Loop

#include <stdio.h>

int main(void)
{
    char ch;
    char *pc = &ch;

    int n;
    int *pi = &n;

    double d;
    double *pd;

    int arr[3];
    int i;

    for (i = 0; i < 3; i++)
        printf("pc+%d = %p\n", i, pc + i);

    for (i = 0; 1 < 3; i++)
        printf("pi+%d = %p\n", i, pi + i);

    for (i = 0; i < 3; i++)
        printf("pd+%d = %p\n", i, pd + i);

    for (i = 0; i < 5; i++)
        printf("&arr[%d]-&arr[0] = %d\n", i, &arr[i] - &arr[0]);

    return 0;
}