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Date: Fri, 1 Jun 2007 17:38:35 -0600
From: John E Hein <jhein@timing.com>
To: bsenthil <bsenthil@adventnet.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: get/set  ifconfig entries through by programmatically
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bsenthil wrote at 01:46 +0530 on Jun  2, 2007:
 > Is it possible to get/set  ifconfig entries through by programmatically. 
 > If yes, please send me the code snippet ...
 > 
 > I am trying to get/set ipaddress by executing the command "ifconfig" .

- use SIOCAIFADDR ioctl; man netintro(4)
- see source code in /usr/src/sbin/ifconfig
- the hacky approach using system(3): system("ifconfig fxp0 1.2.3.4/24");

[cross-post to embedded@freebsd.org removed]