>Well, I've found getifaddrs() at kame/kame/pma/misc.c and
>declaration of ifaddrs{} at bsdi4/include/ifaddrs.h in
>KAME snap-shot.
To be more license-wise correct, I suggest you to get free 60-day
evaluation CDROM from bsdi before go on.
it does not contain any of soure code tree but comes with real headers.
(www.bsdi.com)
itojun