The built-in library function isalnum( ) is testing to determine if the argument is ...............
A. one of "all" numbers available from the keyboard
B. an alphabet character
C. an ASCII character
D. an alphanumeric
Answer:D
The built-in library function isalnum( ) is testing to determine if the argument is ...............
A. one of "all" numbers available from the keyboard B. an alphabet character C. an ASCII character D. an alphanumeric