lib: 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 s

lib: 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 nroff pattern

Remove /^\.\\"\s*\$FreeBSD\$$\n/

strcpy.3: Improve legibility and clarity

In the DESCRIPTION, put the more commonly used functions first in the
corresponding sentence, to help catch the eye.

Pull out the note about overlapping buf

strcpy.3: Improve legibility and clarity

In the DESCRIPTION, put the more commonly used functions first in the
corresponding sentence, to help catch the eye.

Pull out the note about overlapping buffers to its own paragraph, as it
applies to all routines documented by this page.

Emphasize the potentially surprising strncpy(3) behavior of zero-filling the
remainder of a buffer larger than the source string.

Encourage strlcpy use; remove portability note about strlcpy(3). Adapting a
strlcpy-using code base to a platform that does not provide strlcpy in libc
is so trivial as to not be worth mentioning. (Just copy strlcpy.c out of
any BSD libc, or include and link the pre-packaged libbsd library on non-BSD
platforms.)

Likewise, expand the page's warning about ease of potential misuse to cover
all functions documented herein, and explicitly suggest using strlcpy most
of the time. The text was mostly cribbed from a similar suggestion in
gets(3).

Finally, document the remaining valid use of strncpy -- the rare
fixed-length record with no expectation of nul-termination.

Sponsored by: Dell EMC Isilon

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Don't put multiple names on a single .Nm line. This fixes apropos(1)
output, from this:

strnlen, strlen, strlen,(3) - find length of string

Don't put multiple names on a single .Nm line. This fixes apropos(1)
output, from this:

strnlen, strlen, strlen,(3) - find length of string │·······

... to this:

strlen, strnlen(3) - find length of string

PR: 223525
MFC after: 2 weeks

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Merge ^/head r325663 through r325841.

Add notes about overlapping copies.

Add notes to each of these that specifically state that results are
undefined if the strings overlap. In the case of memcpy, we document
the overlapping behavior

Add notes about overlapping copies.

Add notes to each of these that specifically state that results are
undefined if the strings overlap. In the case of memcpy, we document
the overlapping behavior on FreeBSD (pre-existing). For str*, it is
left unspecified, however, since the default (and x86) implementations
do not handle overlapping strings properly.

PR: 223653
Sponsored by: Netflix

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MFC @ r266724

An SVM update will follow this.

Merge head

IFC @264767

Merge head up to r263906.

libc man pages: Remove reference to non-existent FreeBSD Security
Architecture

MFC After: 3 days

Merge from head

IFC @ r254014

IFC @253398

Merge fresh head.

Renumber clauses to reduce diffs to other versions

NetBSD, OpenBSD, and Android's Bionic number the clauses 1 through 3,
so follow suit to make comparison easier.

mdoc: move CAVEATS, BUGS and SECURITY CONSIDERATIONS sections to the
bottom of the manpages and order them consistently.

GNU groff doesn't care about the ordering, and doesn't even mention
CAVEATS a

mdoc: move CAVEATS, BUGS and SECURITY CONSIDERATIONS sections to the
bottom of the manpages and order them consistently.

GNU groff doesn't care about the ordering, and doesn't even mention
CAVEATS and SECURITY CONSIDERATIONS as common sections and where to put
them.

Found by: mdocml lint run
Reviewed by: ru

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Merge from head

- Merge from HEAD

Add wide character variants of string manipulations routines to 'SEE ALSO'.

Approved by: rwatson (mentor)

Update the projects tree to a newer FreeBSD current.

- Add getdelim(), getline(), stpncpy(), strnlen(), wcsnlen(),
wcscasecmp(), and wcsncasecmp().
- Make some previously non-standard extensions visible
if POSIX_VISIBLE >= 200809.
- Use restrict qu

- Add getdelim(), getline(), stpncpy(), strnlen(), wcsnlen(),
wcscasecmp(), and wcsncasecmp().
- Make some previously non-standard extensions visible
if POSIX_VISIBLE >= 200809.
- Use restrict qualifiers in stpcpy().
- Declare off_t and size_t in stdio.h.
- Bump __FreeBSD_version in case the new symbols (particularly
getline()) cause issues with ports.

Reviewed by: standards@

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Per Regents of the University of Calfornia letter, remove advertising
clause.

# If I've done so improperly on a file, please let me know.

Remove references to nonexistent "FreeBSD Security Architecture" document.

mdoc(7) police: "The .Fa argument.".