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

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

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

General mdoc(7) and typo fixes.

PR: 167713
Submitted by: Nobuyuki Koganemaru (kogane!jp.freebsd.org)

Move msg{snd,recv,get,ctl} manual pages from section 3 to 2.

Approved by: re (kib)

Document what "msgsz" argument really denotes. [1]

Don't say that "msgsz" can be less than 0, it cannot
as it's unsigned (POSIX has the same bug).

PR: docs/101145 [1]
MFC after: 3 days

Sort sections.

Add const qualifier to data argument for msgsnd.

PR: standards/45274
Submitted by: Craig Rodrigues <rodrigc@attbi.com>

mdoc(7) police: "The .Fa argument.".

mdoc(7) police: "The .Fn function".

mdoc(7) police: Use the new .In macro for #include statements.

mdoc(7) police: s/NetBSD/.Nx/ where appropriate.

Use the ``.Rv -std'' mdoc(7) macro in appropriate cases.

Reviewed by: ru

mdoc(7) police: removed HISTORY info from the .Os call.

Use Fx macro wherever possible.

Whitespace only change: trim trailing whitespace.

Introduce ".Lb" macro to libc manpages.

More libraries manpages updates following.

Remove single-space hard sentence breaks. These degrade the quality
of the typeset output, tend to make diffs harder to read and provide
bad examples for new-comers to mdoc.

Correct placement of $FreeBSD$ CVS identifier.

Change ``from'' to ``to''.

PR: 15729
Submitted by: Kim Toms

$Id$ -> $FreeBSD$

Add missing cause for an EINVAL return (msgtype < 1).

PR: 12783
Submitted by: Kevin Day <toasty@dragondata.com>

Fixed spelling of EACCES.

Mdoc cleanup.

.Os NetBSD -> .Os FreeBSD.
The pages are not NetBSD specific and FreeBSD is not a child of NetBSD.

Added man pages for msgctl(3), msgget(3), msgrcv(3) and msgsnd(3).

Obtained from: NetBSD