| 0,0 → 1,67 |
|---|
| /* |
| * iAVLTree.h: Header file for AVLTrees with long integer keys. |
| * Copyright (C) 1998 Michael H. Buselli |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public |
| * License along with this library; if not, write to the Free |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| * The author of this library can be reached at the following address: |
| * Michael H. Buselli |
| * 4334 N. Hazel St. #515 |
| * Chicago, IL 60613-1456 |
| * |
| * Or you can send email to <cosine@tezcat.com>. |
| * The official web page for this product is: |
| * http://www.tezcat.com/~cosine/pub/AVLTree/ |
| * |
| * This is version 0.1.0 (alpha). |
| */ |
| |
| #ifndef _IAVLTREE_H_ |
| #define _IAVLTREE_H_ |
| |
| |
| typedef struct _iAVLNode { |
| long key; |
| long depth; |
| void *item; |
| struct _iAVLNode *parent; |
| struct _iAVLNode *left; |
| struct _iAVLNode *right; |
| } iAVLNode; |
| |
| |
| typedef struct { |
| iAVLNode *top; |
| long count; |
| long (*getkey)(const void *item); |
| } iAVLTree; |
| |
| |
| typedef struct { |
| const iAVLTree *avltree; |
| const iAVLNode *curnode; |
| } iAVLCursor; |
| |
| |
| extern iAVLTree *iAVLAllocTree (long (*getkey)(void const *item)); |
| extern void iAVLFreeTree (iAVLTree *avltree, void (freeitem)(void *item)); |
| extern int iAVLInsert (iAVLTree *avltree, void *item); |
| extern void *iAVLSearch (iAVLTree const *avltree, long key); |
| extern int iAVLDelete (iAVLTree *avltree, long key); |
| extern void *iAVLFirst (iAVLCursor *avlcursor, iAVLTree const *avltree); |
| extern void *iAVLNext (iAVLCursor *avlcursor); |
| |
| |
| #endif |