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

#define MAXSIZE 5

typedef struct queue {
    int * base;
    int front;
    int rear;
} Queue;

bool InitQueue (Queue * q);
bool EnQueue (Queue * q, int e);
bool DeQueue (Queue * q, int * e);
int  LengthQueue (Queue * q);
int  GetHead (Queue * q);