GetAdaptersInfo / WSAIoctl の SIO_GET_INTERFACE_LIST / WMI の Win32_NetworkAdapterConfiguration でオフラインのIPアドレスの設定情報が取得できない件

       for (n = 0; n < num_if; ++n) {
        struct sockaddr_in *sa;
        sa = (struct sockaddr_in*)&(if_list[n].iiAddress);
            printf("IP: %s",inet_ntoa(sa->sin_addr));
            printf("MASK: %s",inet_ntoa(((struct sockaddr_in*)&if_list[n].iiNetmask)->sin_addr);
      }
   }

                     VariantInit(&pVal);
                     pB->Get(L"MACAddress", 0, &pVal, NULL, NULL);
                     if(pVal.vt==VT_BSTR)wsprintf(mac,"%ws",pVal.bstrVal);

                     VariantInit(&pVal);
                     pB->Get(L"InterfaceIndex", 0, &pVal, NULL, NULL);
                     ui=pVal.uintVal;
                     VariantInit(&pVal);
                     pB->Get(L"IPEnabled", 0, &pVal, NULL, NULL);
                     if(pVal.vt==VT_BOOL)if(pVal.boolVal)
                     {
                          VariantInit(&pVal);
                          pB->Get(L"IPAddress", 0, &pVal, NULL, NULL);
                          if(pVal.vt==(VT_ARRAY|VT_BSTR))wsprintf(ip,"%ws",*(int*)pVal.parray->pvData) ;
                          VariantInit(&pVal);
                          pB->Get(L"IPSubnet", 0, &pVal, NULL, NULL);
                          if(pVal.vt==(VT_ARRAY|VT_BSTR))wsprintf(ip2,"%ws",*(int*)pVal.parray->pvData) ;
                          VariantInit(&pVal);
                          pB->Get(L"DefaultIPGateway", 0, &pVal, NULL, NULL);
                          if(pVal.vt==(VT_ARRAY|VT_BSTR))wsprintf(ip3,"%ws",*(int*)pVal.parray->pvData) ;
                          VariantInit(&pVal);
                     }
        }