#include <stdio.h>

typedef struct alistnode *listnode;

struct alistnode {
	int val;
	listnode next;
};

void setnext(listnode a, listnode b)
{
	a->next = b;
}

void setval(listnode a, int b)
{
	a->val = b;
}

main()
{
	listnode n1 = malloc(sizeof(struct alistnode));
	setval(n1, 1);

	listnode n2 = malloc(sizeof(struct alistnode));
	setval(n2, 2);

	listnode n3 = malloc(sizeof(struct alistnode));
	setval(n3, 3);

	setnext(n1, n2);
	setnext(n2, n3);
	setnext(n3, n1);

	printf("First: %d\nSecond: %d\nThird: %d\nFirst again: %d",
								n1->val,
								(n1->next)->val,
								((n1->next)->next)->val,
								(((n1->next)->next)->next)->val);
}