/*
   testrep8.cpp
   CIS 150
   6/10/2008
   David Klick
  
   Demonstration of a sentinel-controlled loop.
*/

#include <iostream>
using std::cout;
using std::cin;

void cont();

int main() {
   int num;   // variable for user input
   
   num = 0;   // make sure variable not set to sentinel value
   do {
      cout << "Enter integer (-999 to exit): ";
      cin >> num;
   } while (num != -999);

   cont();
   return 0;
}

void cont() {
   if (cin.rdbuf()->sungetc() != -1 && cin.get() != '\n') cin.ignore(80,'\n');
   cout << "Press enter to continue...";
   cin.get();
}

/*
   Sample output:

   Enter integer (-999 to exit): 54
   Enter integer (-999 to exit): -200
   Enter integer (-999 to exit): -999
*/