/*
 * Demo the use of :: to access shadowed global variable in C++.
 *
 * Jed Yang, 2017-10-29
 */
#include <stdio.h>

int x = 23;

int main(void) {
   printf("%d\n", x);      // global
   int x = 371;
   printf("%d\n", x);      // local, shadowing global
   printf("%d\n", ::x);    // accessing the shadowed global
   return 0;
}