Copy stable/10@r272459 to releng/10.1 as part of
the 10.1-RELEASE process.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Remove unnecessary cast

Remove unused includes. Make it WARNS=6 friendly. Concerning bin/2442, make
a new function dup_shell() to replace ok_shell() and make it unconditionnally
strdup() its result to make the caller's code simplier. Change ok_shell() to
just return an integer value suitable for tests (it was used mainly for that
purpose). Do not use strdup() in the caller's code but rely on dup_shell()
that will do the job for us.

PR: bin/2442

Consistently use FBSDID

Use libutil and libypclnt for all passwd manipulation and NIS needs.

Sponsored by: DARPA, NAI Labs

Fix warns, ANSIfy, use __FBSDID(), sort headers.

Fix a bug that prevents "00" being used as a valid year. Why bother in
2002? It is a bug. Might as well close the PR.

PR: misc/14511
Submitted by: Mike Pritchard <mpp@mpp.pro-ns.net>
MFC after: 3 days

$Id$ -> $FreeBSD$

Allow two digit years 1969-2068

Add rcsid. Correct -Wall warning.

Add new option to chpass: -e "expire" ; change the account expire time
from a script as if it was done in the interactive editor.

When reassembling the gecos string, trim any excess trailing commas, they
look ugly in the passwd file. :-)

Have a simple Makefile tweak to prevent mortal users from changing their
fullname. As ISP's we have seem some real bizzare stuff here..

When decoding the change/expire string, allow the month number as a
synonym for the name of the month.. (ie: 1 as well as Jan or January)
Note that using numbers means there's a chance that you can get bitten
if you're not used to the American DD-MM-YY order.

Delete bogus referneces to timezone code internal header file `tzfile.h',
which is no longer bogusly installed in /usr/include.

Fix chpass so that it doesn't advance the password
change and expire dates by 1 day anytime root
edits a user that has a change/expire date set.

Remove trailing whitespace.

This commit was generated by cvs2svn to compensate for changes in r1590,
which included commits to RCS files with non-trunk default branches.

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