free.c

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#include <stdlib.h>
 
#include <grass/btree.h>
 
int btree_free(BTREE *B)
{
    void *data, *key;
 
    btree_rewind(B);
    while (btree_next(B, &key, &data)) {
        free(key);
        free(data);
    }
    free(B->node);
 
    return 0;
}