Command Line Arguments Questions in C

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10.
What is the output of this C code(run without any command line 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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11.
argv[0] in command line arguments, is

A. The name by which the program was invoked
B. The name of the files which are passed to the program
C. Count of the arguments in argv[] vector
D. None of the mentioned

Answer: A
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12.
What will be the output of the program (sample.c) given below if it is executed from the command line (turbo c under DOS)?

cmd> sample Good Morning
/* sample.c */
#include

int main(int argc, char *argv[])
{
    printf("%d %s", argc, argv[1]);
    return 0;
}

A. 3 Good
B. 2 Good
C. Good Morning
D. 3 Morning

Answer: A
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13.
What will be the output of the program (sample.c) given below if it is executed from the command line?

cmd> sample "*.c"
/* sample.c */

#include

int main(int argc, int *argv)
{
    int i;
    for(i=1; i
        printf("%s", argv[i]);
    return 0;
}

A.   *.c
B.    "*.c"
C.     sample *.c
D.     List of all files and folders in the current directory

Answer: A
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Pointers
Array
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