DST_OBSOLETE_NONE
dst_init(dst, &dst_blackhole_ops, NULL, DST_OBSOLETE_NONE,
dst_init(&ilwt->null_rt.dst, NULL, NULL, DST_OBSOLETE_NONE, DST_NOCOUNT);
DST_OBSOLETE_NONE, DST_NOCOUNT);
DST_OBSOLETE_NONE, DST_NOCOUNT);
DST_OBSOLETE_NONE, DST_NOCOUNT);
DST_OBSOLETE_NONE, DST_NOCOUNT);
xdst = dst_alloc(dst_ops, NULL, DST_OBSOLETE_NONE, 0);