#include <stdio.h>
#include <stdlib.h>


typedef struct node
{
	int value;
	struct node *next;
}node_t;

int main()
{
 	node_t *p = (node_t*) malloc (sizeof(node_t));
	p->value = 37;

	node_t *q = (node_t*) malloc (sizeof(node_t));
	q->value = 99; 
	
	node_t *r = (node_t*) malloc (sizeof(node_t));
	r->value = 12; 

	p->next = NULL;
	q->next = p;
	r->next = q;
}