Symbol: rt_use
sys/net/route.c
2066
rt->rt_flags, rt->rt_refcnt.r_refs, rt->rt_use, rt->rt_expire);
sys/net/route.c
358
rt->rt_use++;
usr.bin/netstat/route.c
297
printf("%5u %8lld ", rt->rt_refcnt.r_refs - 1, rt->rt_use);