+const char *
+spreadsheet_get_sheet_name (struct spreadsheet *s, int n)
+{
+#ifdef ODF_READ_SUPPORT
+ if ( s->type == SPREADSHEET_ODS)
+ return ods_get_sheet_name (s, n);
+#endif
+#ifdef GNM_READ_SUPPORT
+ if ( s->type == SPREADSHEET_GNUMERIC)
+ return gnumeric_get_sheet_name (s, n);
+#endif
+
+ return NULL;
+}
+
+char *
+spreadsheet_get_sheet_range (struct spreadsheet *s, int n)