#include <stdio.h>
int K;

main()
{
  int i;
  int j;

  j = 200;
  K = 300;

  printf("Before forking: j = %d, K = %d  ", j, K);
  i = fork();

  if (i > 0) {  /* Delay the parent */
    sleep(1);
    printf("After forking, parent: j = %d, K = %d\n", j, K);

  } else {
    j++;
    K++;
    printf("After forking, child: j = %d, K = %d\n", j, K);
  }
}