Yurttas/PL/OOL/Cplusplus/F/02/04/05/00/01/a 01.cpp

 1/*
 2   Copyright(C) 1998
 3   All Rights Reserved. Salih Yurttas, ZCubes, BitsOfCode Software Systems, Inc..
 4
 5   Permission to use, copy, modify, and distribute this
 6   software and its documentation for EDUCATIONAL purposes
 7   and without fee is hereby granted provided that this
 8   copyright notice appears in all copies.
 9 
10   date   : January 1, 1998.
11   author : Salih Yurttas.
12
13   a_01.cpp
14*/
15
16
17#include <iostream>
18
19using namespace std;
20
21extern void f_a(double& a);
22
23int main(int argc, char* argv[]) {
24
25  double a;
26
27  cout << "--> a : ";
28  cin >> a;
29
30  cout << endl;
31  cout << "a = " << a;
32  cout << endl;
33
34  f_a(a);
35
36  cout << endl;
37  cout << "a = " << a;
38  cout << endl;
39
40}