-unsigned int get_hash_from_key(void *);
-int hash_keys_are_equal(void *, void *);
+unsigned int get_hash_from_string(void *);
+unsigned int get_hash_from_integer(void *);
+int hash_key_strings_are_equal(void *, void *);
+int hash_key_integers_are_equal(void *, void *);