CAP/applications/aufs/afpavl.h

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/*
* $Author: djh $ $Date: 91/02/15 21:05:50 $
* $Header: afpavl.h,v 2.1 91/02/15 21:05:50 djh Rel $
* $Revision: 2.1 $
*/
/*
* afpavl.h - Appletalk Filing Protocol AVL Tree Management definitions
*
* AppleTalk package for UNIX (4.2 BSD).
*
* Copyright (c) 1986, 1987 by The Trustees of Columbia University in the
* City of New York.
*
*
* Edit History:
*
* Mar 30, 1987 Schilit Created, based on older versions
*
*
*/
typedef char AVLUData; /* baggage for user */
typedef struct avl_node {
short b_bf; /* balance factor 0, 1, or -1 */
struct avl_node *b_l; /* left child */
struct avl_node *b_r; /* right child */
AVLUData *b_udata; /* user data (baggage) */
} AVLNode, *AVLNodePtr;
#define NILAVL ((AVLNodePtr) 0)
AVLNode *AVLInsert();
AVLNode *AVLLookup();
void AVLPrintTree();
void AVLMapTree();