Multiple Choice
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)
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q30: The argument names in the header line
Q31: There is no C string data type.
Q32: A _ declares the function to the
Q33: Parameters are sometimes referred to as actual
Q34: Random numbers are a series of numbers
Q36: A function that calls another function is
Q37: All preprocessor directives, variables, named constants, and
Q38: The _ function can be used to
Q39: The function declarator is sometimes referred to
Q40: A basic rule of testing states that