What I haven't found is anything on how to send AND receive on the same port.

It's impossible for a socket to do otherwise.

Maybe the bit you are missing is that you need to use the same socket for sending and receiving? Unlike (most?) pipes, sockets are bidirectional.

In reply to Re: Sending AND Receiving on the Same Port by ikegami
in thread Sending AND Receiving on the Same Port by HalNineThousand

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