Remove the Berkeley clause 3's.
Add a few $FreeBSD$

- Merge from HEAD

Namespace: memccpy() and memchr() are XSI, and memrchr() is a BSD extension.

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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Add restrict qualifiers to the parameters to strlcpy() and strlcat().
The annotation mainly just serves as a hint that they're not intended
for use with overlapping strings.

Mark memmem() __pure.

Add a function attribute called `__malloc_like', which informs gcc
that the annotated function returns a pointer that doesn't alias any
extant pointer. This results in a 50%+ speedup in microbenchmar

Add a function attribute called `__malloc_like', which informs gcc
that the annotated function returns a pointer that doesn't alias any
extant pointer. This results in a 50%+ speedup in microbenchmarks such
as the following:

char *cp = malloc(1), *buf = malloc(BUF);
for (i = 0; i < BUF; i++) buf[i] = *cp;

In real programs, your mileage will vary. Note that gcc already
performs this optimization automatically for any function called
`malloc', `calloc', `strdup', or `strndup' unless -fno-builtins is
used.

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Add strndup(3) prototype to string.h.

This change was erronously ommitted from the r185690, and attempt
to simply add the prototype to string.h has revealed that several
contributed programs defined

Add strndup(3) prototype to string.h.

This change was erronously ommitted from the r185690, and attempt
to simply add the prototype to string.h has revealed that several
contributed programs defined local prototypes for strndup(), controlled
by autoconfed config.h. So, manually change #undef HAVE_STRNDUP to
#define HAVE_STRNDUP 1. Next import of the corresponding program would
regenerate config.h, overriding the changes in this commit.

No objections from: kan

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Add memrchr(3).

Obtained from: OpenBSD

Revert last revision, strmode() should be moved to <unistd.h> to be
properly fixed.

Fix prototype of strmode() to match the code and documentation.

Appropriate namespace protection for memmem(3).

Submitted by: wollman
MFC after: 3 days

Add the function memmem(3) as found in glibc and others.
It is the binary equivalent to strstr(3).

void *memmem(const void *big, size_t big_len,
const void *little, size_t little_len);

Submitted

Add the function memmem(3) as found in glibc and others.
It is the binary equivalent to strstr(3).

void *memmem(const void *big, size_t big_len,
const void *little, size_t little_len);

Submitted by: Pascal Gloor <pascal.gloor at spale.com>
MFC after: 3 days

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According to the information on:
http://www.opengroup.org/onlinepubs/009695399/functions/swab.html
the prototype for swab() should be in <unistd.h> and not in <string.h>.
Move it, and update to match

According to the information on:
http://www.opengroup.org/onlinepubs/009695399/functions/swab.html
the prototype for swab() should be in <unistd.h> and not in <string.h>.
Move it, and update to match SUS. Leave the prototype in string.h for
now, for backwards compat.

PR: 74751
Submitted by: Craig Rodrigues <rodrigc@crodrigues.org>
Discussed with: das

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Mark functions pure where applicable. A notable exclusion is strcoll(),
which is not strictly pure because it calls malloc()/free() in some cases.

Change the definition of NULL on ia64 (for LP64 compilations) from
an int constant to a long constant. This change improves consistency
in the following two ways:
1. The first 8 arguments are always

Change the definition of NULL on ia64 (for LP64 compilations) from
an int constant to a long constant. This change improves consistency
in the following two ways:
1. The first 8 arguments are always passed in registers on ia64, which
by virtue of the generated code implicitly widens ints to longs and
allows the use of an 32-bit integral type for 64-bit arguments.
Subsequent arguments are passed onto the memory stack, which does
not exhibit the same behaviour and consequently do not allow this.
In practice this means that variadic functions taking pointers
and given NULL (without cast) work as long as the NULL is passed
in one of the first 8 arguments. A SIGSEGV is more likely the
result if such would be done for stack-based arguments. This is
due to the fact that the upper 4 bytes remain undefined.
2. All 64-bit platforms that FreeBSD supports, with the obvious
exception of ia64, allow 32-bit integral types (specifically NULL)
when 64-bit pointers are expected in variadic functions by way of
how the compiler generates code. As such, code that works correctly
(whether rightfully so or not) on any platform other than ia64, may
fail on ia64.

To more easily allow tweaking of the definition of NULL, this commit
removes the 12 definitions in the various headers and puts it in a
new header that can be included whenever NULL is to be made visible.

This commit fixes GNOME, emacs, xemacs and a whole bunch of ports
that I don't particularly care about at this time...

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Correct visibility conditionals for memccpy(), strdup(), and
strtok_r(). Merge conditional prototypes into the regular block.

Make stpcpy() only visiable w/in __BSD_VISIBLE.

Add stpcpy(3).

o Merge <machine/ansi.h> and <machine/types.h> into a new header
called <machine/_types.h>.
o <machine/ansi.h> will continue to live so it can define MD clock
macros, which are only MD because of

o Merge <machine/ansi.h> and <machine/types.h> into a new header
called <machine/_types.h>.
o <machine/ansi.h> will continue to live so it can define MD clock
macros, which are only MD because of gratuitous differences between
architectures.
o Change all headers to make use of this. This mainly involves
changing:
#ifdef _BSD_FOO_T_
typedef _BSD_FOO_T_ foo_t;
#undef _BSD_FOO_T_
#endif
to:
#ifndef _FOO_T_DECLARED
typedef __foo_t foo_t;
#define _FOO_T_DECLARED
#endif

Concept by: bde
Reviewed by: jake, obrien

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Add support for X/Open.

PR: 37078

o Move some function prototypes from <string.h> to the newly rewritten
<strings.h>, based on POSIX.1-2001's requirements.
o Add 'restrict' qualifier (spelled '__restrict') to functions in
<string

o Move some function prototypes from <string.h> to the newly rewritten
<strings.h>, based on POSIX.1-2001's requirements.
o Add 'restrict' qualifier (spelled '__restrict') to functions in
<string.h>, as per C99 and POSIX.1-2001.
o Properly expose new POSIX.1-2001 functions in <string.h>.

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Breath deep and take __P out of the system include files.

# This appears to not break X11, but I'm having problems compiling the
# glide part of the server with or without this patch, so I can't tel

Breath deep and take __P out of the system include files.

# This appears to not break X11, but I'm having problems compiling the
# glide part of the server with or without this patch, so I can't tell
# for sure.

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Fixed namespace pollution in previous commit. The C99 function
sterror_r() must not be declared in the C90/POSIX.1-1990 section.
Put it in the nonstandard section for now.