sum10.c

sum10.c

#include <stdio.h>

typedef struct {unsigned short total, count; } s;

#define M_COUNT(x) (((s*)&x)->count)
#define M_TOTAL(x) (((s*)&x)->total)

int main(){
  int x = 0;
  for(M_COUNT(x)=1; M_COUNT(x)<=100; ++M_COUNT(x)){
    M_TOTAL(x) += M_COUNT(x);
  }
  printf("result = %d\n", M_TOTAL(x));
  return 0;
}