获取主机名

//获取主机名
BSTR CQyHWinfo::GetMName(void)
{
 AFX_MANAGE_STATE(AfxGetStaticModuleState());
 CString strResult = L"HE01";
 char sHostName[256];
 int nRetCode;
 nRetCode = gethostname(sHostName,sizeof(sHostName));
 if (nRetCode == 0){//获取成功
  if (strlen(sHostName) < 100){
   WCHAR wcName[100] = {0};
   size_t Convert = 0;
   mbstowcs_s(&Convert,wcName,100,sHostName,100);
   strResult = wcName;
  }
 }
 cout<<"host name:/n"<<sHostName<<endl;
 return strResult.AllocSysString();
}