/* Demonstrates local variables. */

#include <stdio.h>

int x = 1, y = 2;

void demo(void);

main()
{
   printf("\nBefore calling demo(), x = %d and y = %d.", x, y);
   demo();
   printf("\nAfter calling demo(), x = %d and y = %d.\n", x, y);
 
   return 0;
}

void demo(void)
{
   /* Declare and initialize two local variables. */

   int x = 88, y = 99;

   /* Display their values. */

   printf("\nWithin demo(), x = %d and y = %d.", x, y);
}