The hook thread field has been reused for win events, so it no longer
works for low-level hardward hooks. Use the owner field instead.

Fixed a couple of potential fd leaks.

Implement CreateTapePartition, EraseTape, GetTapeParameters,
GetTapePosition, GetTapeStatus, PrepareTape, SetTapeParameters,
SetTapePosition and WriteTapemark.

Add a few tests for this.

by Mike McCormack).

- Stretch bitmaps and icons to the whole control size if
  SS_CENTERIMAGE is absent
- Draw the background of centered bitmaps and icons with the
  background brush (like Windows XP for applications with a manifest)

- remove restriction of one IP address per interface
- remove dead code, and make static functions that can be
- update comments and copyright notice

registered for itself.

instead of the base.

Make a copy instead of a link if the original file is writable.

Create a set_fd_user function.
Update create_file() to use the above functions.

to the real libc functions instead.