text: #ifndef CUTIL_TEST_BTREE_UTIL_H
  #define CUTIL_TEST_BTREE_UTIL_H
  
  #include "cutil/btree.h"
  
  #include <stdio.h>
  
  typedef int (*cutil_btree_value_xform_func)(int val);
  
  
  cutil_btree* read_btree_from_file(const char* test_data_name);
  int insert_char_sequence(cutil_btree *btree, const char* sequence, cutil_btree_value_xform_func xform_func);
  void _btree_test_insert_test_strings(cutil_btree* btree, int item_count);
  int forward_itr_char_sequence(cutil_btree* btree, const char* expected_sequence, int* error_index);
  void dump_btree(cutil_btree* btree, const char* path);
  
  int validate_btree(cutil_btree* btree);
  
  #endif
  