1 /*
2  * Copyright (C) 2009 Neverball authors
3  *
4  * NEVERBALL is  free software; you can redistribute  it and/or modify
5  * it under the  terms of the GNU General  Public License as published
6  * by the Free  Software Foundation; either version 2  of the License,
7  * or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful, but
10  * WITHOUT  ANY  WARRANTY;  without   even  the  implied  warranty  of
11  * MERCHANTABILITY or  FITNESS FOR A PARTICULAR PURPOSE.   See the GNU
12  * General Public License for more details.
13  */
14 
15 #ifndef QUEUE_H
16 #define QUEUE_H
17 
18 typedef struct queue *Queue;
19 
20 Queue  queue_new(void);
21 void   queue_free(Queue);
22 int    queue_empty(Queue);
23 void   queue_enq(Queue, void *);
24 void  *queue_deq(Queue);
25 
26 #endif
27