MCQOPTIONS
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MCQOPTIONS
| 1. |
Which is true about isalnum(ch), where ch is an int that can be represented as an unsigned? char or EOF.isalnum(ch) returns |
| A. | Nothing |
| B. | 0 if not isalpha(ch) or not isdigit(ch) |
| C. | Non-zero if isalpha(ch) or isdigit(ch) |
| D. | Both 0 if not isalpha(ch) or not isdigit(ch) & Non-zero if isalpha(ch) or isdigit(ch) |
| E. | None of these |
| Answer» E. None of these | |