볼랜드로 서버/클라이언트를 만들어보려고 하는데 잘 안되서 문의드려요

클라이언트에서 소켓 연결할때는 accept에서 반응을 하는데, 패킷을 만들어서 보내니까 accept에서 반응을 안하더라구요.
아래 부분은 서버 쪽 소스인데, MFC로 구현된걸 찾으면서 C빌더로 바꾸다보니 마음대로 안되네요;;;

질문을 정리하면
- 소켓 연결할 때는 accept에 반응이 있는데, 패킷을 보낼때는 왜 반응이 없는지 알고싶습니다.

-----
void TForm1::Main()
{ 
    int clen;
    cmdMessage *rcvState, *sendMsg;
   
    byte *rcvbuf;
             
    SOCKADDR_IN client_addr;

    while(1)
    {     
        if(!SocketListenTCP(ssock))
        {
            ShowMessage("실패");
            return;
        }
         csock = accept(ssock, (SOCKADDR*)&client_addr, &clen);  // 반응있음
          // Receive
         int nRecvPacketSize = sizeof(cmdMessage); 
         rcvbuf = (Byte*)malloc(nRecvPacketSize);
         memset(rcvbuf, 0x00,nRecvPacketSize);        

         if(listen(ssock, 5) == SOCKET_ERROR)
         {
            ShowMessage("ERROR");
         }
   
//        read(csock, (char*)rcvbuf, nRecvPacketSize);
         int nRecvCount = ReceiveTCPData(csock, (char*)rcvbuf,
                                      nRecvPacketSize, 10);

         int length = strlen(rcvbuf);
         if(length <= 0)
         {
            Sleep(1);
            continue;
         }
       //  Send       
         rcvState = (cmdMessage*)rcvbuf;        
         Parsing(rcvState); // 메시지를 만들어서 클라이언트에 던지는 함수
         return;
    }
}

//-----------------------------------------------------------------

int ReceiveTCPData(SOCKET s, char * lpBuffer, int nSizeToRead, int nTimeout)
{
    register int i;
    register int nread = 0;
    register int rtn;
    int     elapsed = 0;
    int     nErrorResult = 0;
    char    szMessage[100] = "0x00,";
    bool    flag;
    u_long FAR arg; /* blocking, non-blocking 변환용 */
    int        nReturn;
    unsigned long time_start, time_elps;  // time out 시간보정

    if(nTimeout >= 0)
    {
        arg = 1;
        ioctlsocket(s, FIONBIO, &arg);   /* non-blocking mode */
    }
    else
    {
        arg = 0;
        nReturn = ioctlsocket(s, FIONBIO, &arg);   /* blocking mode */
    }

    for(i = 0; i < nSizeToRead; )
    {
        time_start = GetTickCount();

        rtn = recv(s, lpBuffer + i, nSizeToRead - nread, 0);
        if (rtn == 0) /* EOF */ //-- Disconnect Occurs
        {
            if( flag == true ) return nread;
            arg = 0; ioctlsocket(s, FIONBIO, &arg);   //* blocking mode */
            return SOCKET_DISCONNECTED;
        }
        else if (rtn < 0) // error
        {

            //if( flag == true ) return nread;
            nErrorResult = GetLastSocketErrorMessage(szMessage);
            if(nErrorResult == WSAECONNABORTED)
            {
                return SOCKET_CLOSED;
            }
            else if(nErrorResult == WSAECONNRESET)
            {
                return SOCKET_DISCONNECTED;
            }
            else if (nTimeout >= 0)
            {
                if (elapsed >= nTimeout)  // Occur Timeout
                { //* time out
                    arg = 0; ioctlsocket(s, FIONBIO, &arg);   // blocking mode
                    if( flag == true ) return nread;
                    return SOCKET_READTIMEOUT;
                }
                Sleep(1);

                time_elps = GetTickCount() - time_start;
                elapsed += time_elps;
            }
            else // Socket Disconnected      // Socket Closed
            {
                if( flag == true ) return nread;
                return SOCKET_CLOSED;
            }
        }
        else //* rtn(bytes)를 read한 경우 */
        {
            if( i == 0 ) flag = true;
            nread += rtn;
            i += rtn;
        }
    }

    arg = 0;
        ioctlsocket(s, FIONBIO, &arg);   /* blocking mode */

    return nread;
}