<unistd.h>: Declare intptr_t as per X/Open.

No functional change yet, for future reference.

Adjust numerous manual pages, scripts and Makefiles for the utmp removal.

Also remove /var/run/utmp and /var/log/lastlog via 'make upgrade'. Keep
any /var/log/wtmp and /var/log/wtmp.* files in case

Adjust numerous manual pages, scripts and Makefiles for the utmp removal.

Also remove /var/run/utmp and /var/log/lastlog via 'make upgrade'. Keep
any /var/log/wtmp and /var/log/wtmp.* files in case the user wants to
convert them with wtmpcvt(1).

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Retire the utmp specific ttyslot() function, like FreeBSD did.

Remove the legacy "utmp" API, now that our utils have been moved to utmpx.

As I wrote in UPGRADING, the main change for "normal" users is probably
that /var/log/wtmp is no longer logged to, just /va

Remove the legacy "utmp" API, now that our utils have been moved to utmpx.

As I wrote in UPGRADING, the main change for "normal" users is probably
that /var/log/wtmp is no longer logged to, just /var/log/wtmpx.

Leave the old API in libc as compat symbols that do nothing and always
succeed for the run-time linker (i.e. old binaries still using them).

dports has been kindly adjusted by zrj and new binary packages for master
are on their way.

A future commit will provide a wtmpcvt(1) utility to convert old wtmp
files to the wtmpx format.

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libc: Add getutxuser() (adapted from FreeBSD).

libc: Add gets_s(3) from ISO/IEC TR 24731-1.

For more information see the Technical Report (drafts of it are on
the web) or e.g. http://en.cppreference.com/w/c/io/gets.

This also adds set_constrain

libc: Add gets_s(3) from ISO/IEC TR 24731-1.

For more information see the Technical Report (drafts of it are on
the web) or e.g. http://en.cppreference.com/w/c/io/gets.

This also adds set_constraint_handler_s(), abort_handler_s(),
ignore_handler_s(), the RSIZE_MAX define, and the types rsize_t,
errno_t and constraint_handler_t.

Visibility is restricted to our default environment by default, but
can be enabled by defining __STDC_WANT_LIB_EXT1__ to 1, per the TR.

While here, put gets()'s documentation into a manual page of its own
with a note that it is depracated. We'll likely remove it from libc
too at a later point in time.

Requested-by: zrj
Taken-from: FreeBSD (with some adjustments)

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setutxdb(3): Constify the file name argument.

Taken-from: FreeBSD

<utmpx.h>: Some small updates.

* Add comments to the standard ut_type constants. Taken from FreeBSD.

* Put a number of non-standard structs, enums and constants under
__BSD_VISIBLE. Add some expl

<utmpx.h>: Some small updates.

* Add comments to the standard ut_type constants. Taken from FreeBSD.

* Put a number of non-standard structs, enums and constants under
__BSD_VISIBLE. Add some explaining comments. Taken from NetBSD.

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rtld - Support static TLS bindings for late-loaded shared libraries

* Allow late (manual) dlopen()s to load shared libraries which
use static TLS variables, as long as there is space. Do proper

rtld - Support static TLS bindings for late-loaded shared libraries

* Allow late (manual) dlopen()s to load shared libraries which
use static TLS variables, as long as there is space. Do proper
late-binding and initialize the area for all threads.

* rtld will cache a symbol lookup on first-need for:
"_pthread_distribute_static_tls" and then call it as needed to
initialize late-bound static TLS space.

This symbol is weakly bounded to __libc_distribute_static_tls in libc,
and strongly overridden by _libthread_distribute_static_tls in
libthread_xu.

* Fixes mesa glx-tls and others.

* Test code from FreeBSD. Also tested with other combinations
including a pthread_create() and -static compilation.

https://github.com/dumbbell/test-tls-initial-exec

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<uchar.h>: Define char16_t and char32_t better.

Define them unless we use C++11 or higher. Also, remove __char16_t
and __char32_t from <sys/types.h>. Furthermore, remove the unneeded
declaration gua

<uchar.h>: Define char16_t and char32_t better.

