comment: `#ifdef SIOCGIFMTU' may be unnecessary (i.e. no portability issue on this ioctl)
comment: `#ifdef SIOCGIFMTU' may be unnecessary (i.e. no portability issue
on this ioctl)

MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame