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/*
* item.h
*
* The author of this software is Alain K\"{a}gi.
*
* Copyright (c) 1993 by Alain K\"{a}gi and the University of Wisconsin
* Board of Trustees.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose without fee is hereby granted, provided that this entire notice
* is included in all copies of any software which is or includes a copy
* or modification of this software and in all copies of the supporting
* documentation for such software.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTY. IN PARTICULAR, NEITHER THE AUTHOR NOR THE UNIVERSITY OF
* WISCONSIN MAKE ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING
* THE MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*
* ------------------------------------------------------------------------
*
* Interface between graph and Fheap.
*
* ------------------------------------------------------------------------
*
* $Id$
*
*/
#ifndef _item_h
#define _item_h
#include "graph.h"
typedef Vertices Item;
#define NULL_ITEM NULL_VERTEX
int LessThan(Item *, Item *);
int Equal(Item *, Item *);
Item * Subtract(Item *, int);
#endif