code: def _settzkeyname():
      handle = winreg.ConnectRegistry(None, winreg.HKEY_LOCAL_MACHINE)
      try:
          winreg.OpenKey(handle, TZKEYNAMENT).Close()
          TZKEYNAME = TZKEYNAMENT
      except WindowsError:
          TZKEYNAME = TZKEYNAME9X
      handle.Close()
      return TZKEYNAME
  
imports: import datetime
  import struct
  from six.moves import winreg
  from six import text_type
  from ._common import tzrangebase
label_desc: Use image node_id 1 for calling a global function with example usage: _settzkeyname() and returns: TZKEYNAME