageBox(str);
                 return 0;
             }
             if (Connect.Receive(buffer,sizeof(buffer))<0)
             {        
                 CString str;
                 str.Format("Receive error code:%d",RecSock.GetLastError());
                 AfxMessageBox(str);
                 Connect.Close();
                 continue;
             }
             //处理数据
             Connect.Close();
        }
}

//发送线程
UINT SenderThreadProc(LPVOID pParam)
{
     if (!AfxSocketInit())  
     {  
         AfxMessageBox("应用程序没有调用    WSAStartup，或者        WSAStartup    失败");  
         return FALSE;   
     }
     char buf[BUFLEN];
     CSocket SendSock;
     sockaddr_in RecAddr;
     RecAddr.sin_family=AF_INET;
     RecAddr.sin_addr.s_addr=inet_addr(/*char * receiverip地址*/);
     RecAddr.sin_port =htons(PORT);
     SendSock.Create();
     if (!SendSock.Connect((SOCKADDR *)&RecAddr,sizeof(RecAddr)))
     {
         CString str;
         str.Format("Connect error code:%d",SendSock.GetLastError());
         AfxMessageBox(str);
         free(temp);
         return 0;
     }
     //往buf中添加数据
     SendSock.Send(buf,BUFLEN);
     SendSock.Close();
     return 1;
}
ps:线程函数要声明为static类型,或是全局的.如果在线程函数中要访问类中的成员,就将this指针传给pParam.