VBA Developers Handbook, 2nd Edition. questions on procedures and functions

The two API calls are at the top of the DateTime.bas file:

Private Declare Function GetLocaleInfo _
 Lib "kernel32" Alias "GetLocaleInfoA" _
 (ByVal Locale As Long, ByVal LCType As Long, _
 ByVal lpLCData As String, ByVal cchData As Long) As Long

Private Declare Function GetSystemDefaultLCID _
 Lib "kernel32" () As Long

I have attached the two files you mentioned.