and libssl major (ssl_check_clienthello_tlsext split into two functions)

as configuration files; split manpages and .pc files between libcrypto and
libssl.
No functional change, only there to make engineering easier, and libcrypto
sources are still found in libssl/src/crypto at the moment.
ok reyk@, also discussed with deraadt@ beck@ and the usual crypto suspects.

of the stride. don't overwrite past the end of the buffer, and also save
that amount for later so the array is completely filled. ok deraadt djm
reported by Dmitry Chestnykh (dchest)

For inet(3), go the other way, remove some bogus symlinks.
Found while testing the new makewhatis(8).
ok jmc@

This is merely a by-product of figuring out the amount of phk@ code
contained herein; i'm not planning to hack on this file.

this license change. We will remember that we all still like beer.

"A collision attack published in 2007 can find collisions for full
MD4 in less than two hash operations."
ok deraadt@, man pages ok jmc@

use better constant for salt size.
always copy ":" to gerror, in case somebody is dumb enough to overwrite it
timingsafe_bcmp before somebody whines about strcmp

add some friendlier functions.
move the classic static data api into wrapper functions.
a few more changes to come...

this hardware alive is becoming increasingly difficult, and I should heed the
message sent by the three disks which have died on me over the last few days.
Noone sane will mourn these ports anyway. So long, and thanks for the fish.

(namespace pollution!) or talking about its opinion on code.
ok krw@

add a more complete check for the rounds parameter. ok deraadt

ok deraadt@ bentley@

introduce a new 'b' hash minor. still generate 'a' minors for now.
reported by solar designer. diff by some combination of solar and jca.
ok deraadt

Patch by Jean-Philippe Ouellet ; ok krw@

the ball rolling. ok deraadt.

spotted by tedu

marking up words that are not trademarks (ASCII, I/O, NFS, TCP, TELNET).
While here, remove .Tn markup from the same words in the body
of these pages, too.

Found while testing mandocdb(8).

is also pulled in

right __dso_handle and have dlopen'ed shared objects run their atexit handlers
when they get unloaded.  This is what Linux does, and several ports depend on
this behaviour (and will crash upon exit without this chang).
Based on an earlier diff from matthew@
Tested by ajacoutot@
ok deraadt@

ok deraadt@

Requested by deraadt@

as advised by deraadt

ok krw

from and with deraadt@

EAGAIN causes spinning.
fix from claudio:
"Let msgbuf_write return -1 with errno EAGAIN. The users then must
check if this was the case and readd the event or poll again.  The
current handling in the imsg code is wrong for sure."
ok gilles

ok guenther otto