In some email I received from itojun@iijlab.net, sie wrote:
> >Has anyone looked at implementing RFC 2113 for NetBSD ?
> 
> 	the difficult question is, with what kind of API?

hmmm, maybe this is exposing my ignorance about it :)  nearly all the
Ipv4 options are manipulated in one way or another vis setsockopt &
getsockopt.  What's required?

Darren