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/

Mark usage function as __dead2 in programs where it does not return

In most cases, usage does not return, so mark them as __dead2. For the
cases where they do return, they have not been marked __dea

Mark usage function as __dead2 in programs where it does not return

In most cases, usage does not return, so mark them as __dead2. For the
cases where they do return, they have not been marked __dead2.

Reviewed by: imp
Pull Request: https://github.com/freebsd/freebsd-src/pull/735

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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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IFC @230489 (pending review).

IFC to head to catch up the bhyve branch

Approved by: grehan@

Replace index() and rindex() calls with strchr() and strrchr().

The index() and rindex() functions were marked LEGACY in the 2001
revision of POSIX and were subsequently removed from the 2008 revisi

Replace index() and rindex() calls with strchr() and strrchr().

The index() and rindex() functions were marked LEGACY in the 2001
revision of POSIX and were subsequently removed from the 2008 revision.
The strchr() and strrchr() functions are part of the C standard.

This makes the source code a lot more consistent, as most of these C
files also call into other str*() routines. In fact, about a dozen
already perform strchr() calls.

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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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Change a use of u_int32_t to uint32_t.

PR: bin/93172
Submitted by: Robert Millan <rmh at aybabtu dot com>
MFC after: 1 week

- For variables holding offset values, use off_t rather than
int, long int or u_int32_t. This changes the interface of
all the CRC calculation and output functions from cksum.
- Print variabl

- For variables holding offset values, use off_t rather than
int, long int or u_int32_t. This changes the interface of
all the CRC calculation and output functions from cksum.
- Print variables of type off_t as intmax_t using a cast and %jd.
- Use the standardized uint32_t type instead of u_int32_t.
To have uint32_t defined, include <stdint.h> where necessary.
Style(9):
- Move #include directives where they belong (esp. crc32.c).
- Add empty lines between #include directives of system headers,
standard library headers and local headers.
- Test a pointer value against NULL.
- Put a space after the return keyword.

PR: bin/48424

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ANSIify function definitions to avoid a warning.

Consistently use FBSDID

remove __P

WARNS=2 fixup.
kill 'register' keyword.

Include missing header files which define functions for which gcc has
builtins (e.g., exit, strcmp).

Minimal use of .Ar and .Nm.
Add section number to .Xr reference.
Add DIAGNOSTICS section name.
Remove unused #includes.
Be consistant in the parsing of flags and add missing option in usage string.
A

Minimal use of .Ar and .Nm.
Add section number to .Xr reference.
Add DIAGNOSTICS section name.
Remove unused #includes.
Be consistant in the parsing of flags and add missing option in usage string.
Add rcsid.

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$Id$ -> $FreeBSD$

cksum does a 32-bit checksum, so it needs to use u_int32_t variables,
not u_long. With this change, cksum stops core dumping on alpha (not
a good sign!) and actually computes the same values as it do

cksum does a 32-bit checksum, so it needs to use u_int32_t variables,
not u_long. With this change, cksum stops core dumping on alpha (not
a good sign!) and actually computes the same values as it does on i386.

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Need to skip argv[0] when we are named "sum".

When called "sum", it is not documented as accepting any arguments.

Add canonical 32bit crc as alorithm 3.

PR: 4615
Reviewed by: phk
Submitted by: Mike Meyer <mwm@shiva.the-park.com>