#include <stdio.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <unistd.h>

int main() {
  int status = 0;
  int fave1, fave2;
  printf("Parent: %d\n", getpid());
  fave1 = fork();
  if (fave1 == 0) {  // child
    fave2 = fork();
    if (fave2 == 0)  // child
      sleep(1);
    else {
      printf("%d spawned %d, waiting...\n", getpid(), fave2);
    }
  }
  else {
    printf("%d spawned %d, waiting...\n", getpid(), fave1);
    wait(&fave1);
  }
  printf("%d terminating \n", getpid());
  sleep(1);
}