#include <stdio.h>
struct node
{ 	int i; 
int *c; }; 
int main()
{ 	struct node a[2], *p;
int b[2] = {15,20}; 
p = &a;
a[0].i=30; a[1].i=45;
a[0].c=b; 
printf ("%d %d", *--p->c, *++p->c);
return 0; 	}