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

int x1, y1, y2, z1, z2;

int *px1 = &x1,
    *py1 = &y1, *py2 = &y2,
    *pz1 = &z1, *pz2 = &z2;

void aux(int **p, int ***q)
{
  **p  = 2;
  ***q = 99;
  *p   = pz1;
  **p  = 12;
  p    = &py2;
  *q   = &px1;
  **p  = 4;
  ***q = 42;
}

int main(void)
{
  int **p, **q, ***r, s, *t;
  p    = &py1;
  q    = &px1;
  r    = &q;
  *p   = &s;
  **q  = 1;
  **p  = 34;
  ***r = 76;
  t    = **r;
  r    = &p;

  aux(p, &q);
  printf("%d %d %d %d %d \n",
         **q, **p, ***r, s, *t);
  return 1;
}