/*-------------------------------------------------------------------*/
/* testfork.c                                                        */
/* The fork system call.                                             */
/*-------------------------------------------------------------------*/

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

int main(int argc, char *argv[])
{
   printf("Beginning of process %d.\n", getpid());
   printf("Before fork in process %d.\n", getpid());
   fork();
   printf("After fork in process %d.\n", getpid());
   printf("End of process %d.\n", getpid());
   return 0;
}

/* Sample executions:

$ testfork
Beginning of process 20548.
Before fork in process 20548.
After fork in process 20548.
After fork in process 20549.
End of process 20548.
End of process 20549.
$ testfork
Beginning of process 20550.
Before fork in process 20550.
After fork in process 20550.
End of process 20550.
After fork in process 20551.
End of process 20551.
$ testfork
Beginning of process 20552.
Before fork in process 20552.
After fork in process 20553.
End of process 20553.
After fork in process 20552.
End of process 20552.
$

*/