#define HASHSIZE 2048

struct list_head {
	struct list_head *next;
	struct list_head *prev;
	void *data;
};

struct list_t {
	struct list_head *begin;
	struct list_head *end;
	//struct list_head *current;
	unsigned long count;
};

struct hash_bucket {
	void *data;
	unique_t unique; /* Basically For IPs */
	struct hash_bucket *next;
};

struct hash_table {
	struct hash_bucket *table[HASHSIZE];
};

/* List Functions */
extern struct list_head *list_add(struct list_t *list, void *data, size_t size);
extern void list_del(struct list_t *list, struct list_head *item);
/* nf - No Free, doesn't free data */
extern void *list_del_nf(struct list_t *list, struct list_head *item);
extern void list_init(struct list_t *list);
extern void list_do(struct list_t *list, void (*function)(void *data));

/* Hash Functions */
extern hash_t hash(void *in, size_t length);
extern void hash_table_init(struct hash_table *t);
extern void *hash_find(struct hash_table *tab, hash_t ha, unique_t uni);
extern void *hash_findu(struct hash_table *tab, unique_t uni);
extern void *hash_add(struct hash_table *tab, unique_t uni, void *data, size_t datasize);
extern void *hash_add_lose(struct hash_table *tab, unique_t uni, void *data, size_t datasize);
extern void *hash_add_ncp(struct hash_table *tab, unique_t uni, void *data);
extern void hash_del(struct hash_table *tab, hash_t ha, unique_t uni);