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#ifndef _MAP_H_
#define _MAP_H_
struct map_item {
unsigned int key;
};
struct map_entry;
struct map {
unsigned int size;
unsigned int count;
struct map_entry *data;
};
int map_create(struct map *map);
void map_destroy(struct map *map);
void map_clear(struct map *map, void (*release)(struct map_item *));
int map_put(struct map *map, unsigned int key, struct map_item *v);
int map_reput(struct map *map, unsigned int key, struct map_item *v,
struct map_item **old);
int map_contains(const struct map *map, unsigned int key);
struct map_item *map_get(const struct map *map, unsigned int key);
int map_remove(struct map *map, unsigned int key);
unsigned int map_length(struct map *map);
struct map_entry *map_iter_first(const struct map *map);
struct map_entry *map_iter_next(const struct map *map, struct map_entry *iter);
struct map_item *map_iter_item(struct map_entry *iter);
#define map_for_each(map, iter) \
for (iter = map_iter_first(map); iter; iter = map_iter_next(map, iter))
#define map_iter_data(iter, type, member) \
container_of(map_iter_item(iter), type, member)
#endif
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