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

void main(void) {
  int* ptr = (int*) malloc(sizeof(int));
  if (ptr == NULL) {
    printf("Allocation avortee\n");
  }
  else {
    printf("Allocation reussie a l'adresse : %p\n", ptr);
    printf("%d\n", *ptr);
    *ptr = 111;
    printf("%d\n", *ptr);
  }
}