230 	struct iovec		 iov[4];  in vroute_setaddr()  local
236 	iov[0].iov_base = addr;  in vroute_setaddr()
237 	iov[0].iov_len = addr->sa_len;  in vroute_setaddr()
247 		iov[1].iov_base = &mask4;  in vroute_setaddr()
248 		iov[1].iov_len = sizeof(mask4);  in vroute_setaddr()
257 		iov[1].iov_base = &mask6;  in vroute_setaddr()
258 		iov[1].iov_len = sizeof(mask6);  in vroute_setaddr()
265 	iov[2].iov_base = &ifidx;  in vroute_setaddr()
266 	iov[2].iov_len = sizeof(ifidx);  in vroute_setaddr()
270 	    add ? IMSG_IF_ADDADDR : IMSG_IF_DELADDR, iov, iovcnt));  in vroute_setaddr()
329 	struct iovec		 iov[2];  in vroute_setdns()  local
331 	iov[0].iov_base = addr;  in vroute_setdns()
332 	iov[0].iov_len = addr->sa_len;  in vroute_setdns()
334 	iov[1].iov_base = &ifidx;  in vroute_setdns()
335 	iov[1].iov_len = sizeof(ifidx);  in vroute_setdns()
338 	    add ? IMSG_VDNS_ADD: IMSG_VDNS_DEL, iov, 2));  in vroute_setdns()
525 	struct iovec		 iov[5];  in vroute_setroute()  local
533 	iov[iovcnt].iov_base = &rdomain;  in vroute_setroute()
534 	iov[iovcnt].iov_len = sizeof(rdomain);  in vroute_setroute()
537 	iov[iovcnt].iov_base = dst;  in vroute_setroute()
538 	iov[iovcnt].iov_len = dst->sa_len;  in vroute_setroute()
549 			iov[iovcnt].iov_base = in;  in vroute_setroute()
550 			iov[iovcnt].iov_len = sizeof(*in);  in vroute_setroute()
559 			iov[iovcnt].iov_base = in6;  in vroute_setroute()
560 			iov[iovcnt].iov_len = sizeof(*in6);  in vroute_setroute()
565 		iov[iovcnt].iov_base = addr;  in vroute_setroute()
566 		iov[iovcnt].iov_len = addr->sa_len;  in vroute_setroute()
570 	return (proc_composev(&env->sc_ps, PROC_PARENT, type, iov, iovcnt));  in vroute_setroute()
712 	struct iovec		 iov[3];  in vroute_dodns()  local
727 	iov[iovcnt].iov_base = &rtm;  in vroute_dodns()
728 	iov[iovcnt].iov_len = sizeof(rtm);  in vroute_dodns()
752 	iov[iovcnt].iov_base = &rtdns;  in vroute_dodns()
753 	iov[iovcnt++].iov_len = sizeof(rtdns);  in vroute_dodns()
756 		iov[iovcnt].iov_base = &pad;  in vroute_dodns()
757 		iov[iovcnt++].iov_len = padlen;  in vroute_dodns()
761 		rtm.rtm_msglen += iov[i].iov_len;  in vroute_dodns()
764 	if (writev(ivr->ivr_rtsock, iov, iovcnt) == -1)  in vroute_dodns()
775 	struct iovec		 iov[7];  in vroute_doroute()  local
794 	iov[iovcnt].iov_base = &rtm;  in vroute_doroute()
795 	iov[iovcnt].iov_len = sizeof(rtm);  in vroute_doroute()
799 		iov[iovcnt].iov_base = dest;  in vroute_doroute()
800 		iov[iovcnt].iov_len = dest->sa_len;  in vroute_doroute()
804 			iov[iovcnt].iov_base = &pad;  in vroute_doroute()
805 			iov[iovcnt].iov_len = padlen;  in vroute_doroute()
811 		iov[iovcnt].iov_base = addr;  in vroute_doroute()
812 		iov[iovcnt].iov_len = addr->sa_len;  in vroute_doroute()
816 			iov[iovcnt].iov_base = &pad;  in vroute_doroute()
817 			iov[iovcnt].iov_len = padlen;  in vroute_doroute()
823 		iov[iovcnt].iov_base = mask;  in vroute_doroute()
824 		iov[iovcnt].iov_len = mask->sa_len;  in vroute_doroute()
828 			iov[iovcnt].iov_base = &pad;  in vroute_doroute()
829 			iov[iovcnt].iov_len = padlen;  in vroute_doroute()
835 		rtm.rtm_msglen += iov[i].iov_len;  in vroute_doroute()
849 	if (writev(ivr->ivr_rtsock, iov, iovcnt) == -1) {  in vroute_doroute()