More "(<blah> *)0" -> NULL, avoiding any stdarg functions.

Feedback millert@ kettenis@

Remove unused headers and sort the remaining
Remove lint-style comments
Swap hardcoded string on usage() for __progname

OK tb@

handle ECONNABORTED errors from accept(). In many code blocks they can be
ignored silently and without aborting, much like EINTR and EWOULDBLOCK are.
ok's from various maintainers of these directori

handle ECONNABORTED errors from accept(). In many code blocks they can be
ignored silently and without aborting, much like EINTR and EWOULDBLOCK are.
ok's from various maintainers of these directories...

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rcsid[] and sccsid[] and copyright[] are essentially unmaintained (and
unmaintainable). these days, people use source. these id's do not provide
any benefit, and do hurt the small install media
(th

rcsid[] and sccsid[] and copyright[] are essentially unmaintained (and
unmaintainable). these days, people use source. these id's do not provide
any benefit, and do hurt the small install media
(the 33,000 line diff is essentially mechanical)
ok with the idea millert, ok dms

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"interupt" -> "interrupt" in various comments. Mostly from Diego Casati.

use socklen_t and better socket() checks. from Andrey Matveev
-Wall for good measure

retry for ECONNABORTED too

mostly ansi cleanup; pval ok

Remove the advertising clause in the UCB license which Berkeley
rescinded 22 July 1999. Proofed by myself and Theo.

o Resize nicely when we receive SIGWINCH
o Also change some 0-2 to *_FILENO

Print fatal errors to stderr after curses has finished instead of printing to the curses window which disapears immediately for terminals that can restore the screen.

Some changes inspired by FreeBSD...
o Kill annoying spaces at the end of lines
o sigaction, not sigvec
o warn/err where sensible
o hstrerror() not herror()
o defaults for erase, kill, and werase

Some changes inspired by FreeBSD...
o Kill annoying spaces at the end of lines
o sigaction, not sigvec
o warn/err where sensible
o hstrerror() not herror()
o defaults for erase, kill, and werase if not set
o kill a needless refresh() after the beeps that was messing up the screen

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NetBSD-based -Wall cleanup

Historically, talk pays no attention to hostnames, so if you've typed
'talk aaa@b' and are waiting for a response, and user aaa@c tries to talk
to you, you'll be transparently connected. Now, talk w

Historically, talk pays no attention to hostnames, so if you've typed
'talk aaa@b' and are waiting for a response, and user aaa@c tries to talk
to you, you'll be transparently connected. Now, talk will print the hostname
of the remote party if it's not the same host that you asked for.

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rcsid

eliminate annoying blank line when Ringing

initial import of NetBSD tree