/****************************************************************File Name:   recyqueue.hAuthor: Tian Zhang, CS Dept., Univ. of Wisconsin-Madison, 1995               Copyright(c) 1995 by Tian Zhang                   All Rights ReservedPermission to use, copy and modify this software must be grantedby the author and provided that the above copyright notice appear in all relevant copies and that both that copyright notice and this permission notice appear in all relevant supporting documentations. Comments and additions may be sent the author at zhang@cs.wisc.edu.******************************************************************/#ifndef RECYQUEUE_H#define RECYQUEUE_Hclass Stat;class UnitQueue {private:	Entry 		*queue;	UnitQueue 	*next;public:	friend class RecyQueueClass;	UnitQueue(Stat* Stats);	~UnitQueue();};class RecyQueueClass {public:	UnitQueue *head, *tail;	int start, end, size, actsize;public:	RecyQueueClass(Stat* Stats);	~RecyQueueClass();	void CF(Entry& tmpcf) const;	int Size() const;	short Empty() const;	short Full() const;	int CountEntry() const;	int CountTuple() const;	void AddEnt(Entry &ent,Stat *Stats);	void DeleteEnt(Entry &ent);friend ostream& operator<<(ostream &fo, RecyQueueClass *Queue);friend ofstream& operator<<(ofstream &fo, RecyQueueClass *Queue);};ostream& operator<<(ostream &fo, RecyQueueClass *Queue);ofstream& operator<<(ofstream &fo, RecyQueueClass *Queue);#endif RECYQUEUE_H