void util_htset (hash_table_t *ht, const char *key, void *value);
void util_htdel (hash_table_t *ht);
size_t util_hthash(hash_table_t *ht, const char *key);
void util_htseth(hash_table_t *ht, const char *key, size_t hash, void *value);
void util_htset (hash_table_t *ht, const char *key, void *value);
void util_htdel (hash_table_t *ht);
size_t util_hthash(hash_table_t *ht, const char *key);
void util_htseth(hash_table_t *ht, const char *key, size_t hash, void *value);