#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>

int main() {
  pid_t pid;
  if ((pid = fork()) == 0) {
    while (1) {
      printf("child's return value %d:  I want to play…\n", pid);
    }
  } else {
    while (1) {
      printf("parent's return value %d:  After the project…\n", pid);
    }		
  }
  return 0;
}