396b87b8c2
This also removes the loif array and changes all code to use the new lo0ifp pointer which points to the lo0 ifnet structure. Approved by christos.
In case you were wondering why this code is still present: The ISO (or OSI) stack is still in use by many router vendors (e.g., using IS-IS the OSI equivalent of OSPF, to carry IP routes). Chris. chopps@NetBSD.org