format. This saves us from triggering a kernel freeze on some OSS 2.4
+ SoundBlaster 16 systems.

- Eliminate the corresponding fixed-size buffer which removes the
  limitation to 3 character extensions.
- Fix handling of the trailing '.' case.
- Do a case-insensitive check for the extension in win.ini.
Increase the size of the command buffer to 1024.

  respective files
- rewrite CreateFolderEnumList to only FindFirstFile/FindNextFile once

be nonexistent values.

instead of depending on the subsystem type.

RtlStringFromGUID.

- implement some debugging functions (debugstr_SP)
- implement IDirectPlay8Address::GetSP/IDirectPlay8Address::SetSP

- _ILCreateFromFindDataA(): type cast to eliminate MSVC compiler
  warning.

- improved error checking and conformance with Windows
- remove some spurious error messages

startup.

- stub for NtImpersonateAnonymousToken