Use register variable : Register « Language « C++

1. C++
2. Language
3. Register

Use register variable

#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;
}

           
       

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