#ifndef _QUEUE_H
#define _QUEUE_H

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

typedef char ElemType;

typedef struct queue {
    ElemType data;
    struct queue * next;
} Queue;
typedef Queue * pqueue;

void InitQueue  (pqueue * q);
bool EnQueue    (pqueue * qtail, ElemType * e);
bool DeQueue    (pqueue * qhead, ElemType * e);
bool RsQueue    (pqueue * qhead);
bool EmptyQueue (pqueue * qhead);
bool PrintQueue (pqueue * qhead);

#endif