prettiness police; From: Charles Hannum <mycroft@NetBSD.ORG>

4.4BSD snapshot (revision 8.1); add 1993 to copyright

convert kinfo to sysctl

ifm_flags is a signed short and IFF_MULTICAST gets propagated ruinning
private flags

use per-address metrics

use kinfo to survey interface list, and use routing socket instead of
old ioctls

ANSI

new copyright notice

skip over ISO interfaces

add pathnames.h

working with dynamic updates, auto-loading timer; tracing additions and fixes

install approved copyright notice

missed a few: make default, local-loop routes have metric 1,
as not incremented when sent; check for 0 on input (can't be right)

allow multiple pt-pt links with same source address;
mark loopback IFF_PASSIVE; finish perspective change

add Berkeley specific headers

don't bother to ping loopback

rework interface metrics to invert perspective; other misc. fixes

finish up interface metric code: store metric from our perspective,
plus increment for those we send to; delete route from kernel when unreachable,
but keep in tables to advertise deletion

delicately balanced on the point of a pin...

try again; can't block subnet 0 with internal "network" route

don't send net route to subnet gw's unless on subnet 0;
a few checks for imposters; bug fix in "external" route configuration;
rm loopback net defn.

changes to allow subnets to remain local, propogate net route
where subnets don't go, and allow external routes from /etc/gateways
to block routed from installing routes from elsewhere

want to act as supplier if we have only a single point-point link;
can't run timer on any interfaces if not a supplier

Add copyright