rib_del_route_px
return (rib_del_route_px(fibnum, dst, plen, match_gw_one, &gwd, op_flags, rc));
int rib_del_route_px(uint32_t fibnum, struct sockaddr *dst, int plen,
rib_del_route_px(fibnum, (struct sockaddr *)&sin6, 128,
error = rib_del_route_px(fibnum, (struct sockaddr *)&dst, 0,
error = rib_del_route_px(attrs.rta_table, attrs.rta_dst,