wipe away the remaining code fragments which might be inherited from rsvpd.
wipe away the remaining code fragments which might be
inherited from rsvpd.

history note:
	the first version of this file was derived from
	rtap_main.c in the rsvpd package from USC/ISI.
	basically it's just a skelton of a select loop
	but I also didn't add much so that I simply put the
	original USC copyright on this file.
	in 2001, the OpenBSD team started a campaign to sweep
	copyrights which include "without fee". (they claim
	it's an ambiguous expression but many people don't
	quite understand it.)
	Theo and I had a chance to talk to the rsvp team at IETF
	in August 2001, and requested them to update the copyright.
	the rsvp guys said "the imported code fragments in this
	file are very small.  it's better to replace the copyright
	by rewriting them, rather than going through the lawers
	for copyright update.  then, Theo modified this file and
	removed the USC copyright.
	but some people without the knowledge of the background
	expressed concerns about Theo's removing the USC copyright.
	this commit is to clear up the issue.

MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame