The OpenClusterNode function opens a node and returns a handle to it.
HNODE WINAPI OpenClusterNode(
  HCLUSTER hCluster,    
  LPCWSTR lpszNodeName  
);
 If the operation was successful, OpenClusterNode returns a node handle.
  Version: Use Windows NT Server Enterprise Edition 4.0.
  Windows CE: Unsupported.
  Header: Declared in clusapi.h.