rtcmd
rlen = rtcmd(RTM_ADD, &rt->rt_dst, &rt->rt_router,
rlen = rtcmd(RTM_ADD, &rt->rt_dst, &rt->rt_router,
rlen = rtcmd(RTM_DELETE, &oldroute.rt_dst,
rlen = rtcmd(RTM_ADD, &rt->rt_dst, &rt->rt_router,
rlen = rtcmd(RTM_DELETE, &rt->rt_dst,