-gchar * name_to_string (const struct variable *var, GError **err);
-
-
-gchar * missing_values_to_string (const struct variable *pv, GError **err);
-
-gchar * measure_to_string (const struct variable *var, GError **err);
-
-gchar * label_to_string (const struct variable *var, GError **err);
+extern const gchar *const alignments[n_ALIGNMENTS + 1];
+extern const gchar *const measures[n_MEASURES + 1];