Simple DLL loading example, windows only

DLLLoad.cpp

#include "DLLLoad.h"

int func1() {
	printf("func1\n");
	func2();
	printf("done\n");
	return 132;
}
void func2() {
	printf("func2\n"); func3(); }
void func3() {
	printf("func3\n");
	printf("hey\n");
	printf(a);
}

DLLLoad.h

#pragma once

#include <stdio.h>

extern "C" {
	 __declspec (dllexport) int func1();
}
	void __declspec (dllexport) func2();
	void func3();

	char* a = "test test\n";

main.cpp

#include <windows.h>
#include <iostream>

typedef int(*func_ptr_t) ();

int main(int args, char **argc){
	HINSTANCE  dll = LoadLibrary("DLLTest.dll");
	if (dll) {
		func_ptr_t a = (func_ptr_t) GetProcAddress(dll, "func1");
		if (!a) {
			printf("Function not found");
		}
		else {
			int n = a();
			std::cout << n << std::endl;
		}
	}
	else {
		printf("dll not found");
	}
	system("pause");
}