usr.sbin: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl script.

Sponsored by: Netflix

Remove $FreeBSD$: one-line nroff pattern

Remove /^\.\\"\s*\$FreeBSD\$$\n/

arp(8) clarify the use of the '-a flag'

PR: 238146
Submitted by: Andrew Stevenson <andrew at ugh dot net dot au>
Reported by: Andrew Stevenson <andrew at ugh dot net dot au>
Reviewed by: bcr (mentor)
Approved by: bcr (mentor)
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D25645

Introduce libxo support to arp(8)

Reviewed by: wblock, gnn, allanjude, phil
Approved by: allanjude
MFC after: 1 week
Sponsored by: Rubicon Communications (Netgate)
Differential Revision: https://reviews.freebsd.org/D9563

Renumber copyright clause 4

Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is too pedantic, so give up on that point.

Submitted by: Jan Schaumann <jschauma@stevens.edu>
Pull Request: https://github.com/freebsd/freebsd/pull/96

Retire struct sockaddr_inarp.

Since ARP and routing are separated, "proxy only" entries
don't have any meaning, thus we don't need additional field
in sockaddr to pass SIN_PROXY flag.

New kernel is binary compatible with old tools, since sizes
of sockaddr_inarp and sockaddr_in match, and sa_family are
filled with same value.

The structure declaration is left for compatibility with
third party software, but in tree code no longer use it.

Reviewed by: ru, andre, net@

A new jail(8) with a configuration file, to replace the work currently done
by /etc/rc.d/jail.

Create the altix project branch. The altix project will add support
for the SGI Altix 350 to FreeBSD/ia64. The hardware used for porting
is a two-module system, consisting of a base compute module and a
CPU expansion module. SGI's NUMAFlex architecture can be an excellent
platform to test CPU affinity and NUMA-aware features in FreeBSD.

- xref ndp(8)

PR: docs/134053
Submitted by: Bob Van Zant <bob@veznat.com>
MFC after: 1 week

Print a warning when blackhole and reject are used together.
Update arp.8 manual page syntax.

PR: 125896
Submitted by: Marc Olzheim <marcolz@stack.nl>
Approved by: sam

- Import the HEAD csup code which is the basis for the cvsmode work.

Spell "blackhole" correctly and fix one grammar nit.

add reject+blackhole keywords to install entries with RTF_BLACKHOLE
and RTF_REJECT, respectively

PR: bin/79228
Submitted by: Dan Lukes <dan@obluda.cz>
MFC after: 2 weeks

Enumerate all cases where -i is applicable.

MFC after: 3 days

Allow the -i <interface> option with -d -a to allow all arp entries for
a given interface to be removed.

Per letter dated July 22, 1999, delete clause 3 from code directly
from Berkeley.

Mechanically kill hard sentence breaks.

Implement a new option: -i, which will allow to limit
the scope of operation to the ARP entries on a particular
interface. It should be useful on machines with numerous
network interfaces, e.g., on inter-VLAN routers.

PR: bin/54151
Submitted by: Dmitry Morozovsky <marck at rinet.ru>
Discussed on: -net
MFC after: 2 weeks

POLA dictates that in the file designated with the -f option
argument, leading whitespace and empty lines be ignored, and
the `#' character marks the rest of the line as a comment.

PR: bin/45958
MFC after: 3 days

The .Nm utility

Fix a typo.

- Misc grammar fixes.
- Add `Ar filename' to the description of the -f option.

Remove whitespace at EOL.

mdoc(7) police: removed HISTORY info from the .Os call.

- Renamed the ``proxy'' modifier of the -d flag to ``pub'',
to be consistent with the -s flag. Updated documentation
on what this modifier does.

- Added the ``only'' keyword to the -s and -S flags, that
could be used to created "proxy-only" published entries.
Previously, arp(8) created an entry of this type only
in the absence of the route to a destination.

PR: bin/12357
MFC after: 1 week

mdoc(7) police: Change -filled displays (which just happen
to be the same as -ragged in the current implementation) to
-ragged. With mdocNG, -filled displays produce the correct
output, formatted and justified to both margins.

mdoc(7) police: modifiers should be marked with .Cm, not .Ar.

Revert previous checkin ("proxy" is required in some instances).
Add a note to that effect to the man page.

Fix documentation: "proxy" is not a keyword for the arp(8) command line.

mdoc(7) police: use the new features of the Nm macro.

$Id$ -> $FreeBSD$

Add $Id$, to make it simpler for members of the translation teams to
track.

The Id line is normally at the bottom of the main comment block in the
man page, separated from the rest of the manpage by an empty comment,
like so;

.\" $Id$
.\"

If the immediately preceding comment is a @(#) format ID marker than the
the $Id$ will line up underneath it with no intervening blank lines.
Otherwise, an additional blank line is inserted.

Approved by: bde

Submitted by: Archie@Whistle.com (Archie Cobbs)

allow teh -a option to work with the -d option
thus:
arp -d -a now flushes your arp cache.
also fix the -n option so that -an now works correctly.

Use err(3). Document -n flag from OpenBSD.
Obtained from: OpenBSD.

Balance single quotes.

PR: docs/4161
Submitted by: Kazuo Horikawa <k-horik@yk.rim.or.jp>

Import Lite2's src/usr.sbin, except for timed. All changed files
except one unimportant one have already left the vendor branch.

Clean up warnings.
fix return/exit codes in some cases.
Add -S which will delete any old entry first.
Add "auto" in proxy case, so it finds the right interface automatically.

Remove talk about trailers from arp(8) manual page
Obtained from: NetBSD bin/487

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