//DLL.CPP
#include <iostream>
#include "libhello.h"

__attribute__ ((constructor)) int init(void)
{
	std::cout<<"Init library"<<std::endl;
	return 0;
}

__attribute__ ((destructor)) int term(void)
{
	std::cout<<"Term library"<<std::endl;
	return 0;
}

int printhello(const char* name)
{
	std::cout<<"Hello, "<<name<<", from library!"<<std::endl;
	return 0;
}

//DLL.H
#ifndef LIBHELLO_H
#define LIBHELLO_H

#ifdef BUILD_DLL
#define DLLAPI __declspec(dllexport)
#else
#define DLLAPI __declspec(dllimport)
#endif

extern "C" DLLAPI int init(void);
extern "C" DLLAPI int term(void);
extern "C" DLLAPI int printhello(const char*);

#endif// LIBHELLO_H

//MAIN.CPP
#include <iostream>

#include <windows.h>

int main(int argc, char* argv[])
{
	std::cout<<"Loading library "<<"libhello.dll"<<std::endl;
	HMODULE hlib = LoadLibrary("libhello.dll");
	if(hlib == NULL){
		std::cerr<<"Error loading library!"<<std::endl;
		return 0;
	}

	int (*printhello)(const char*) = reinterpret_cast<int (*)(const char*)>(GetProcAddress(hlib,"printhello"));
	if(printhello == NULL){
		std::cerr<<"printhello() proc not found!"<<std::endl;
	}

	printhello("user");
	
	FreeLibrary(hlib);
	
	return 0;
}