char * spreadsheet_get_sheet_range (struct spreadsheet *s, int n);
-char *create_cell_ref (int col0, int row0, int coli, int rowi);
+char * create_cell_ref (int col0, int row0);
+char *create_cell_range (int col0, int row0, int coli, int rowi);
void spreadsheet_destroy (struct spreadsheet *);