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

int main() {
  pid_t pid;

  printf("program started\n");

  pid = fork();

  if (pid < 0) {
    // error, fork failed
    printf("fork failed\n");
  } else if (pid == 0) {
    // child process
    printf("this is the child\n");
  } else { 
    // parent process
    printf("this is the parent\n");
  }

  printf("exiting\n");
  return 0;
}