/*
queue.h
Pedro Flynn - pflynn@microsoftsucks.org
*/

#ifndef QUEUE_H
#define QUEUE_H

#include <stdio.h>
#include <stdlib.h>


typedef struct QueueElmt_{
	void* qe_data;
	struct QueueElmt_* qe_next;
} QueueElmt;

typedef struct Queue_{
	int q_size;
	QueueElmt* q_first;
	QueueElmt* q_last;
	} Queue;

Queue* queue_create();
int queue_enqueue(Queue* queue,void* data);
int queue_dequeue(Queue* queue,void** data);
void queue_print(Queue* queue);
int queue_empty(Queue* queue);
int queue_destroy(Queue* queue);
	
#define QUEUE_SIZE(queue) ((queue)->q_size)
#define QUEUE_PEEK(queue) ((queue)->q_first)
#define QUEUE_DATA(queueelement) ((queueelement)->qe_data)	
	
#endif