C++/Language/Register

Use register variable

<source lang="cpp">

1. include <iostream>

using namespace std; void clrscr(int size=25); int main() {

 register int i;
 for( i = 0; i < 30; i++ ) 
    cout << i << endl;
 cin.get();
 clrscr();                       // clears 25 lines
 for( i = 0; i < 30; i++ ) 
    cout << i << endl;
 cin.get();
 clrscr(10);                     // clears 10 lines
 return 0;

} void clrscr(int size) {

  for(; size; size--) 
     cout << endl;

}

      </source>