struct spreadsheet_read_options;
-struct casereader * ods_open_reader (const struct spreadsheet_read_info *,
- struct spreadsheet_read_options *,
- struct dictionary **);
+struct spreadsheet *ods_probe (const char *filename);
+
+struct casereader * ods_make_reader (struct spreadsheet *spreadsheet,
+ const struct spreadsheet_read_info *gri,
+ struct spreadsheet_read_options *opts);
#endif