+struct fmt_spec;
+
+gboolean psppire_case_file_data_in (PsppireCaseFile *cf, gint c, gint idx,
+ struct substring input,
+ const struct fmt_spec *);
+
+gboolean psppire_case_file_set_value (PsppireCaseFile *cf, gint casenum,
+ gint idx, union value *v, gint width);