1: //sayhi2.cpp
2: //Displays a greeting.
4: #include <iostream>
5: using namespace std;
8: void DescribeProgram();
9: void DisplayGreeting();
12: int main()
13: {
14: DescribeProgram();
15: DisplayGreeting();
16: cout << endl;
17: }
20: void DescribeProgram()
21: //Pre: The cursor is at the left margin.
22: //Post: The program description has been displayed,
23: // preceded and followed by at least one blank line.
24: {
25: cout << "\nThis program displays a greeting.\n\n";
26: }
29: void DisplayGreeting()
30: //Pre: The cursor is at the left margin.
31: //Post: A one-line greeting has been displayed,
32: // preceded and followed by at least one blank line.
33: {
34: cout << "\nHi there!\n\n";
35: }