/*
 * Copyright(C)2006 Sugimoto,Shigetoshi
 * All rights reserved.
 */

/*
 * queueの各要素
 */
typedef struct general_queue_item {
	struct general_queue_item *prev;
	struct general_queue_item *next;
	void *data;
} general_queue_item_t;

/*
 * queueの管理構造体
 */
typedef struct general_queue_info {
	general_queue_item_t *head;
	general_queue_item_t *tail;
	general_queue_item_t *free;

	int (*push_item)(struct general_queue_info *info, void *data);
	void *(*get_item)(struct general_queue_info *info);
	void (*print_queue)(struct general_queue_info *info);
} general_queue_info_t;

/* queueの初期化関数 */
extern general_queue_info_t *init_general_queue(int size);

#ifndef NULL
#define NULL ((void*)0)
#endif

#ifndef TRUE
#define TRUE (1)
#endif

#ifndef FALSE
#define FALSE (0)
#endif

// end of file