is useful for laptops with different ethernet cards etc.)

problem noted by hugh@openbsd.org whereby a user could create the
well-known /tmp/_motd file and use chflags to make it unremovable.
Then at the next reboot the user's /tmp/_motd would end up in the
system motd.

"The mailwrapper program is designed to replace /usr/sbin/sendmail and to
invoke an appropriate MTA instead of sendmail(8) based on configuration
information placed in /etc/mailer.conf. This permits the administrator to
configure which MTA is to be invoked on the system at run time."
OK deraadt, millert

Mostly submitted by:  Peter Jeremy <jeremyp@gsmx07.alcatel.com.au>

ok deraadt@

into /var/db/host.random at shutdown time, so we can make use of it
during reboot to seed our random pool. ok millert@ angelos@ niklas@

* except when it is escaped with a `\' at the end of the line
- fix remaining .Nm usage as well
- this is from a patch I received from kwesterback@home.com, who has been
working on some scripts for fixing formatting errors in mdoc'd man pages
Ok, so there could be a cost/benefit debate with this commit, but since I have
the patch we might as well commit it...

it's not supposed to be a hyphen/dash

Out of the approximately 1450 man pages, only about 90 of them were wrong.
Thanks to kwesterback@home.com for coming up with a script and patch to repair
this. The patch also inserted a .Os macro in the few man pages that were
missing one.

not "Month, ##, ####"

kern.arandom.

ones that are useful for all protocols, not just IPv6).

keeps us from misbehaving if the user gives us a src string that is not
NUL-terminated.  This is one of those "should not happen" cases but it
is good to play it safe.  Pointed out by Casper Dik <casper@holland.sun.com>