Link as a C function : extern « Language Basics « C++ Tutorial

1. C++ Tutorial
2. Language Basics
3. extern

#include <iostream>
using namespace std;

extern "C" void myCfunc();

int main()
{
  myCfunc();

  return 0;
}

// This will link as a C function.
void myCfunc()
{
  cout << "This links as a C function.\n";
}

This links as a C function.