Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.

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

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by: re (implicit)

Update GRANDPARENTED text to match the contents of tzdata/factory r19879.
This eliminates "warning: time zone abbreviation differs from POSIX" on
installworld to an empty filesystem.

Reviewed by: edwin
MFC after: 1 week

Copy usr.sbin/zic to contrib/tzcode/zic for the proper split of
contributed code and FreeBSD specific code.

MFV of tzcode2009e:

Upgrade of the tzcode from 2004a to 2009e.

Changes are numerous, but include...

- New format of the output of zic, which supports both 32 and 64
bit time_t formats.

- zdump on 64 bit platforms will actually produce some output instead
of doing nothing for a looooooooong time.

- linux_base-fX, with X >= at least 8, will work without problems related
to the local time again.

The original patch, based on the 2008e, has been running for a long
time on both my laptop and desktop machine and have been tested by
other people.

After the installation of this code and the running of zic(8), you
need to run tzsetup(8) again to install the new datafile.

Approved by: wollman@ for usr.sbin/zic
MFC after: 1 month

Merge changes from the tzcode2004a import.

Back out WARNS cleanup: this is apparently vendor code, even though
most of the files aren't on the vendor branch.

Submitted by: wollman

Constify, add some prototypes, and set WARNS=2.

Submitted by: Mike Barcroft <mike@q9media.com>

-Wall cleaning

$Id$ -> $FreeBSD$

Merge changes from vendor branch (tzcode1999a), plus the following additional
changes:

- Finish migrating zic to its own private.h.
- Fix zic.8 so that it really is written in -mdoc.
- Add four new flags to zic (&document):
-D don't create directories
-u change ownership of newly-created files to user
-g change ownership of newly-created files to group
-m change mode of newly-created files to modespec
These, once proven, can be used to clean up the installation.

Obtained from: ftp://elsie.nci.nih.gov/pub/tzcode1999a.tar.gz (partially)

This commit was generated by cvs2svn to compensate for changes in r42994,
which included commits to RCS files with non-trunk default branches.

First stage in giving zic/zdump its own version of private.h so that they
are decoupled somewhat from libc/stdtime's version.