#include
int i =0; //Global variable
main(){
int i ; // local variable
void f1(void) ;
i =0;
printf("value of i in main %d\n",i);
f1();
printf("value of i after call%d\n",i);
}
f1(void)
{
int i=0;
i = 50;
}
value of i in main 0
value of i after call 0