//all.h
//John T. Rine
//October 13, 2011

#ifndef _ALL_H
#define _ALL_H
#include<stdlib.h>
#include<stdio.h>

struct Node
{
	int data;
	struct Node * prev;
	struct Node * next;
};

typedef struct Node node;

int isEmpty(node *);

void push(node **, node **, /*int position,*/ int);

int pop(node **head, node **tail);

int peek(node *);

int listStackSizeHead(node *);

int listStackSizeTail(node *);

void destroyFixedStackHead(node **, node **);

void destroyFixedStackTail(node **, node **);

void createFixedStack(node **, node **, int);

void copyStack(node *, node **, node **);

#endif