void commandeExt(char * com, char *suite)
{
pid_t p;
int n, i, bg;
char **V, *pm, *su, *su2;
/* cas normal : le shell fork un fils et attend sa fin */
bg = isDerCar(suite,'&');
if ((p=fork()) < 0) perror(com);
else { /* gestion des deux processus */
if (p == 0) { /* fils */
n = nbMots(suite);
printf("Il y a %d parametres !!\n", n);
V = (char **)malloc((n+2)*sizeof(char*)); /* nb de param + nom commande + NULL */
if (V == (char**)NULL) perror("malloc");
else {
V[0] = com;
su=suite;
for (i=1; i<n+1; i++) {
pm = premierMot(su, &su2);
V[i] = pm;
su = su2;
}
V[i]=NULL;
/* execution */
execvp(com, V);
perror(com);
}
exit(1);
} else { /* le shell */
if (bg) return;
waitpid(p, NULL, 0);
}
}
}
int main(){
gets(str);
printf("\n\n");
printf( "Il y a %d mots\n\n", nbMots(str));
return 0;
}