355 	struct route ro;  in arprequest_internal()  local
414 	bzero(&ro, sizeof(ro));  in arprequest_internal()
424 	ro.ro_prepend = linkhdr;  in arprequest_internal()
425 	ro.ro_plen = linkhdrsize;  in arprequest_internal()
426 	ro.ro_flags = 0;  in arprequest_internal()
430 	error = (*ifp->if_output)(ifp, m, &sa, &ro);  in arprequest_internal()
783 	struct route ro;  in in_arpinput()  local
1096 	bzero(&ro, sizeof(ro));  in in_arpinput()
1111 	ro.ro_prepend = linkhdr;  in in_arpinput()
1112 	ro.ro_plen = linkhdrsize;  in in_arpinput()
1113 	ro.ro_flags = 0;  in in_arpinput()
1116 	(*ifp->if_output)(ifp, m, &sa, &ro);  in in_arpinput()
1147 	struct route ro = {  in arp_flush_holdchain()  local
1159 		(*ifp->if_output)(ifp, m_hold, (struct sockaddr *)&sin, &ro);  in arp_flush_holdchain()