LPCWSTR w;
wchar_t p[MAX_PATH], pw[MAX_PATH], pp[MAX_PATH];
…

	wchar_t p[MAX_PATH], pw[MAX_PATH], pp[MAX_PATH];
	CString strOut;
	strOut.Format("%s%s%s", p, pw, pp);

s.Format("%s%c%s%c%s", p, L'\n',pp, L'\n',pw);

	WCHAR x[] = L"xru хрю 1";
	WCHAR xx[] = L"xru хрю 2";
	WCHAR xxx[] = L"xru хрю 3";

	WCHAR out[ 100 ];
	out[ 0 ] = 0x00;
	wcsncat_s(out,  100 , x, wcslen(x));
	wcsncat_s(out,  100 , xx, wcslen(xx));
	wcsncat_s(out,  100 , xxx, wcslen(xxx));

extern "C" __declspec(dllexport) WCHAR * ReadLink(LPCWSTR LnkPath)
{
	HRESULT hres;
	int szBuf,SW;
	IShellLinkW * psl;
	IPersistFile * pfd;
	LPCOLESTR LnkPathC = (LPCOLESTR)LnkPath;
	WCHAR  s[MAX_PATH * 3  +  4 ];
	s[ 0 ] = 0x00;
	WCHAR p[MAX_PATH],pw[MAX_PATH],pp[MAX_PATH];

	hres = CoInitialize(NULL);
	if (hres == S_OK || hres == S_FALSE)
	{
		if (CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLinkW, (LPVOID*)&psl) == S_OK)
		{
			if(psl->QueryInterface(IID_IPersistFile,(LPVOID*)&pfd) == S_OK)
			{
				if(pfd->Load(LnkPathC, STGM_READWRITE | STGM_SHARE_EXCLUSIVE) == S_OK)
				{
					
					szBuf= (MAX_PATH+ 1 ) * sizeof(wchar_t);
					if(psl->GetPath(p,szBuf, NULL,SLGP_UNCPRIORITY) == S_OK)
					{
                                                //Пошло строительство:
						wcsncat(s,p,wcslen(p));
						wcsncat(s,L"\n",wcslen(L"\n"));

						if(psl->GetArguments(pp, szBuf) == S_OK)
							wcsncat(s,pp,wcslen(pp));
						else
							wcsncat(s,L"dEadlInk",wcslen(L"dEadlInk"));
						wcsncat(s,L"\n",wcslen(L"\n"));

						if(psl->GetWorkingDirectory(pw, szBuf) == S_OK)
							wcsncat(s,pw,wcslen(pw));
						else
							wcsncat(s,L"dEadlInk",wcslen(L"dEadlInk"));
						wcsncat(s,L"\n",wcslen(L"\n"));

						if(psl->GetShowCmd(&SW) != S_OK) SW =  1 ; 
						switch (SW)
						{
							case SW_SHOWMAXIMIZED:
								wcsncat(s,L"3",wcslen(L"3"));
								break;
							case SW_SHOWMINNOACTIVE:
								wcsncat(s,L"7",wcslen(L"7"));
								break;
							default:
								wcsncat(s,L"1",wcslen(L"1"));
								break; 
						}				
					pfd->Release();
					}
					else wcsncat(s,L"Not GetPath",wcslen(L"Not GetPath"));
				}
				else wcsncat(s,L"Not Load",wcslen(L"Not Load"));
				psl->Release();
			}
			else wcsncat(s,L"Not QueryInterface",wcslen(L"Not QueryInterface"));
			CoUninitialize();
		}
		else wcsncat(s,L"Not CoCreateInstance",wcslen(L"Not CoCreateInstance")); 
	}
	else wcsncat(s,L"Not CoInitialize",wcslen(L"Not CoInitialize"));

return s;
 	
}

extern "C" __declspec(dllexport) LPCWSTR ReadLink(LPCWSTR LnkPath)
{
...
LPCWSTR l(s);
return l;
}

extern "C" __declspec(dllexport) LPCWSTR ReadLink(LPCWSTR LnkPath)
{
WCHAR  s[MAX_PATH * 3  +  4 ];
s[ 0 ] = 0x00;
...
// Идет передача инфы в s
...
LPCWSTR l(s);
return l;
}

extern "C" __declspec(dllexport) LPCWSTR ReadLink(LPCWSTR LnkPath)
{
extern WCHAR  s[MAX_PATH * 3  +  4 ];
s[ 0 ] = 0x00;
...
LPCWSTR l(s);
return l;
}

extern "C" __declspec(dllexport) LPCWSTR ReadLink(LPCWSTR LnkPath, WCHAR *s, WORD s_len);

extern "C" __declspec(dllexport) HRESULT ReadLink(LPCWSTR LnkPath, WCHAR *s, WORD s_len);