/* ecran.c */
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <stdio.h>

int main(void)
{
 int   ok = 0, tube0 = 0;
 char  ch;
 int   compteur=0;

 if ((tube0 = open("Dialogue", O_RDONLY)) ==-1) { perror("open");
                                                  exit(EXIT_FAILURE);
 }

 ok=read(tube0,&ch,1);
 while ((ok!=-1) && (ok!=0)) {
                               compteur++;
#if 1
                               printf("Recu %c\n",ch);
#endif
                               ok=read(tube0,&ch,1);
 }

 if (ok==-1) { perror("read");
               exit(EXIT_FAILURE);
 }

 printf("Recu %d caracteres\n",compteur);

 close(tube0);

 return EXIT_SUCCESS;
}