1 /* toolbox/tree.h - binary tree management
3 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
4 Institut f. Computersprachen, TU Wien
5 R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser, M. Probst,
6 S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich,
9 This file is part of CACAO.
11 This program is free software; you can redistribute it and/or
12 modify it under the terms of the GNU General Public License as
13 published by the Free Software Foundation; either version 2, or (at
14 your option) any later version.
16 This program is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
26 Contact: cacao@complang.tuwien.ac.at
28 Authors: Reinhard Grafl
30 $Id: tree.h 684 2003-12-02 16:50:17Z twisti $
38 typedef int (*treeelementcomperator) (void *key, void * element);
41 typedef struct treenode {
42 struct treenode *left,*right;
43 struct treenode *parent;
50 treeelementcomperator comperator;
57 /* function prototypes */
59 tree *tree_new(treeelementcomperator comperator);
60 tree *tree_dnew(treeelementcomperator comperator);
61 void tree_free(tree *t);
63 void tree_add(tree *t, void *element, void *key);
64 void *tree_find(tree *t, void *key);
66 void *tree_this(tree *t);
67 void *tree_first(tree *t);
68 void *tree_next(tree *t);
74 * These are local overrides for various environment variables in Emacs.
75 * Please do not remove this and leave it at the end of the file, where
76 * Emacs will automagically detect them.
77 * ---------------------------------------------------------------------