#include <stdio.h>
#include <string.h>

int main() {

    char r[512];
    strcpy(r, "Hello world, how are you?");

    char *d = r+2;  /* let d point on 3rd character in r */

    printf("r=%lx\n", (unsigned long)r);
    printf("d=%lx\n", (unsigned long)d);

    return(0);
}