Subject: Re: IPv4 multicast set/getsockopt, specifying interface index
To: None <thorpej@zembu.com>
From: None <itojun@iijlab.net>
List: tech-net
Date: 01/14/2001 12:18:36 
> > 	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.

	actually, in a second thought i think it not necessary.
	for normal usage the behavior is highly compatible.

itojun