int i4 = 0;
    socklen_t len = sizeof( i4 );
    B2B_ASSERT( !Net::Platform::failed(getsockopt( c.getFd(), SOL_SOCKET, SO_RCVBUF, (char*)&i4, &len ) ) );
    cout << i4 << " " << len << endl;

//    i4 = 12345;
    B2B_ASSERT( !Net::Platform::failed(setsockopt( c.getFd(), SOL_SOCKET, SO_RCVBUF, (char*)&i4, sizeof(i4) ) ) );
    B2B_ASSERT( !Net::Platform::failed(getsockopt( c.getFd(), SOL_SOCKET, SO_RCVBUF, (char*)&i4, &len ) ) );
    cout << i4 << " " << len << endl;