On Sun, 20 Feb 2005, Christos Zoulas wrote:

>> Someone will correct me if I'm wrong, but I think ppi(4) is an
>> experimental facility that comes from FreeBSD.  FreeBSD has a man page,
>> I think.  If you test ppi and find it satisfactory, send-pr the man page,
>> cc'ing me, and I make sure it is imported.  Also, send-pr if ppi does
>> not work right.
>>
> Someone needs to import ppi.c and ppi.h too. It looks straight forward,
> but I don't have hardware to test this.

I tried ppui.c and ppui.h from netbsd-ppbus.sourceforge.net with NetBSD 
2.0. I'm not sure why the name is different, but it describes the same 
thing.

I can confirm that this combination is able to interrogate a PIC16F84A 
using home-built programming hardware.

-- 
Gillette - the best a man can forget