Можно ли самому задать номер порта клиента?

    WSADATA wsaData;
    unsigned int addr = INADDR_NONE;
    struct sockaddr_in server;
    int wsaret=WSAStartup(0x101,&wsaData);
    if(wsaret)  
    {
        LogSendRecieveInfo("ERROR - WSAStartup(0x101,&wsaData)");
        return FALSE;
    }
    
    m_Connection = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
 
    if(m_Connection == INVALID_SOCKET)
    {
        LogSendRecieveInfo("ERROR - socket(AF_INET,SOCK_STREAM,IPPROTO_TCP)");
        
        m_Connection = NULL;
        return FALSE;
    }
 
    CStringA csServerNameA = CTextConvert::ConvertToChar(servername);
 
       addr = inet_addr(csServerNameA);
    if(addr == INADDR_NONE)
    {
        struct hostent *hp = gethostbyname(csServerNameA);
        if(hp != NULL)
        {
            addr = *(unsigned int*)hp->h_addr;
        }
    }
 
    if(addr == NULL || addr == INADDR_NONE)
    {
        LogSendRecieveInfo("addr == NULL || addr == INADDR_NONE");
 
        closesocket(m_Connection);
        m_Connection = NULL;
        return FALSE;
    }
 
    server.sin_addr.s_addr = addr;
    server.sin_family = AF_INET;
    server.sin_port = htons((u_short)g_Opt.m_lPort);
    if(connect(m_Connection, (struct sockaddr*)&server, sizeof(server)))
    {
        int nWhy = WSAGetLastError();
        LogSendRecieveInfo(StrF(_T("ERROR if(connect(m_Connection,(struct sockaddr*)&server,sizeof(server))) why = %d"), nWhy));
        closesocket(m_Connection);
        m_Connection = NULL;
        return FALSE;   
    }

m_Connection = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);

 sServerListen = socket(AF_INET, SOCK_STREAM, IPPROTO_IP);
    if (sServerListen == SOCKET_ERROR)
    {
        MessageBox(0, "Can't load WinSock", "Error", 0);
        return 0;
    }
    localaddr.sin_addr.s_addr = htonl(INADDR_ANY);
    localaddr.sin_family = AF_INET;
    localaddr.sin_port = htons(5050);
 
    if (bind(sServerListen, (struct sockaddr *)&localaddr, 
            sizeof(localaddr)) == SOCKET_ERROR)
    {
        MessageBox(0, "Can't bind", "Error", 0);
        return 1;
    }
    
    MessageBox(0, "Bind OK", "Error", 0);