[PATCH FOR REVIEW] kqueue'ify inetd(8) and several other cleanups

[Xin LI]

Dear folks,

Here is a patchset that taught inetd(8) about kqueue, and some other
cleanups that raises WARNS level from 2 to 3, etc.

http://people.freebsd.org/~delphij/for_review/patch-inetd-kqueue

The kqueue part was a continuation of jmg@'s patchset.

Thanks in advance!

Cheers,