Date: Wed, 31 Jan 2007 11:10:26 +0100 From: des@des.no (Dag-Erling =?iso-8859-1?Q?Sm=F8rgrav?=) To: Daniel Rudy <dr2867@pacbell.net> Cc: freebsd-hackers@freebsd.org Subject: Re: sysctl(3) interface Message-ID: <86k5z3jylp.fsf@dwp.des.no> In-Reply-To: <45BB72D6.9070809@pacbell.net> (Daniel Rudy's message of "Sat, 27 Jan 2007 07:42:14 -0800") References: <45BB72D6.9070809@pacbell.net>
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Daniel Rudy <dr2867@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 --=20 Dag-Erling Sm=F8rgrav - des@des.no
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