In some email I received from itojun@iijlab.net, sie wrote:
> >While it might look like it, it does more than just that.  If you cared
> >to look at what is "current" IPFilter code, you'd see that the interface
> >has changed throughout the code and even become "normalised" in a manner
> >that almost suggests a real design (it hasn't been so I won't claim it.)
> 
> 	ok, is it available through your webpage?  i was looking at IPFilter
> 	in netbsd-current tree.

Yes it is.

Darren