Re: getnameinfo extra len checking

[der Mouse <mouse%Rodents-Montreal.ORG@localhost>]

>> What's setting 0?  Not setting sa_len is bogus.
> Right, linux code that does not set sa_len...

Actually, as far as I can tell, Linux code _cannot_ set sa_len; I have
yet to find a Linux version that has it available to set.

Do our userland libraries really need Linux bug-compatability (yes, I
consider this a Linux bug) ifdefs?  Seems to me that's the question.

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