#include <stdio.h>
void incr(void);

int main(void){
   int i;
   void incr(void);

   for (i=0; i<3; i++)
	incr();
   return 0;
}

void incr(void){
   static int static_i = 0;
   printf("static_i = %d\n", static_i++); 
}