- std::list<BTreeData> ReadKeys (uchar *node, BTreeNodeHeader &node_header);
- void WriteKeys (uchar *node, BTreeNodeHeader &node_header, std::list<BTreeData> &keys);
+ std::list<BTreeData *> ReadKeys (uchar *node, BTreeNodeHeader &node_header);
+ void WriteKeys (uchar *node, BTreeNodeHeader &node_header, std::list<BTreeData *> &keys);