route6d(8) on OpenBSD
The text 1fa715519abd, as OpenBSD 4.3, OpenBSD 4.2 shipped it.
RIP6 routing daemon
Flags it lists
-
-A -
-D -
-L -
-O -
-R -
-S -
-a -
-d -
-h -
-l -
-n -
-q -
-s -
-t