SOCKET MasterSocket;
SOCKET TheClient;   
SOCKET m_backup;     
WSADATA wsaData;   
sockaddr_in con;     

// ------- Make sure you call this function before the others ------------------
int WSInit() // initalizes winsock
{
    int iResult = WSAStartup(MAKEWORD(2,2), &wsaData);
    if (iResult != NO_ERROR )
      {
       WSACleanup();
        return 0;
      }
   
    MasterSocket = socket( AF_INET, SOCK_STREAM, IPPROTO_TCP );

    if ( MasterSocket == INVALID_SOCKET )
    {
        WSACleanup();
        return 0;
    }
   m_backup = MasterSocket;
}


//  Starts a server
int startAsServer(int PORT)
{
    con.sin_family = AF_INET;
    con.sin_addr.s_addr = inet_addr( "0.0.0.0" );
    con.sin_port = htons(PORT);

    if (bind(MasterSocket,(SOCKADDR*) (&con), sizeof(con) ) == SOCKET_ERROR)
     {
        closesocket(MasterSocket);
        WSACleanup();
        return 0;
     }

    if (listen( MasterSocket, 1 ) == SOCKET_ERROR ) {
        closesocket(MasterSocket);
        WSACleanup();
        return 0;
    }
}

void waitForClient()
{
      TheClient = SOCKET_ERROR;
        while ( TheClient == SOCKET_ERROR )
           {
              Sleep(150);
              TheClient = accept( m_backup, NULL, NULL );
           }
        MasterSocket = TheClient;
}

// Call this function after you've created a client\server, like this "SOCKET mySocket = SetDataTransferSocket();"
SOCKET SetDataTransferSocket()
{
return TheClient;
}

// be sure you call this function before you close your app or when you want to dissconnect
void Dissconnect(SOCKET socketToDissconnect)
{
 closesocket(TheClient);
 closesocket(m_backup);
 closesocket(MasterSocket);
 closesocket(socketToDissconnect);
 WSACleanup();
}