A- [displayflagiof_displayflag()] [flagiof_flag()] [editiof_edit(): Left key] [editiof_edit(): Home and End Key]

B- [displayMenuItemiof_displayMenuItem()] [MenuItemiof_menuItem()] [editiof_edit(): Right Key] [editiof_edit(): Insert Key] [editiof_edit(): Tab Key]

C- [editiof_edit(): Corrections before editing] [editiof_edit(): Backspace Key] [editiof_edit(): Enter and All function key] [editiof_edit(): data entry, overstrike mode]

D- [editiof_edit(): Escape key, including Undo (memory allocation and release in C (malloc() and free())] [editiof_edit(): Delete Key] [editiof_edit(): data entry, insert mode]