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

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

A. Decision making B. Code organization C. Variable declaration D. Storing values

A. 4 B. 8 C. 2 D. 1

A. int *ptr; B. ptr int; C. int ptr; D. ptr *int;

A. Arithmetic operation B. Indirection operator C. Member access operator D. Bitwise operation