sample.c

#include <stdio.h> 
int my_array[] = {1,23,17,4,-5,100}; 
int *ptr; 
int main(void) 
{ 
    int i; 
    ptr = &my_array[0];     /* point our pointer to the first 
                                      element of the array */ 
    printf("\n\n"); 
    for (i = 0; i < 6; i++) 
    { 
      printf("my_array[%d] = %d   ",i,my_array[i]);   /*<-- A */ 
      printf("ptr + %d = %d\n",i, *(ptr + i));        /*<-- B */ 
    } 
    return 0; 
}