oakley_hash
natd = oakley_hash (buf, iph1);
hash = oakley_hash(buf, iph1);
hash = oakley_hash(buf, iph1);
newivm->iv = oakley_hash(buf, iph1);
if ((newivm->iv = oakley_hash(buf, iph1)) == NULL)
extern vchar_t *oakley_hash(vchar_t *, struct ph1handle *);