-const char * gnumeric_get_sheet_name (struct spreadsheet *s, int n);
-
-char * gnumeric_get_sheet_range (struct spreadsheet *s, int n);
-
-void gnumeric_destroy (struct spreadsheet *);
-
-struct casereader * gnumeric_make_reader (struct spreadsheet *spreadsheet,
- const struct spreadsheet_read_options *opts);
-