myLib.c

/**************
start_server();
***************/

int start_server(int port)
{

    SOCKET          ListeningSocket;
    SOCKADDR_IN     ServerAddr;

    // SetUp the ListeningSocket
    ListeningSocket = socket(AF_INET,SOCK_STREAM,0);

    if(ListeningSocket == INVALID_SOCKET)
    {
        printf("Winsock error - Socket creation problem");
        WSACleanup();
        return 1;
    }

    // SetUp the ServerAddr
    ServerAddr.sin_family = AF_INET;
    ServerAddr.sin_addr.s_addr = htonl(INADDR_ANY);
    ServerAddr.sin_port = htons(port);

    // Bind the ServerAddr with ListeningSocket

    if(bind(ListeningSocket,(SOCKADDR *)&ServerAddr,sizeof(ServerAddr)) == SOCKET_ERROR)
    {
        printf("Winsock error - Unable to bind socket");
        WSACleanup();
        return 1;
    }

    // Listening
    if(listen(ListeningSocket,5) == SOCKET_ERROR)
    {
        printf("Winsock error - Error Listening on socket");
        WSACleanup();
        return 1;
    }

    printf("Listening for conection on port %d\n",port);
    return 0;

}