Define them unless we use C++11 or higher. Also, remove __char16_t
and __char32_t from <sys/types.h>. Furthermore, remove the unneeded
declaration guards.

Thanks to zrj for his help.

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<signal.h> has to and does provide pid_t, so we can also use it.

Make va_*() macros available to the kernel in <sys/stdarg.h>.

Previously, the kernel was restricted to __va_*() only but I can't see
any real reason to do that and it also forces stuff like ACPICA a

Make va_*() macros available to the kernel in <sys/stdarg.h>.

Previously, the kernel was restricted to __va_*() only but I can't see
any real reason to do that and it also forces stuff like ACPICA and
drm to use workarounds. Those will be cleaned up in subsequent commits.

For now, I've used <sys/stdarg.h>, because everything resolves to
__builtin_va*() in the end. If we ever need more machine specific
definitions, it has to be moved to <machine/stdarg.h>.

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world: Remove libmd from the base.

Everything in base has been converted to use pure LibreSSL hash API.
The libmd now is moved to dports security/libmd for compatibility.

Also remove lone rmd160.h

world: Remove libmd from the base.

Everything in base has been converted to use pure LibreSSL hash API.
The libmd now is moved to dports security/libmd for compatibility.

Also remove lone rmd160.h header that was added directly to include/.

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Remove lint checks in system headers.

Modern checkers do not (need to) pass this anymore to the build.

Don't include the full <sys/signal.h> in headers that just need sigset_t.

Namely, <select.h> and <spawn.h>.

Split it out into a separate header, <sys/_sigset_t.h> and include that
in <spawn.h> and

Don't include the full <sys/signal.h> in headers that just need sigset_t.

Namely, <select.h> and <spawn.h>.

Split it out into a separate header, <sys/_sigset_t.h> and include that
in <spawn.h> and <sys/select.h>.

This cleans up these two headers' name space considerably.

Thanks to zrj for testing with a dports bulk build.

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<assert.h>: Sync comments a bit with FreeBSD.

<assert.h>: add missing __dead2 to __assert().

__assert() is called when an assertion fails. After printing an error
message, it will call abort(). abort() never returns, hence it has the
__dead2 at

<assert.h>: add missing __dead2 to __assert().

__assert() is called when an assertion fails. After printing an error
message, it will call abort(). abort() never returns, hence it has the
__dead2 attribute. Also add this attribute to __assert().

Taken-from: FreeBSD (r217207)
Submitted-by: Jan Beich

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Remove any remaining traces of varargs.h.

This is a follow-up of b3a17fb68c15a4c57da6867f1b2119587b7a68a8.

libc: Add dup3() from FreeBSD.

As proposed in http://austingroupbugs.net/view.php?id=411

It seems to help with various ports.

Pointed-out-by: zrj

<unistd.h>: Move eaccess() prototype to a better place.

<netdb.h>: Add whitespace in a prototype.

<unistd.h>: FWIW, set _XOPEN_ENH_I18N, per the standard.

We support all functions that it originally required, when it was
still optional. It won't have any impact on anything, as far as I
can see,

<unistd.h>: FWIW, set _XOPEN_ENH_I18N, per the standard.

We support all functions that it originally required, when it was
still optional. It won't have any impact on anything, as far as I
can see, so this commit is more cosmetic than anything else.

While here, improve some comments.

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<unistd.h>: Bump _POSIX_THREAD_SAFE_FUNCTIONS to 200112L.

It became non-optional anyway in 200809. We have all the functions
that 200112 required in the option, so I don't see why not.

Thanks to zr

<unistd.h>: Bump _POSIX_THREAD_SAFE_FUNCTIONS to 200112L.

It became non-optional anyway in 200809. We have all the functions
that 200112 required in the option, so I don't see why not.

Thanks to zrj for checking with a dports bulk build.

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<time.h>: Provide time2posix(), posix2time() prototypes.

They have a manual page too. Also provide offtime() and timeoff()
prototypes.

Fixes some -Wmissing-prototypes warnings.

<string.h>: Remove legacy declaration of swab().

It has prototype in <unistd.h> like in other BSDs and GNU implementations
as per OpenGroups XSI.