+void hashtable_destroy(hashtable_t *hashtable);
+
+/**
+ * hashtable_init - Initialize a hashtable object
+ *
+ * @hashtable: The (statically allocated) hashtable object
+ * @hash_key: The key hashing function
+ * @cmp_keys: The key compare function. Returns non-zero for equal and
+ * zero for unequal unequal keys
+ * @free_key: If non-NULL, called for a key that is no longer referenced.
+ * @free_value: If non-NULL, called for a value that is no longer referenced.
+ *
+ * Initializes a statically allocated hashtable object. The object
+ * should be cleared with hashtable_close when it's no longer used.
+ *
+ * Returns 0 on success, -1 on error (out of memory).
+ */
+int hashtable_init(hashtable_t *hashtable,
+ key_hash_fn hash_key, key_cmp_fn cmp_keys,
+ free_fn free_key, free_fn free_value);
+
+/**
+ * hashtable_close - Release all resources used by a hashtable object
+ *
+ * @hashtable: The hashtable
+ *
+ * Destroys a statically allocated hashtable object.
+ */
+void hashtable_close(hashtable_t *hashtable);