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     * @param key   Array of keys needed to compute hash index. All keys must
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     * @param key   Array of keys needed to compute hash index. All keys must
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     *      be passed.
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     *      be passed.
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     *
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     *
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     * @return Index into hash table.
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     * @return Index into hash table.
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     */
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     */
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    index_t (* hash)(unative_t key[]);
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    size_t (* hash)(unative_t key[]);
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    /** Hash table item comparison function.
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    /** Hash table item comparison function.
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     *
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     *
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     * @param key   Array of keys that will be compared with item. It is not
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     * @param key   Array of keys that will be compared with item. It is not
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     *      necessary to pass all keys.
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     *      necessary to pass all keys.
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     *
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     *
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     * @return true if the keys match, false otherwise.
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     * @return true if the keys match, false otherwise.
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     */
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     */
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    bool (*compare)(unative_t key[], count_t keys, link_t *item);
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    bool (*compare)(unative_t key[], size_t keys, link_t *item);
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    /** Hash table item removal callback.
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    /** Hash table item removal callback.
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     *
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     *
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     * @param item Item that was removed from the hash table.
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     * @param item Item that was removed from the hash table.
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     */
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     */
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} hash_table_operations_t;
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} hash_table_operations_t;
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/** Hash table structure. */
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/** Hash table structure. */
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typedef struct {
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typedef struct {
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    link_t *entry;
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    link_t *entry;
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    count_t entries;
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    size_t entries;
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    count_t max_keys;
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    size_t max_keys;
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    hash_table_operations_t *op;
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    hash_table_operations_t *op;
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} hash_table_t;
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} hash_table_t;
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#define hash_table_get_instance(item, type, member) \
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#define hash_table_get_instance(item, type, member) \
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    list_get_instance((item), type, member)
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    list_get_instance((item), type, member)
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extern void hash_table_create(hash_table_t *h, count_t m, count_t max_keys,
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extern void hash_table_create(hash_table_t *h, size_t m, size_t max_keys,
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    hash_table_operations_t *op);
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    hash_table_operations_t *op);
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extern void hash_table_insert(hash_table_t *h, unative_t key[], link_t *item);
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extern void hash_table_insert(hash_table_t *h, unative_t key[], link_t *item);
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extern link_t *hash_table_find(hash_table_t *h, unative_t key[]);
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extern link_t *hash_table_find(hash_table_t *h, unative_t key[]);
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extern void hash_table_remove(hash_table_t *h, unative_t key[], count_t keys);
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extern void hash_table_remove(hash_table_t *h, unative_t key[], size_t keys);
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#endif
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#endif
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/** @}
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/** @}
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 */
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 */