6-11

 1 #include<iostream>
 2 
 3 using namespace std;
 4 
 5 void printStuff(float data)
 6 {
 7     cout<<"this is the print stuff function."<<endl;
 8 }
 9 
10 void printMessage(float data)
11 {
12     cout<<"the data to be listed is"<<data<<endl;
13 }
14 
15 void printFloat(float data)
16 {
17     cout<<"the data to be printed is"<<data<<endl;
18 }
19 
20 const float PI=3.1415926;
21 const float TWO_PI=PI*2.0f;
22 
23 int main()
24 {
25     void (*functionPointer)(float);
26     printStuff(PI);
27     functionPointer=printStuff;
28     functionPointer(500.50);
29 
30 }