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  1. What will be the output of the following C code?
    #include <stdio.h>
    #include <ctype.h>
        int main()
        {
            char ch = 'I';
            printf("%d\n", isspace(ch));
        }
    1. I
    2. Compilation Error
    3. Non-zero number
    4. Nothing
    5. None of these
Correct Option: C

Non-zero number


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