IFC @ r242684

Sync from head

Fix warnings found by -Wmising-variable-declarations.

This self-written compiler warning, which is hopefully going to be
committed into LLVM sources soon, warns about potentially missing
`static' ke

Fix warnings found by -Wmising-variable-declarations.

This self-written compiler warning, which is hopefully going to be
committed into LLVM sources soon, warns about potentially missing
`static' keywords, similar to -Wmissing-prototypes.

- bin/pax: Move external declaration of chdname and s_mask into extern.h.
- bin/setfacl: Move setfacl.c-specific stuff out of setfacl.h.
- sbin/mount_fusefs: Remove char *progname; use getprogname().
- others: add `static' where possible.

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IFC @ r222256

MFC

Fix a bunch of typos and a couple of whitespace nits.

Helped by: codespell and vim's spellchecker

Remove clause 3 from the UCB licenses.

OK'ed by: imp, core

Make NULL a (void*)0 whereever possible, and fix the warnings(-Werror)
that this provokes. "Wherever possible" means "In the kernel OR NOT
C++" (implying C).

There are places where (void *) pointers

Make NULL a (void*)0 whereever possible, and fix the warnings(-Werror)
that this provokes. "Wherever possible" means "In the kernel OR NOT
C++" (implying C).

There are places where (void *) pointers are not valid, such as for
function pointers, but in the special case of (void *)0, agreement
settles on it being OK.

Most of the fixes were NULL where an integer zero was needed; many
of the fixes were NULL where ascii <nul> ('\0') was needed, and a
few were just "other".

Tested on: i386 sparc64

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Fix a bazillion warnings. This makes almost the whole of src/bin/*
WARNS=6, std=c99 clean.

Tested on: i386, alpha

Fix signed/unsigned mix comparisons involving sizeof.

Correct typos, mostly s/ a / an / where appropriate. Some whitespace cleanup,
especially in troff files.

Removed extra $FreeBSD$. Moved #if 0 for the vendor id to the correct
place. Restored indent protection of copyright comment.

s/filesystem/file system/ as discussed on -developers

Consistently use FBSDID

Consistancy check s/file system/filesystem/

Reviewed by: brian

Do not return(f_returning_void());. Spell FALLTHROUGH to make it lint()able.

Ooops, forgot to remove the registers here.

o __P has been reoved
o Old-style K&R declarations have been converted to new C89 style
o register has been removed
o prototype for main() has been removed (gcc3 makes it an error)
o int main(int arg

o __P has been reoved
o Old-style K&R declarations have been converted to new C89 style
o register has been removed
o prototype for main() has been removed (gcc3 makes it an error)
o int main(int argc, char *argv[]) is the preferred main definition.
o Attempt to not break style(9) conformance for declarations more than
they already are.

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Sync up with OpenBSD. Too many changes to note, but the major features
are:
* Implement cpio compatibility mode when pax is invoked as cpio
* Extend tar compatibility mode to cover many of the GNU t

Sync up with OpenBSD. Too many changes to note, but the major features
are:
* Implement cpio compatibility mode when pax is invoked as cpio
* Extend tar compatibility mode to cover many of the GNU tar single-letter
options (bzip2 mode, aka -y/-j is not present in OpenBSD). When
invoked as tar, pax is now full-featured enough for use by the ports
collection to extract distfiles and create packages.
* Many bug fixes to the operation of pax and the tar compatibility modes
* Code fixes for things like correct string buffer termination.

I tried to preserve existing FreeBSD fixes to this utility; please let me
know if I have inadvertently spammed something.

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Add -z flag to pax to allow gzipping of archive output. Add -z and -Z (gzip
and compress) to pax when used in tar mode (invoked as 'tar') for
compatibility with GNU tar.

bzip2 functionality for fur

Add -z flag to pax to allow gzipping of archive output. Add -z and -Z (gzip
and compress) to pax when used in tar mode (invoked as 'tar') for
compatibility with GNU tar.

bzip2 functionality for further GNU tar compatibility will be added at a
later date.

Note in the manpage that -z is non-standard.

Obtained from: OpenBSD
Reviewed by: -hackers
MFC after: 2 weeks

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Whitespace cleanup pass; reduce diffs with OpenBSD. No functional changes.

Reduce diffs with OpenBSD:
#if __STDC__ -> #ifdef __STDC__
pax_warn() -> paxwarn()
sys_warn() -> syswarn()
(foo *)NULL -> NULL
bcopy -> memmove()/memcpy()
bzero -> memset()
Typo fixes

Reduce diffs with OpenBSD:
#if __STDC__ -> #ifdef __STDC__
pax_warn() -> paxwarn()
sys_warn() -> syswarn()
(foo *)NULL -> NULL
bcopy -> memmove()/memcpy()
bzero -> memset()
Typo fixes
sprintf() -> snprintf()
rindex() -> strrchr()
index() -> strchr()
sys_errlist[] -> strerror()

Obtained from: OpenBSD

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Fix typo: seperate -> separate.

Seperate does not exist in the english language.

Submitted to look at by: kris

Don't explicitly declare optarg and optind. These are declared in
unistd.h, which is already included.

$Id$ -> $FreeBSD$