/*------------------------------------------------------------------*/
/* testfork.c                                                       */
/* Author: Bob Dondero                                              */
/* The fork system call.                                            */
/*------------------------------------------------------------------*/

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>

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

   printf("Parent process (%d)\n", (int)getpid());

   fflush(NULL);
   iRet = fork();
   if (iRet == -1) {perror(argv[0]); return EXIT_FAILURE; }

   printf("Parent and child processes (%d)\n", (int)getpid());

   return 0;
}

/*------------------------------------------------------------------*/

/* Sample executions:

$ gcc -Wall -ansi -pedantic testfork.c -o testfork

$ testfork
Parent process (14528)
Parent and child processes (14529)
Parent and child processes (14528)

$ testfork
Parent process (14530)
Parent and child processes (14531)
Parent and child processes (14530)

*/