#ifndef __QUEUE_H_
#define __QUEUE_H_

#define MAX_QUEUE_SIZE 20

typedef struct {
  int a;
  int b;
} ElementType;

typedef struct QueueStruct *QueueType;

void initQueue(QueueType* queue);
void enqueue(QueueType queue, ElementType element);
void dequeue(QueueType queue, ElementType* element);

int queueSize(QueueType queue);
void printQueue(QueueType queue, void (*printElement)(ElementType));


#endif