27 static inline void list_add(struct List *entry, struct List *node)  in list_add()  argument
30     node->next = entry->next;  in list_add()
32     node->prev = entry;  in list_add()
36     entry->next = node;  in list_add()
44 static inline void list_append(struct List *entry, struct List *node)  in list_append()  argument
47     struct List *tail = entry->prev;  in list_append()
55 static inline void list_del(struct List *entry)  in list_del()  argument
58     entry->next->prev = entry->prev;  in list_del()
59     entry->prev->next = entry->next;  in list_del()
66 #define list_del_init(entry) \  argument
67     list_del(entry);         \
68     list_init(entry);
89 static inline bool list_empty(struct List *entry)  in list_empty()  argument
96     if (entry == entry->next && entry->prev == entry)  in list_empty()
108 static inline struct List *list_prev(struct List *entry)  in list_prev()  argument
110     if (entry->prev != NULL)  in list_prev()
111         return entry->prev;  in list_prev()
122 static inline struct List *list_next(struct List *entry)  in list_next()  argument
124     if (entry->next != NULL)  in list_next()
125         return entry->next;  in list_next()