Use <fcntl.h> instead of <sys/file.h> for open()'s prototype and flags.

pf: Fix bzero() argument.

Intention here is to zero out the local pfioc_trans structure and not the
char *t puinter.

Caught-by: gcc80 -Wstringop-overflow

kernel - Revert "Fix buildworld."

* Fix PF in a different way, by conditionalizing the inclusion of
struct pf_state instead of conditionalizing all the use cases for
pfvar.h.

* This reverts com

kernel - Revert "Fix buildworld."

* Fix PF in a different way, by conditionalizing the inclusion of
struct pf_state instead of conditionalizing all the use cases for
pfvar.h.

* This reverts commit 56e2aaa4d1de560d06f713866ab834747982f839.

* Reorders pfvar.h a bit and conditionalizes struct pf_state { }.

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Fix buildworld.

Due to adding a struct lock to struct pf_state in one of the recent
pf(4) commits, we have to define _KERNEL_STRUCTURES in everything
which includes pfvar.h.

libutil: Various updates from FreeBSD, esp. pid_* functions

It appears that libutil.so is another Frankenstein monster where half
of it came from FreeBSD and later it was updated with NetBSD functio

libutil: Various updates from FreeBSD, esp. pid_* functions

It appears that libutil.so is another Frankenstein monster where half
of it came from FreeBSD and later it was updated with NetBSD functions.
Like libm, this causes problems with syncing later.

In order to update the daemon program, the set of pidfile_* functions
had to be brought in from FreeBSD. While doing that, I synced with
FreeBSD as much as possible. The expand number function was added
as well as a dedicated pw_util man page.

Specifically ignored were FreeBSD functionality involving kinfo and kld.
The login functions are essentially incompatible as the FreeBSD ones
require syscntls, so I left the NetBSD versions alone. The various
humanize functions that only exist on DragonFly were also left untouched.

Collateral damage included:
sbin/devd/devd.[ch][ch] (partial sync)
usr.sbin/authpf/authpf.c (partial sync)
usr.sbin/apmd/apmd.c
usr.sbin/battd/battd.c
usr.sbin/bthcid/bthcid.c
usr.sbin/pflogd/pflogd.c
usr.sbin/rwhod/rwhod.c
usr.sbin/syslogd/ (full sync)
usr.sbin/sysvipcd/sysvipcd.c

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Initial import of binutils 2.22 on the new vendor branch

Future versions of binutils will also reside on this branch rather
than continuing to create new binutils branches for each new version.

Clean (void) casts from usr.sbin

Uesrland part of PF

Obtained-from: OpenBSD
Ported-by: Devon O'Dell and Simon 'corecode' Schubert

Additioncally, do a pass over the code to get it WARNS=6 clean.
This means mostly fixing const'ness

Uesrland part of PF

Obtained-from: OpenBSD
Ported-by: Devon O'Dell and Simon 'corecode' Schubert

Additioncally, do a pass over the code to get it WARNS=6 clean.
This means mostly fixing const'ness of strings and cleanup sign/unsigned
comparisions. The warnings in authpf about unused arguments have been
removed by use of __unused.

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pf: Update packet filter to the version that comes with OpenBSD 4.1

The original OpenBSD 4.1 defaults to "keep state flags S/SA" for
all pass rules. In contrast to that we default to "no sta

pf: Update packet filter to the version that comes with OpenBSD 4.1

The original OpenBSD 4.1 defaults to "keep state flags S/SA" for
all pass rules. In contrast to that we default to "no state". As
in earlier verions of pf in DragonFly the default keep-state
policy can still be set with the keep-policy option (e.g. "set
keep-policy keep state (pickups)").

DragonFly additions to pf have been kept: fairq support,
pickups.

Detailed Info on changes/additions:
* ALTQ: Fix altq to work with pf_mtag
Patch by Matthew Dillon
* libkern: Revert commit e104539
strchr was added to libkern.h together with strrch
* net/if.h: add interface groups
Imported from FreeBSD.
* netinet6/in6.h: add macros
IN6_IS_ADDR_MC_INTFACELOCAL
IN6_IS_SCOPE_EMBED
PV6_ADDR_SCOPE_INTFACELOCAL
* sys/libkern.h: Add strchr and strrchr as inline functions
Brought in from FreeBSD
* sys/net/if_var.h: Import interface groups
Import interface groups and event handlers from FreeBSD
* sys/net/if_var.h: add if_pf_kif, if_groups to struct ifnet
obtained from: Open/FreeBSD
* net/if_types.h: add IFT_ENC to non-IATA-assignments
obtained from Open/FreeBSD
* net/bpf.c: add bpf_mtap_hdr from OpenBSD
Con up a minimal dummy header to pacify bpf. Allocate
(only) a struct m_hdr on the stack.

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