#include "stdafx.h"
 
BOOL APIENTRY DllMain( HANDLE hModule, 
                       DWORD  ul_reason_for_call, 
                       LPVOID lpReserved
					 )
{
    return TRUE;
}
 
int __declspec (dllexport) add (int a, int b)
{
	return a + b;
}

Declare Function test Lib "dll.dll" Alias "add" (ByVal a AS Integer, ByVal b AS _
  Integer) AS Integer
 
test(1,2)

#include "stdafx.h"
#include <stdio.h>
 
int __declspec (dllimport) add (int a, int b);
 
int main(int argc, char* argv[])
{
	printf("Hallo Welt!\n%i", add (1,2));
}