学步园

Gives the Above error messages when I try to complile the below code..

#include "stdafx.h"
#include <activeds.h>
#include <stdio.h>
#include <activeds.h>
#include<Iads.h>
#include<Atlbase.h>
#include<objbase.h>

int main()
{
HRESULT hr;

hr = CoInitialize(NULL);

IADsADSystemInfo *pSys;
hr = CoCreateInstance(CLSID_ADSystemInfo,
NULL,
CLSCTX_INPROC_SERVER,
IID_IADsADSystemInfo,
(void**)&pSys);

BSTR bstr;
hr = pSys->get_UserName(&bstr);
if (SUCCEEDED(hr)) {
printf("User: %S/n", bstr);
SysFreeString(bstr);
}

hr = pSys->get_ComputerName(&bstr);
if (SUCCEEDED(hr)) {
printf("Computer: %S/n", bstr);
SysFreeString(bstr);
}

hr = pSys->get_DomainDNSName(&bstr);
if (SUCCEEDED(hr)) {
printf("Domain: %S/n", bstr);
SysFreeString(bstr);
}

hr = pSys->get_PDCRoleOwner(&bstr);
if (SUCCEEDED(hr)) {
printf("PDC Role owner: %S/n", bstr);
SysFreeString(bstr);
}

if(pSys) {
pSys->Release();
}

CoUninitialize();
return 0;
}