-int compare_values (const union value *, const union value *, int width);
-unsigned hash_value (const union value *, int width);
-
-int compare_ptr_values (const union value **, const union value **, int width);
-unsigned hash_ptr_value (const union value **, int width);
-
+int compare_values (const void *, const void *, const void *var);
+unsigned hash_value (const void *, const void *var);