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 261518:
- Update a few places to account for va_copy().
- Create a separate 'return values' section and move some statements about
return values to that section.
- Note that each invocation of va_start() and va_copy() must be paired with
va_end() in the same function.

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

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

Sort sections.

Mechanically kill hard sentence breaks and double whitespaces.

mdoc(7): Use the new feature of the .In macro.

mdoc(7) police: scheduled sweep.

Approved by: re

Update the Standards section for the addition of the C99 va_copy macro.

Implement C99's va_copy() macro.

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

Remove unused variable in example.

Removed whitespace at end-of-line; no content changes. I simply did
cd src/share; find man[1-9] -type f|xargs perl -pi -e 's/[ \t]+$//'

BTW, what editors are the culprits? I'm using vim and it shows
me whitespace at EOL in troff files with a thick blue block...

Reviewed by: Silence from cvs diff -b
MFC after: 7 days

.St -ansiC -> .St -isoC

mdoc(7) police: use the new features of the Nm macro.

$Id$ -> $FreeBSD$

add missing cvs Id lines.

I just found a bug in my program, I was calling va_arg (..., char),
when parsing a printf-like arg list. Looking for someone to blame,
I noticed that the man page has a bad example. It clearly says at
the top that types following the last known argument are passed after
their default type conversions, and then later the example uses

va_arg (..., char);

so I fixed it.

This commit was generated by cvs2svn to compensate for changes in r1638,
which included commits to RCS files with non-trunk default branches.

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