Command Line Arguments Questions in C

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6.
What is the output of this C code (run without any commandline arguments)?

    #include
    int main(int argc, char *argv[])
    {
        while (*argv++ != NULL)
        printf("%s\n", *argv);
        return 0;
    }

A. Segmentation fault/code crash
B. Executable file name
C. Depends on the platform
D. Depends on the compiler

Answer: A
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7.
In Turbo C/C++ under DOS if we want that any wild card characters in the command-line arguments should be appropriately expanded, are we required to make any special provision?

A. Yes
B. No

Answer: A
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8.
What will be the output of the program (myprog.c) given below if it is executed from the command line?

cmd> myprog one two three
/* myprog.c */


int main(int argc, char **argv)
{
    printf("%s", *++argv);
    return 0;
}

A. myprog
B. one
C. two
D. three

Answer: B
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9.
If the different command line arguments are supplied at different times would the output of the following program change?

#include

int main(int argc, char **argv)
{
    printf("%d", argv[argc]);
    return 0;
}

A. Yes
B. No

Answer: B
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