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

void main(void) {
  int v = 100000000;
  printf("%d\n", v);
  printf("%zu\n", sizeof(v));
  printf("%p\n", &v);
  int* pv1 = &v;
  printf("%zu\n", sizeof(pv1));
  printf("%d\n", *pv1);
  ++*pv1;      // (*pv1)++ marche aussi
  printf("%d\n", *pv1);
  unsigned char* pv2 = (unsigned char*) &v;
  printf("%2X %3d\n", *pv2, *pv2);
  printf("%2X %3d\n", *(pv2 + 1), *(pv2 + 1));
  printf("%2X %3d\n", *(pv2 + 2), *(pv2 + 2));
  printf("%2X %3d\n", *(pv2 + 3), *(pv2 + 3));
  *(pv2 + 1) = 100;
  printf("%d\n", v);
}