Command Line Arguments

What will be the output of the following C code (run without any command line arguments)?

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

What is the output of this C code?

#include 
    void foo(int*);
    int main()
    {
        int i = 10, *p = &i;
        foo(p++);
    }
    void foo(int *p)
    {
        printf("%d\n", *p);
    }

Which is an indirection operator among the following?

Which of the following does not initialize ptr to null (assuming variable declaration of a as int a=0;

What is the output of this C code?

#include 
    void main()
    {
        int x = 0;
        int *ptr = &x;
        printf("%d\n", *ptr);
    }

What will be the output of the following C code (run without any command line arguments)?

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

Every time we supply new set of values to the program at command prompt, we need to recompile the program.

What will be the output of the program (sample.c) given below if it is executed from the command line?
cmd> sample friday tuesday sunday

/* sample.c */
#include

int main(int argc, char *argv[])
{
    printf("%c", *++argv[2] );
    return 0;
}

What will be the output of this program (prg_1.c)?

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

What is the output of this C code?

#include 
    int main()
    {
        int i = 10;
        void *p = &i;
        printf("%f\n", *(float*)p);
        return 0;
    }