dnslabel_clear(struct dnslabel_table *table)
{
	int i;
	for (i = 0; i < table->n_labels; ++i)
		mm_free(table->labels[i].v);
	table->n_labels = 0;
}
dnslabel_clear(struct dnslabel_table *table)
{
	int i;
	for (i = 0; i < table->n_labels; ++i)
		mm_free(table->labels[i].v);
	table->n_labels = 0;
}