You could read and count the characters until you reach the terminator, while you store the characters in a character array.
The terminator could be Carriage return, or other special you choose
If the count is >8, warn the user, ans start over.
You could read and count the characters until you reach the terminator, while you store the characters in a character array.
The terminator could be Carriage return, or other special you choose
If the count is >8, warn the user, ans start over.