358 	struct route ro;  in arprequest_internal()  local
417 	bzero(&ro, sizeof(ro));  in arprequest_internal()
427 	ro.ro_prepend = linkhdr;  in arprequest_internal()
428 	ro.ro_plen = linkhdrsize;  in arprequest_internal()
429 	ro.ro_flags = 0;  in arprequest_internal()
433 	error = (*ifp->if_output)(ifp, m, &sa, &ro);  in arprequest_internal()
798 	struct route ro;  in in_arpinput()  local
1120 	bzero(&ro, sizeof(ro));  in in_arpinput()
1135 	ro.ro_prepend = linkhdr;  in in_arpinput()
1136 	ro.ro_plen = linkhdrsize;  in in_arpinput()
1137 	ro.ro_flags = 0;  in in_arpinput()
1140 	(*ifp->if_output)(ifp, m, &sa, &ro);  in in_arpinput()
1171 	struct route ro = {  in arp_flush_holdchain()  local
1183 		(*ifp->if_output)(ifp, m_hold, (struct sockaddr *)&sin, &ro);  in arp_flush_holdchain()