oifa              654 net/route.c    		struct ifaddr	*oifa = ifa;
oifa              657 net/route.c    			ifa = oifa;
oifa              396 net/rtsock.c   				struct ifaddr *oifa = rt->rt_ifa;
oifa              397 net/rtsock.c   				if (oifa != ifa) {
oifa              398 net/rtsock.c   				    if (oifa && oifa->ifa_rtrequest)
oifa              399 net/rtsock.c   					oifa->ifa_rtrequest(RTM_DELETE, rt,