On 16 Jan 2018, at 20:50, Carl Hoefs <newsli...@autonomy.caltech.edu> wrote:

> Okay, I’ve been looking around for a temporary stop-gap measure for the time 
> of being, and I think getaddrinfo() may work.

Make sure you try each of the addresses returned by `getaddrinfo`, not just the 
first.  There are situations where earlier addresses won’t work but later 
addresses will.

If you’re able to ‘cut the head’ off your BSD Sockets code — that is, replace 
the code that does the DNS lookup and the code that does the initial connect 
with one connect-by-name function — you can use `CFSocketStream` to do that 
connect and then extract the file descriptor from the stream pair and pass that 
along to your BSD Sockets code.  I discussed this idea in detail on the 
following DevForums thread.

<https://forums.developer.apple.com/message/187122#187122>

Share and Enjoy
--
Quinn "The Eskimo!"                    <http://www.apple.com/developer/>
Apple Developer Relations, Developer Technical Support, Core OS/Hardware


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