error LNK 2019

Error1 error LNK2019: unresolved external symbol "__declspec(dllimport) public: __thiscall fc_dll::fck_dll::~fck_dll(void)" (__imp_??1fck_dll@fc_dll@@QAE@XZ) referenced in function _main

Error3 error LNK2019: unresolved external symbol "__declspec(dllimport) public: __thiscall fc_dll::fck_dll::fck_dll(void)" (__imp_??0fck_dll@fc_dll@@QAE@XZ) referenced in function _main

Error2 error LNK2019: unresolved external symbol "__declspec(dllimport) public: void __thiscall fc_dll::fck_dll::rewrite(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > *)" (__imp_?rewrite@fck_dll@fc_dll@@QAEXPAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z) referenced in function _main

Error4 fatal error LNK1120: 3 unresolved externals  C:\Users\St0p!\Documents\Visual Studio 2008\Projects\fc_test\Debug\fc_test.exe

#ifndef __FC_DLL__
#define __FC_DLL__

#ifdef __DLL
#define __EXP_FC_DLL __declspec(dllexport)
#else
#define __EXP_FC_DLL __declspec(dllimport)
#endif

#include <iostream>



namespace fc_dll
{

    class __EXP_FC_DLL fck_dll
    {
    public:
        fck_dll();
        ~fck_dll();
        void rewrite(std::string* str);
    };

}//End of fc_dll namespace

#endif

#define __DLL

#include "fc_dll.h"
#include <iostream>

using namespace fc_dll;

fck_dll::fck_dll()
{
}

fck_dll::~fck_dll()
{
}

void fck_dll::rewrite(std::string* str)
{
    *str="yoyoyoy!!!";
}

#include "../fc_dll/fc_dll.h"
#include <iostream>

using namespace fc_dll;


int main()
{
    fck_dll fcd;
    std::string str="PIACE!!!";
    fcd.rewrite(&str);
    std::cout<<"str is\n";//<<str;
    char ch;
    std::cin>>ch;
    return 0;
}