#include <grass/btree.h>
#include <stdlib.h>

int btree_free (BTREE *B)
{
    char *data, *key;

    btree_rewind (B);
    while (btree_next (B, &key, &data))
    {
	free (key);
	free (data);
    }
    free (B->node);

    return 0;
}