Remove copyright strings ifdef'd out

We've ifdef'd out the copyright strings for some time now. Go ahead and
remove the ifdefs. Plus whatever other detritis was left over from other
recent removals.

Remove copyright strings ifdef'd out

We've ifdef'd out the copyright strings for some time now. Go ahead and
remove the ifdefs. Plus whatever other detritis was left over from other
recent removals. These copyright strings are present in the comments and
are largely from CSRG's attempt at adding their copyright to every
binary file (which modern interpretations of the license doesn't
require).

Sponsored by: Netflix

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usr.bin: 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 pe

usr.bin: 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

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Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

gprof: Retire a.out support

FreeBSD has used ELF binaries/libraries for decades, but still has some
support for legacy a.out binaries. Portions of this have been retired
over time, but support rema

gprof: Retire a.out support

FreeBSD has used ELF binaries/libraries for decades, but still has some
support for legacy a.out binaries. Portions of this have been retired
over time, but support remained in ldd, ldconfig, and gprof.

Retire gprof support; if anyone needs to do development on a.out
binaries still they will be best served by installing a full FreeBSD 2.x
or other obsolete version in a jail.

Kernel support for executing a.out binaries is unchnaged.

Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D27480

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mail/gprof/tip: tap with the ugly stick

The ugly stick here is this bit in the respective headers:

#ifndef EXTERN
#define EXTERN extern
#endif

with a follow-up #define EXTERN in a single .c file t

mail/gprof/tip: tap with the ugly stick

The ugly stick here is this bit in the respective headers:

#ifndef EXTERN
#define EXTERN extern
#endif

with a follow-up #define EXTERN in a single .c file to push all of their
definitions into one spot. A pass should be made over these three later to
push these definitions into the correct files instead, but this will suffice
for now and at a more leisurely pace.

MFC after: 3 days

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Merge ^/head r351317 through r351731.

gprof: disable building of a.out components

On arm64, riscv, and s390x disable building of aout components.
This allows gprof to build on these architectures which never supported
the legacy a.out b

gprof: disable building of a.out components

On arm64, riscv, and s390x disable building of aout components.
This allows gprof to build on these architectures which never supported
the legacy a.out binary format.

Obtained from: s390x branch
MFC after: 3 months

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Merge ^/head r325999 through r326131.

General further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 3-Clause license.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier f

General further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 3-Clause license.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

Special thanks to Wind River for providing access to "The Duke of
Highlander" tool: an older (2014) run over FreeBSD tree was useful as a
starting point.

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Merge ^/head r314420 through r314481.

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

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

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Use NULL instead of 0 for pointers.

MFC after: 2 weeks

Merge fresh head.

sync from head

IFC @247348.

rework old-style functions prototypes
reduce WARNS=6 output

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 $F

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

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Merge from head up to r188941 (last revision before the USB stack switch)

Sync with head

If running with "-K" really do not information about symbols from the a.out
argument. Before this fix, after searching the currently-running kernel,
we would still search the a.out argument - comple

If running with "-K" really do not information about symbols from the a.out
argument. Before this fix, after searching the currently-running kernel,
we would still search the a.out argument - completely override the in-kernel
list, essentially defeating the K flag's purpose.

PR: 47387
Submitted by: Ryan Beasley <ryanb@goddamnbastard.org>

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Fix a few cases that relied on 'implicit int' (constraint violation in C99).

Retire support for gprof's -c option. All our currently supported
architectures only provide a dummy implementation.

Silence on: current@

Include <string.h> for prototypes of various string functions.

Approved by: das (mentor)

Remove MD bits for unsupported architectures.

Remove done() which was just exit() so use of warn()/err() can be made. Abort
on allocation failure instead of displaying a warning and deferencing NULL
pointer after. Spelling. Add prototypes. Add l

Remove done() which was just exit() so use of warn()/err() can be made. Abort
on allocation failure instead of displaying a warning and deferencing NULL
pointer after. Spelling. Add prototypes. Add list of option in synopsis section
of man page, -d is not referenced because available as a compile option. It
should be made a runtime option btw.

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