#include <stdio.h>
#include <stdlib.h>

void main(void) {
  size_t taille = 100000000;
  char* tc = (char *) calloc(taille,sizeof(char));
  if (tc != NULL) {
    int cpt = 0;
    for (int i = 0; i < taille; i++) {
      if (tc[i] != 0x00) {
        cpt++;
      }
    }
    printf("%d valeur(s) differentes de 0x00\n", cpt);
  }
  if (tc != NULL) {
    free(tc);
    tc = NULL;
  }
}