Declare CoGetClassObjectFromURL() in urlmon.h.

- Add privilege checks for RegLoadKey, RegUnloadKey & RegSaveKey
  calls.

erase, to avoid setting a null update region in an owned DC.
Avoid potential double delete of the update region on return from
send_erase.

exist.

right.

option.

required STGFMT_* enumerations.

  parameter block, use that and do not inherit from the calling
  process.
- Call FreeEnvironmentStrings when the strings are no longer used.

regarding the SHGDN_INFOLDER flag.

  number of elements in the queue
- trace the GetDeviceState values before they are reset

- more Windows-aligned check for object instances

- Fix an error due to "invalid lvalue in assignment" with gcc 4 on
  Darwin 8.0.

winapi_check directory.  Merge winapi_check programs.