Revert r330897:

This was intended to be a non-functional change. It wasn't. The commit
message was thus wrong. In addition it broke arm, and merged crypto
related code.

Revert with prejudice.

This revert skips files touched in r316370 since that commit was since
MFCed. This revert also skips files that require $FreeBSD$ property
changes.

Thank you to those who helped me get out of this mess including but not
limited to gonzo, kevans, rgrimes.

Requested by: gjb (re)

Partial merge of the SPDX changes

These changes are incomplete but are making it difficult
to determine what other changes can/should be merged.

No objections from: pfg

Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.
Prune svn:mergeinfo from the new branch, as nothing has been merged
here.

Additional commits post-branch will follow.

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

Reintegrate colldef(1) and mklocale(1)

While those tools are not needed anymore they are necessary to build FreeBSD 9
and 10. it does not hurt to keep those tools around until both 9 and 10 branch
become EOLed.

Modify colldef(1) to build after the change in the collation header, and ensure
it does produce the same collation definition it used to generate for 9 and 10

Reported by: Oliver Pinter

Work around build breakages with GCC 4.2.

Reported by: tinderbox

Remove the advertising clause from UCB copyrighted files in usr.bin. This
is in accordance with the information provided at
ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change

Also add $FreeBSD$ to a few files to keep svn happy.

Discussed with: imp, rwatson

ANSIfy almost all applications that use WARNS=6.

I was considering committing all these patches one by one, but as
discussed with brooks@, there is no need to do this. If we ever
need/want to merge these changes back, it is still possible to do this
per application.

Make the format of LC_CTYPE files architecture independent by
introducing the disk formats for _RuneLocale and friends.

The disk formats do not have (useless) pointers and have 32-bit
quantities instead of rune_t and long. (htonl(3) only works
with 32-bit quantities, so there's no loss).

Bootstrap mklocale(1) when necessary. (Bootstrapping from 4.x
would be trivial (verified), but we no longer provide pre-5.3
source upgrades and this is the first commit to actually break
it.)

#include <runetype.h> directly for the definition of _CACHED_RUNES, needed
by ldef.h, rather than relying on GCC-specific pollution from <ctype.h>.

Noticed by: Stefan Farfeleder

Add swidth definitions and lex code to mklocale
After adding swidth support in iswctype.c and ctype.h

Submitted by: clkao@clkao.org
Reviewed by: keichii,ache
Obtained from: NetBSD
MFC after: 1 month

Declarations cleanup; make sure externs are in a common header.
Fix declarations, casts and return values.

There is a problem in that one cannot use ctype.h at the same time as parts
of the C++ stdlib. Our ctype.h uses symbols of the form _<X> to denote the
various character classes. Our ctype.h also extends the usual ctype.h
offering by adding the "_T" (special) class. Problem is parts of the STL
also use the symbol "_T" as its parameterized type. These two uses are
incompatible.

Thus change the form of the symbols used in ctype to something that fixes
the current problem and is less likely to cause conflicts in the future.

Requested by: Tomoaki NISHIYAMA <tomoaki@biol.s.u-tokyo.ac.jp>
Ok'ed by: JKH

fix sign extension bug

Submitted by: Nikolai Saoukh <nms@ethereal.ru>

Backout yacc changes.

yacc rules change.

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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