#ifndef _DOUBLYLIST_
#define _DOUBLYLIST_

typedef struct DoublyListNodeType
{
	int data;
	struct DoublyListNodeType* pLLink;
	struct DoublyListNodeType* pRLink;
} DoublyListNode;

typedef struct DoublyListType
{
	int	currentElementCount;		// ÇöÀç ÀúÀåµÈ ¿ø¼ÒÀÇ °³¼ö
	DoublyListNode	headerNode;		// Çì´õ ³ëµå(Header Node)
} DoublyList;

DoublyList* createDoublyList();
void deleteDoublyList(DoublyList* pList);
int addDLElement(DoublyList* pList, int position, DoublyListNode element);
int removeDLElement(DoublyList* pList, int position);
void clearDoublyList(DoublyList* pList);
int getDoublyListLength(DoublyList* pList);
DoublyListNode* getDLElement(DoublyList* pList, int position);
void displayDoublyList(DoublyList* pList);

#endif

#ifndef _COMMON_LIST_DEF_
#define _COMMON_LIST_DEF_

#define TRUE		1
#define FALSE		0

#endif