/* Create a zombie process. This is a slight modification of 	 */
/* testvfork. You'll suspend the program after the child is done */
/* and do a ps to see that the child is now a zombie process.	 */
#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>

main(argc,argv)
int argc;
char *argv[];
{pid_t IsParent;
 int Code;
 FILE *fp;
 printf("A zombie process will be created\n"); 
 IsParent=fork();
 if (IsParent) {
  /* Why doesn't the next line get printed???? The sleep works */
  printf("Parent Resumes! \n");
  sleep(5);
  wait(&Code);
  sleep(5);
  fp=fopen("Code","w");
  fprintf(fp,"Exit Code: %d\n",Code);
  fclose(fp);
 }
 else {
  printf("I'm the child. My pid is %d\n",getpid());
  printf("Hit ^Z within 5 seconds and then do a 'ps xg'.\n"); 
  printf("The child's pid will have a 'Z' under the status column\n"); 
  exit(4);
 }
}