Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
track gratuitous change to sys/i386/include/reg.h
Fix the style of the SCM ID's.I believe have made all of libc .c's as consistent as possible.
Add a couple of debug register helper functions to assist in settingand clearing watchpoints.Reviewed by: jwd@FreeBSD.org, -hackers@