Copy stable/10@r272459 to releng/10.1 as part of
the 10.1-RELEASE process.

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

MFC r266865;

Fix strcasecmp_l() and strncasecmp_l() POSIX 2008 compliance.

POSIX.1-2008 specifies that those two functions should be declared by
including <strings.h>, not <string.h> (the latter only has strcoll_l()
and strxfrm_l()):

http://pubs.opengroup.org/onlinepubs/9699919799/functions/strcasecmp.html

Bump __FreeBSD_version for ports that may be using the non-standard
reference.

Obtained from: DragonFlyBSD
Reviewed by: theraven

Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

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

This should read #if __BSD_VISIBLE instead of #ifdef __BSD_VISIBLE.

- Remove bcmp, bcopy, bzero, index, and rindex from the POSIX.1-2008
namespace.
- Add ffs to the XSI namespace.

Add the ffsll and flsll functions. These are ffs and fls operating
on long long arguments.

Reviewed by: bde (previous version, that included asm implementation
for all ffs and fls functions on i386 and amd64)
MFC after: 2 weeks

Add __pure and __pure2 where appropriate.

Reduce namespace pollution.

Add and document ffsl(), fls() and flsl().

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

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>.

This commit was generated by cvs2svn to compensate for changes in r1539,
which included commits to RCS files with non-trunk default branches.

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