char or EOF.isalnum(c) returns
a) Non-zero if isalpha(c) or isdigit(c)
b) 0 if not isalpha(c) or not isdigit(c)
c) Both Non-zero if isalpha(c) or isdigit(c) & 0 if not isalpha(c) or not isdigit(c)
d) None of the mentioned
Which is true about isalnum(c), where c is an int that can be represented as an unsigned?
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answerhappygod
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Which is true about isalnum(c), where c is an int that can be represented as an unsigned?
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