C++ function pointer example

main.cpp

#include <iostream>
#include <stdio.h>
#include <string>

using namespace std;

class Person 
{
  string name;
  public:
  Person(string name)
  {
    this->name = name;
    printf("%s\n", name.c_str());
  };
  const char* getName()
  {
    return name.c_str();
  }
  const char* getName2()
  {
    return name.c_str();
  }
};

typedef const char* (Person::*NamePointer)();
typedef const char* (Person::*NamePointer2)();

int main()
{
  Person p = Person("John");
 
  NamePointer methodPtr = &Person::getName;
  printf("name is %s\n", (p.*methodPtr)());

  Person *ptr = new Person("Alice");
  printf("name is %s\n", (ptr->*methodPtr)());

  NamePointer2 not_a_class_ptr = reinterpret_cast<NamePointer2>(&Person::getName); 

  return 0;
}