+ return subcase_add (sc, var_get_case_index (var),
+ var_get_width (var), direction);
+}
+
+/* Add a field for CASE_INDEX, WIDTH to SC, with DIRECTION as the sort order.
+ Returns true if successful, false if CASE_INDEX already has a field
+ in SC. */
+bool
+subcase_add (struct subcase *sc, int case_index, int width,
+ enum subcase_direction direction)
+{