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

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

Per Regents of the University of Calfornia letter, remove advertising
clause.

# If I've done so improperly on a file, please let me know.

Use posix_memalign() in valloc() rather than making assumptions about
the alignment of malloc()ed memory.

Approved by: markm (mentor)

Fix the style of the SCM ID's.
I believe have made all of libc .c's as consistent as possible.

Fix a cast from a pointer to a long instead of an int which was enough
to ruin a 64-bit day.

This commit was generated by cvs2svn to compensate for changes in r1573,
which included commits to RCS files with non-trunk default branches.

BSD 4.4 Lite Lib Sources