PEL-Protocol Engineering Lab.

/* p4.c: subtraction */
 
#include <stdio.h>
 
int main(void) {
    int *ip, *ip2, *ip3;
    int n = 10; 
    int a[] = {1, 2, 3, 4, 5}; 
 
    ip = &n; 
    ip2 = ip; 
 
    printf("%d %d %d\n", n, *ip, *ip2);
    printf("%p %p %p\n", &n, &ip, &ip2);
    printf("%p %p %p\n", &n, ip, ip2);
 
    ip2 = a;
    ip3 = ip2 + 1;
 
    printf("%d %d %d\n", a[0], *ip2, *ip3);
    printf("%p %p %p\n", &a[0], &ip2, &ip3);
    printf("%p %p %p\n", &a, ip2, ip3);
 
    return(0);
}