static + __dead

NULL does not need a cast

Remove the \n and tabs from the __COPYRIGHT() strings.
Tweak to use a consistent format.

strncpy -> strlcpy

Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22365, verified by myself.

separate the term check stuff.

defend against malicious line in ut_line, which could cause unwanted
writes to anything under /dev. revoke setuid/gid privs earlier.
From: xs@kittenz.org

utmpx support.

un__Pify, ANSIfy and constify.

/dev -> _PATH_DEV

Make gcc 2.96 (and maybe earlier) happier. Include <stdlib.h>,<string.>,
etc. as appropriate to get exit,srncmp,abs,abort,etc.
Add -I${.CURDIR} to a few Makefiles

Since our gcc doesn't warn about NULL format strings anymore, we can
fix the incorrect err(1, "%s", "") et al.
Closes PR bin/7592 by cgd.

char -> unsigned char

Add { and } to shut up egcs. Reformat the more questionable code.

const poisoning.

KNF. use S_IWGRP instead of homegrown crap. ensure tty buffer is nul-terminated.

- use an array MAXHOSTNAMELEN+1 size to hold hostnames
- ensure hostname from gethostname() is nul-terminated in all cases
- minor KNF
- use MAXHOSTNAMELEN over various other values/defines
- be safe

- use an array MAXHOSTNAMELEN+1 size to hold hostnames
- ensure hostname from gethostname() is nul-terminated in all cases
- minor KNF
- use MAXHOSTNAMELEN over various other values/defines
- be safe will buffers that hold hostnames

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deprecate register

WARNSify; clean up .Nm

remove possibly dangerous sprintf and strcpy calls.

sprintf -> snprintf, from David A. Holland <dholland@eecs.harvard.edu>

fix write to print a warning if the sender has "mesg n" set, instead
of dying with an error. From Mark Weaver
closes pr-355, per thorpej

sync with 4.4lite2

misc cleanup by jimj and myself.

Update to 4.4-Lite version, converted to use err*(3) and warn*(3).