sysctl(3) interface

[Dag-Erling Smørgrav]

Daniel Rudy <dr2867 at pacbell.net> writes:
> I've been taking apart and analyzing the sysctl(8) program to gain a
> better insight into how to use the sysctl(3) interface.  [...]
> It's using an oid of 0 and 2 to get something, then it comes up with 440
> and then a sequence of numbers that are incrementing in a peculiar
> pattern.

sysctl(8) uses undocumented interfaces to a) enumerate the nodes in
the sysctl tree and b) obtain the name of a node, given its OID.

> So, my question is, how do I walk the tree to get the PnP info for all
> the devices in the system?

man 3 devinfo

DES
-- 
Dag-Erling Smørgrav - des at des.no