#include <stdio.h>

int inc

#include 
 int increment();
 int num;
 int main(){
   int i,j;
   for(i=1;i<=3;i++){
     j=increment();
     printf("j=%d ",j);
   }
   printf("num=%d ",num);
   return 0;
 }
 int increment(){
   num++;
   return (num);
 }

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