typedef struct{void (*inc)(void); int (*read)(void);} cp;
cp cc() {return ({int count = 0;
  void inc(){++count;};
  int read(){return count;};
  (cp){inc, read};});};

// Demo
#include <stdio.h>
int main(){cp c1 = cc(), c2=cc();
  c1.inc(); c2.inc(); c1.inc();
  printf("%d %d\n", c1.read(), c2.read());
  return 0;}
// => 3 3   which is of course wrong.