Description. This function is used to enter single-user mode on a given node.
Signature.
int ndb_mgm_enter_single_user
    (
      NdbMgmHandle          handle,
      unsigned int          id,
      struct ndb_mgm_reply* reply
    )
Parameters. This function takes 3 parameters:
                  An NdbMgmHandle.
                
                  The id of the node to be
                  used in single-user mode.
                
                  A pointer to an ndb_mgm_reply
                  structure, used for a reply
                  message.
                
Return value. 
            Returns -1 in the event of failure.
          
