rip6_input        146 netinet6/in6_proto.c   rip6_input,	rip6_output,	rip6_ctlinput,	rip6_ctloutput,
rip6_input        234 netinet6/in6_proto.c   rip6_input,	rip6_output,	0,		rip6_ctloutput,
rip6_input       1907 netinet6/ip6_mroute.c 	rip6_input(&m, offp, proto);
rip6_input        309 netinet6/ip6_var.h int	rip6_input(struct mbuf **mp, int *offp, int proto);