1.

Non-zero if isalpha(c) or isdigit(c)

A. 0 if not isalpha(c) or not isdigit(c)
B. Both Non-zero if isalpha(c) or isdigit(c) & 0 if not isalpha(c) or not isdigit(c)
C. None of the mentioned
Answer» C. None of the mentioned


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