The team presents:

The Undocumented Functions
The Undocumented Functions

Microsoft Windows NT/2K/XP/2003

Microsoft Windows NT/2K/XP/2003

Gridstore - NonStop Storage

Currently includes: UserMode (Kernel Mode soon)

This is an advanced, low-level programer's guide to Windows NT Kernel, Native API and drivers.
All remarks, fixes and comments are very welcome. CHM version no longer available.
If Java Tree on the left doesn't work, try the Alphabetical Index


This software and / or documentation is provided at no cost and can be redistributed freely, in its entirety or in parts, as long as the Copyright notice and author's name are included. You are hereby permited to use, view, read, copy, print, publish, redistribute and modify this software and / or documentation, under conditions described herein.

This software / documentation is provided to you "as is" without warranty of any kind. By using this material you accept all of the related risks and all direct and indirect consequences, including potential data loss and hardware damage.

If you do not agree to these license conditions, please do not use our software and / or documentation.

Written entirely by Tomasz Nowak <>
Sources of information and materials referenced inside
Web release by Antoni Sawicki <>
Copyright © 1999-2008 NTinternals