#include<stdio.h>

void useLocal( void );


int main( void )
{
int x = 5;
printf("x in main is %d\n", x);

useLocal();

printf("\nx in main after calling useLocal is %d\n", x);

return 0;
}


void useLocal(void)
{
int y = 25;

printf("\n y is %d on entering useLocal.\n", y);

y *= 10;

printf("\n y is %d on exiting useLocal.\n", y);
}