static struct cluster_list *cluster_parse(struct in_addr *pnt, int length)
{
	struct cluster_list tmp;
	struct cluster_list *cluster;

	tmp.length = length;
	tmp.list = pnt;

	cluster = hash_get(cluster_hash, &tmp, cluster_hash_alloc);
	cluster->refcnt++;
	return cluster;
}
static struct cluster_list *cluster_parse(struct in_addr *pnt, int length)
{
	struct cluster_list tmp;
	struct cluster_list *cluster;

	tmp.length = length;
	tmp.list = pnt;

	cluster = hash_get(cluster_hash, &tmp, cluster_hash_alloc);
	cluster->refcnt++;
	return cluster;
}