Guillaume-Sanchez
46 lines
1014 B
C
46 lines
1014 B
C
/****************************************************************/
|
||
/* Exemple de manipulation d’un fichier: */
|
||
/* création, positionnement, fermeture */
|
||
/****************************************************************/
|
||
#include <stdio.h>
|
||
#include <sys/types.h>
|
||
#include <sys/stat.h>
|
||
#include <fcntl.h>
|
||
#include <unistd.h>
|
||
typedef struct student {
|
||
char nom[10];
|
||
int note;
|
||
} eleve;
|
||
int main()
|
||
{
|
||
int fd, i, ret;
|
||
eleve un_eleve;
|
||
fd = open ("./eleve.txt", O_RDWR);
|
||
if (fd == -1)
|
||
perror ("prob open");
|
||
i = 0;
|
||
while (i<4)
|
||
{
|
||
printf ("Donnez le nom de l’élève \n");
|
||
scanf ("%s", un_eleve.nom);
|
||
printf ("Donnez la note de l’élève \n");
|
||
scanf ("%d", &un_eleve.note);
|
||
write (fd, &un_eleve, sizeof(eleve) );
|
||
i = i + 1;
|
||
}
|
||
ret = lseek(fd, SEEK_SET, 0);
|
||
if (ret==-1)
|
||
perror ("prob lseek");
|
||
printf ("la nouvelle position est %d\n", ret);
|
||
i = 0;
|
||
while(i<4)
|
||
{
|
||
read (fd, &un_eleve, sizeof(eleve));
|
||
printf ("le nom et la note de l’élève sont %s, %d\n",
|
||
un_eleve.nom,
|
||
un_eleve.note);
|
||
i = i + 1;
|
||
}
|
||
close(fd);
|
||
return 0;
|
||
} |