The function ____ returns a non-0 number if the argument is a letter or a digit; otherwise it returns a 0.
A) int isalnum(int)
B) int isalpha(int)
C) int isdigit(int)
D) int isxdigit(int)

Question

Quizplus · Accepted Answer

The function `int isalnum(int)` checks if the argument passed is an alphanumeric character (either a letter or a digit) and returns a non-zero value if true, otherwise it returns 0.

The Function ____ Returns a Non-0 Number If the Argument