#include <stdio.h>
typedef void C(void); typedef int R(void);
typedef struct{C *up; R *rd;} ob;
int main(){
  ob o[10]; for(int i = 0; i < 10; ++i) {
    int c = 0; void inc(void) {++c;}; int r(void) {return c;};
    o[i] = (ob){inc, r};};
printf("%d\n", o[3].rd());
o[3].up();
printf("%d\n", o[3].rd());
o[6].up();
printf("%d %d\n", o[3].rd(), o[6].rd());
return 0;}