/*
struct node {
  int num;
  struct node *child;
  //  struct node **array_node;
};
*/

#include <stdio.h>

struct node {
  int num;
  selftype *child;
};

int main() {
  struct node n, nc;
  n.num = 1;
  nc.num = 2;
  n.child = &nc;

  printf("n.num = %d\n",n.num);
  printf("n.child.num = %d\n",n.child->num);

  return 0;
}