Also, you may already know this, but if you use
the non-blocking accept, I believe you can
check $! for EAGAIN (or EWOULDBLOCK on BSD and
perhaps other systems) to check whether there
are no connection requests (as opposed to accept
just failing for some other reason). Maybe not
on your system, though...
As an aside: I know it's quite annoying to be
pointed towards man pages that you don't have on
your system... here's a good source of man pages
for OpenBSD,
and here's some docs (in troff source) for
Unix
Version 7.
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