> Otherwise, you
> could port NetBSD disklabel...   :'|

Someone (Jonathan?) has already done this.  I have a disklabel
binary that runs under Ultrix that I picked up last September or
October (probably from gregorio.stanford.edu) which is what I used
to put the label and boot blocks on my netbsd disk last October.
The RCS ID is:

$Id: disklabel.c,v 1.18 1994/09/30 02:33:15 mycroft Exp $

for what that's worth.

-- 
Ted Spradley   tsprad@metronet.com      Usual disclaimers apply.
Information tends to drive out knowledge.  [...] many people cannot
tell the difference between information and knowledge, not to mention
wisdom, which even knowledge tends sometimes to drive out. -Heinz Pagels