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  1. #include <iostream>
  2.  
  3. void Foo()   { std::cout << "Foo"    << std::endl; }
  4. void Bar()   { std::cout << "Bar"    << std::endl; }
  5. void FooBar(){ std::cout << "FooBar" << std::endl; }
  6. void Baz()   { std::cout << "Baz"    << std::endl; }
  7. void FooBaz(){ std::cout << "FooBaz" << std::endl; }
  8.  
  9.  
  10. int main()
  11. {
  12.  
  13.     void (*pFunc[])() = {Foo, Bar, FooBar, Baz, FooBaz};
  14.  
  15.     int choice;
  16.     std::cout << "Which function: ";
  17.     std::cin >> choice;
  18.     std::cout << std::endl;
  19.  
  20.     pFunc[choice]();
  21.  
  22.  
  23.     // or iteratley call them all:
  24.  
  25.     std::cout << "calling functions iteraely:" << std::endl;
  26.  
  27.     for(int i(0); i < 5; i++)
  28.     {
  29.         pFunc[i]();
  30.     }
  31.  
  32.     std::cout << std::endl;
  33.     return 0;
  34. }
  35.  
Success #stdin #stdout 0s 3476KB
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Which function: 
Baz
calling functions iteraely:
Foo
Bar
FooBar
Baz
FooBaz
https://ideone.com/KuH4YE
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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