#include <ptree.h>
_apatnodeのコラボレーション図

変数 | |
| union { | |
| void * data | |
| Pointer address at leaf.  | |
| int thres_bit | |
| Threshold bit at branch.  | |
| } | value | 
| Node value.   | |
| _apatnode * | left0 | 
| Link to left node (bit=0).  | |
| _apatnode * | right1 | 
| Link to right node (bit=1).  | |
      
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 Node value. Pointer adreess if this is leaf node (in case both left0 and right1 are NULL), or threshold bit if this is branch node (otherwise) 参照元 aptree_add_entry_at(), aptree_make_root_node(), aptree_remove_entry_r(), aptree_search_data_r(), と aptree_traverse_and_do().  | 
  
 1.4.2