#include <stdlib.h>
#include <stdio.h>
typedef struct { char x[6*16]; } s;
int main() {
  s* a = (s*) malloc(sizeof(s));
  malloc(16);
  s* b = (s*) malloc(sizeof(s));
  int bytedist = (char*)b - (char*)a;
  int dist = b - a;
  printf("distance %td (%td bytes) pointer: %x mangled pointer: %x\n", dist, bytedist, (int) b, (int) (a + dist));
  return 0;
}