//
// list.h
#ifndef _P_LIST_H_
#define _P_LIST_H_

typedef struct tagPtrNode {
	void *ptr;

	struct tagPtrNode *next; 
} PtrNode;

typedef struct tagPtrList {
	PtrNode *head;
	int items;
} PtrList;

void InsertFront(PtrList *list, void *data);

void PtrLinkTest(void);

PtrList *CreatePtrList();
void DestroyPtrList(PtrList *list);
int isempty(PtrList *list);
void DeletePtrNode(PtrList *list, void *val);
void *RemoveFront(PtrList *list);
void PrintPtrList(PtrList *list);

// STACK MACROS
#define POP_STACK(list)		RemoveFront(list)
#define PUSH_STACK(list, data)		InsertFront(list, data)
#define CREATE_STACK		CreatePtrList()
#define DESTROY_STACK(list)	DestroyPtrList(list)
	

#endif