code: def read_windows_environ():
      
  
      res = winapi.GetEnvironmentStringsW()
      if not res:
          raise ctypes.WinError()
  
      res = ctypes.cast(res, ctypes.POINTER(ctypes.c_wchar))
  
      done = []
      current = u""
      i = 0
      while 1:
          c = res[i]
          i += 1
          if c == u"\x00":
              if not current:
                  break
              done.append(current)
              current = u""
              continue
          current += c
  
      dict_ = {}
      for entry in done:
          try:
              key, value = entry.split(u"=", 1)
          except ValueError:
              continue
          key = _norm_key(key)
          dict_[key] = value
  
      status = winapi.FreeEnvironmentStringsW(res)
      if status == 0:
          raise ctypes.WinError()
  
      return dict_
docs: Returns a unicode dict of the Windows environment.
  
      Raises:
          WindowsEnvironError