Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.Prune svn:mergeinfo from the new branch, as nothing has been mergedhere.Additional commits post-branch will follow.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
Add unistd.h to the getosreldate(3) manpage.Update referenced example to include unistd.h per manpage.Update example to be more style(9)-ish, silence warnings and addFreeBSD id to the source file.
Remove trailing whitespace.
Added example of how to tell various FreeBSD versions apart.