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#ifndef _QUEUE_H
#define _QUEUE_H
#include "../graph.h"
typedef struct elem {
int y;
struct elem * next;
} elem;
typedef struct queue {
elem * qhead;
elem * qtail;
} queue;
typedef queue * Queue;
void initQueue(Queue q);
void enQueue(Queue q, int y);
int deQueue(Queue q);
void purgeQueue(Queue q);
bool emptyQueue(Queue q);
void printHead(Queue q);
void printQueue(Queue q);
#endif
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