Below you'll find the source for the Visual Basic 6 function dirname.
Attribute VB_Name = "modDirname"
' This function is downloaded from:
' http://www.stefanthoolen.nl/archive/vb6-functions/
'
' You may freely distribute this file but please leave all comments, including this one, in it.
'
' @Author Stefan Thoolen <mail@stefanthoolen.nl>
Option Explicit
''
' Returns directory name component of path
' Same syntax as the PHP function 'dirname'
' See also: http://www.php.net/manual/en/function.dirname.php
' @param String Path The full path
' @return String Only the directory part of the input string
' @author Stefan Thoolen <mail@stefanthoolen.nl>
Public Function dirname(Path As String) As String
Dim i As Integer
i = InStrRev(Replace(Path, "\", "/"), "/")
If i <= 0 Then Exit Function
dirname = Left(Path, i - 1)
End Function