- gint (* get_height) (const GSheetRow *grow, gint row, gpointer);
- void (* set_height) (GSheetRow *grow, gint row, gint height,
+ gint (* get_height) (const GSheetRow *grow, glong row, gpointer);
+ void (* set_height) (GSheetRow *grow, glong row, gint height,