// Client, send:
    char *BufferToSend;
    float FloatToSend = 4.42;
    BufferToSend = ( char* )&FloatToSend;

    send( Connect, BufferToSend, sizeof(float), 0 );

    // Server, recieve:
    recv( Connect, myBuffer, recvbuflen, 0 );
    float *x;
    x = &myBuffer;
    // *x is now the float you've sent up there, so you can now do:

    float a = *x + 320.0f;
    // etc...