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https://github.com/KolibriOS/kolibrios.git
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6496d04506
This version of menuetlibc was taken from revision 4743, right before I made any changes git-svn-id: svn://kolibrios.org@4973 a494cfbc-eb01-0410-851d-a64ba20cac60
68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
/*
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* zAVLTree.h: Header file for AVLTrees with string keys.
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* Copyright (C) 1998 Michael H. Buselli
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* The author of this library can be reached at the following address:
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* Michael H. Buselli
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* 4334 N. Hazel St. #515
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* Chicago, IL 60613-1456
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*
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* Or you can send email to <cosine@tezcat.com>.
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* The official web page for this product is:
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* http://www.tezcat.com/~cosine/pub/AVLTree/
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*
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* This is version 0.1.0 (alpha).
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*/
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#ifndef _ZAVLTREE_H_
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#define _ZAVLTREE_H_
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typedef struct _zAVLNode {
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const char *key;
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long depth;
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void *item;
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struct _zAVLNode *parent;
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struct _zAVLNode *left;
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struct _zAVLNode *right;
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} zAVLNode;
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typedef struct {
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zAVLNode *top;
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long count;
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const char *(*getkey)(const void *item);
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} zAVLTree;
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typedef struct {
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const zAVLTree *avltree;
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const zAVLNode *curnode;
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} zAVLCursor;
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extern zAVLTree *zAVLAllocTree (const char *(*getkey)(void const *item));
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extern void zAVLFreeTree (zAVLTree *avltree, void (freeitem)(void *item));
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extern int zAVLInsert (zAVLTree *avltree, void *item);
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extern void *zAVLSearch (zAVLTree const *avltree, const char *key);
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extern int zAVLDelete (zAVLTree *avltree, const char *key);
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extern void *zAVLFirst (zAVLCursor *avlcursor, zAVLTree const *avltree);
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extern void *zAVLNext (zAVLCursor *avlcursor);
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#endif
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