From owner-freebsd-ipfw@FreeBSD.ORG  Mon Mar 26 06:39:01 2007
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Date: Mon, 26 Mar 2007 12:09:00 +0530
From: "arjun badarinath" <arjunbadarinath@gmail.com>
To: freebsd-ipfw@freebsd.org
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Subject: System calls
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Hi all,
         I wanted to know wat these system calls actually do .
 ip_dn_ctl_ptr
 ip_dn_io_ptr
 ip_dn_ruledel_ptr

Regards
Arjun