What will be the output of the following C code?

#include <stdio.h>
int main()
{
    char *p = NULL;
    char *q = 0;
    if (p)
        printf(" p ");
    else
        printf("nullp");
    if (q)
        printf("q\n");
    else
        printf(" nullq\n");
}

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