/*-------------------------------------------------------------------*/
/* testforkret.c                                                     */
/* Using the return value of the fork system call.                   */
/*-------------------------------------------------------------------*/

#include <stdio.h>
#include <unistd.h>

int main(int argc, char *argv[])
{
   int iPid;

   iPid = fork();

   if (iPid == -1)
   {
      printf("Failed to execute fork.\n");
      exit(1);
   }

   if (iPid == 0)
   {
      printf("This code is executed in the child process.\n");
   }
   else
   {
      printf("This code is executed in the parent process.\n");
   }

   printf("This code is executed in both the parent and child process.\n");

   return 0;
}

/* Sample executions:

$ testforkret
This code is executed in the child process.
This code is executed in the parent process.
This code is executed in both the parent and child process.
This code is executed in both the parent and child process.
$ testforkret
This code is executed in the parent process.
This code is executed in the child process.
This code is executed in both the parent and child process.
This code is executed in both the parent and child process.
$ testforkret
This code is executed in the parent process.
This code is executed in both the parent and child process.
This code is executed in the child process.
This code is executed in both the parent and child process.
$

*/