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+/* tree.h: Definitions for trees
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+
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+ Copyright (C) 2008 Lionel Debroux
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+
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+ This program is free software; you can redistribute it and/or modify
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+ it under the terms of the GNU General Public License as published by
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+ the Free Software Foundation; either version 2, or (at your option)
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+ any later version.
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+
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+ This program is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ GNU General Public License for more details.
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+
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+ You should have received a copy of the GNU General Public License
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+ along with this program; if not, write to the Free Software Foundation,
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+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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+
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+#ifndef TREE_H
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+#define TREE_H
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+
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+#include "lists.h"
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+
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+#define TREE_HEADER LIST_HEADER
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+#define TREE_ITEM_HEADER LIST_ITEM_HEADER
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+
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+#define TreePrev GetPrev
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+#define TreeNext GetNext
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+
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+#define TreeFirst GetFirst
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+#define TreeLast GetLast
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+
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+#define TreeIsEmpty IsEmpty
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+
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+#define TreeUnlink Unlink
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+
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+#define TreeAppend Append
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+
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+#define TreePush Push
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+
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+#define TreeInsertAfter InsertAfter
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+
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+#define TreeInsertBefore InsertBefore
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+
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+#define tree_for_each for_each
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+
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+#define TreeCountItems CountItems
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+
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+#endif
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