/*
   testpointer2.cpp
   CIS 150
   David Klick
   6/28/05
   
   Passing a pointer to a function.
*/

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

void getnum(char* prompt, int* p);

int main(void) {
   int n;
   getnum("Enter an integer: ", &n);
   cout << "You entered " << n << '\n';
   return 0;
}

void getnum(char* prompt, int* p) {
   int val;
   
   // get integer from user
   cout << prompt;
   cin >> val;
   
   // store value where calling program requested
   *p = val;
}