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

int main(void)
{
 pid_t result;

 fprintf(stderr,"Begin %d\n",getpid());
 result=fork();

 switch(result)
  {
   case -1: fprintf(stderr,"Pb with fork !\n"); /* Echec */
            break;
   case  0: /*  Processus enfant : result = 0 */
            fprintf(stderr,"Child : %d (parent=%d)\n",getpid(),getppid());
            break;
   default: /* Processus parent : result = PID du processus fils */
            fprintf(stderr,"Parent : %d (child=%d)\n",getpid(),result);
            break;
  }
 fprintf(stderr,"End %d\n",getpid());
 return EXIT_SUCCESS;
}