Subject: Re: IPv4 multicast set/getsockopt, specifying interface index
To: None <>
From: Jason R Thorpe <>
List: tech-net
Date: 01/13/2001 15:24:37
On Sat, Jan 13, 2001 at 01:44:41PM +0900, wrote:

 > 	another question, should we keep the old behavior 100% compatible
 > 	by assigning a new setsockopt number and keeping the old one
 > 	as IP_MULTICAST_OIF or whatever?

That might be a good idea.  You could then test for the feature by
checking to see if OIP_MULTICAST_IF is defined.

        -- Jason R. Thorpe <>