I believe there is a mistake in the sample code on this page:
The comment indicates that the IP address of the remote socket will be 192.168.0.50, but invokes the macro below with an incorrect number of arguments (and incorrect value).
Thanks Richard. It’s a little unsettling that after a very cursory look at the documentation, I found an example that not only wouldn’t work - it wouldn’t even compile. What kind of vetting process did the examples go through?