c-data-structures/queue.h at master · raideus/c-data-structures · GitHub

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/*****************************************************************************
 **
 ** queue.h
 **
 ** Structure and interface definitions for Queue, a polymorphic FIFO
 ** data structure
 **
 ** Author: Sean Butze
 **
 ****************************************************************************/


#include "node.h"

#ifndef QUEUE_H
#define QUEUE_H

typedef struct Queue {
    unsigned size;
    Node *head;
    Node *tail;
} Queue;

extern Queue* Queue_new();
extern void Queue_add(Queue *q, void *el);
extern void* Queue_remove(Queue *q);
extern void* Queue_front(Queue *q);
extern unsigned Queue_size(Queue *q);
extern void Queue_delete(Queue *q);

#endif