From owner-freebsd-hackers  Thu Sep 14  1:56:25 2000
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Date: Thu, 14 Sep 2000 09:56:22 +0100
From: David Malone <dwmalone@maths.tcd.ie>
To: Chris Ptacek <ptacek@dashmail.net>
Cc: freebsd-hackers@FreeBSD.ORG
Subject: Re: Getting all the IP address for a machine from code...
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References: <NEBBKLEDAJJJDAPGJFBIGENICNAA.ptacek@dashmail.net>
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In-Reply-To: <NEBBKLEDAJJJDAPGJFBIGENICNAA.ptacek@dashmail.net>; from ptacek@dashmail.net on Wed, Sep 13, 2000 at 08:12:47PM -0700
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On Wed, Sep 13, 2000 at 08:12:47PM -0700, Chris Ptacek wrote:
> I am looking for a way to get all the IP addresses that are configured a
> machine.  I need to do this in c source code, and without using DNS services
> (ie: gethostname/gethostbyname won't work).  I am hoping there are some
> system calls I can use to get this information.  Thanks in advance for any
> help.

You could use getifaddrs in FreeBSD 4 and later - otherwise you'll
need to use sysctl to get the list of interfaces and addresses.

	David.


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