// LL.h: interface for the LL class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_LL_H__7D380176_EBB6_447C_A2CF_8C2E6B7D8D21__INCLUDED_)
#define AFX_LL_H__7D380176_EBB6_447C_A2CF_8C2E6B7D8D21__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include "node.h"

class LL  
{
public:
	LL();
	virtual ~LL();
protected:
    node headdum,taildum;
	int length;
public:
	int getlength();
	bool find(node *nd);
	node * getindex(int index);
	node * deltail();
	node * delhead(void);
	void addtail(node *nd);
	void addhead(node *nd);
	node *head,*tail,*cur;
};

#endif // !defined(AFX_LL_H__7D380176_EBB6_447C_A2CF_8C2E6B7D8D21__INCLUDED_)