> It was bumped when sockaddr_storage was added, so it's different in 4
> and current.  Before 1.200, SIOCGIFCONF was broken in current.  (Dhcpd
> was and still is broken, but now the latent bug is causing trouble - but
> I realize that this is overly harsh because the interface was never well
> defined.)
> 
> Are you suggesting that we have binary compat among versions of current,
> even for bugfixes that cause trouble?

Nope; I hadn't realized that the ioctl was bumped at all. In this case,
I think it's reasonable for people to recompile and Just Deal.