rt_getifa         819 net/route.c    		if (info->rti_ifa == 0 && (error = rt_getifa(info)))
rt_getifa         355 net/route.h    int	 rt_getifa(struct rt_addrinfo *);
rt_getifa         381 net/rtsock.c   			if ((error = rt_getifa(&info)) != 0)