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#ifndef LWIP_LIST_H
#define LWIP_LIST_H
struct elem;
struct list {
struct elem *first, *last;
int size, elems;
};
struct elem {
struct elem *next;
void *data;
};
struct list *list_new(int size);
int list_push(struct list *list, void *data);
void *list_pop(struct list *list);
void *list_first(struct list *list);
int list_elems(struct list *list);
void list_delete(struct list *list);
int list_remove(struct list *list, void *elem);
void list_map(struct list *list, void (* func)(void *arg));
#endif
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