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struct list_head {
struct list_head *next, *prev;
};

#define LIST_HEAD_INIT(name) { &(name), &(name) }

#define LIST_HEAD(name) \
struct list_head name = LIST_HEAD_INIT(name)

static inline void INIT_LIST_HEAD(struct list_head *list)
{
list->next = list;
list->prev = list;
}

static inline void __list_add(struct list_head *new,
struct list_head *prev,
struct list_head *next)
{
next->prev = new;
new->next = next;
new->prev = prev;
prev->next = new;
}

static inline void list_add(struct list_head *new, struct list_head *head)
{
__list_add(new, head, head->next);
}

static inline void __list_del(struct list_head * prev, struct list_head * next)
{
next->prev = prev;
prev->next = next;
}


static inline void list_del(struct list_head *entry)
{
__list_del(entry->prev, entry->next);
entry->next = NULL;
entry->prev = NULL;
}

#define __list_for_each(pos, head) \
for (pos = (head)->next; pos != (head); pos = pos->next)

#define list_for_each_entry(pos, head, member) \
for (pos = list_entry((head)->next, typeof(*pos), member); \
prefetch(pos->member.next), &pos->member != (head); \
pos = list_entry(pos->member.next, typeof(*pos), member))
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#ifndef LLIST_H
#define LLIST_H

typedef void node_proc_fun_t(void*);
typedef int node_comp_fun_t(const void*, const void*);

typedef void LLIST_T;

LLIST_T *llist_new(int elmsize);
int llist_delete(LLIST_T*);

int l


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