#include <iostream>
using namespace std;
int glob = 10;
void access_global();
void hide_global();
void change_global();
int main()
{
cout << "In main() glob is: " << glob << "\n\n";
access_global();
hide_global();
cout << "In main() glob is: " << glob << "\n\n";
change_global();
cout << "In main() glob is: " << glob << "\n\n";
return 0;
}
void access_global()
{
cout << "In access_global() glob is: " << glob << "\n\n";
}
void hide_global()
{
int glob = 0; // hide global variable glob
cout << "In hide_global() glob is: " << glob << "\n\n";
}
void change_global()
{
glob = -10; // change global variable glob
cout << "In change_global() glob is: " << glob << "\n\n";
}
| 
