+void caseinit_save_left_vars (struct caseinit *, const struct ccase *);
+void caseinit_restore_left_vars (struct caseinit *, struct ccase *);
+
+/* Translate. */
+struct casereader *caseinit_translate_casereader_to_init_vars (
+ struct caseinit *, const struct caseproto *output_proto,
+ struct casereader *);