void function(object* thing)
{
    bool enabled = thing && thing->enabled() ? true : false;
    ...
}

extern "C"
{
	#include "gz.cpp"
	#include "md4.cpp"
	#include "socket.cpp"
	#include "tdlini.cpp"
	#include "tdlfs.cpp"

}

const int TWENTY_EIGHT = 28;

int chromosome::getScore()
{
    return this->getScore();
}

int var = 0;
int* ptr = &var;
ptr[0] = 5;
std::cout << ptr[0];