Reviewed-by: NTim Hudson <tjh@openssl.org>

GetDIBits has been around since Windows2000 and
BitBitmapBits is an old Win16 compatibility function
that is much slower.
Reviewed-by: NTim Hudson <tjh@openssl.org>

Windows 8 SDKs complain that GetVersion() is deprecated.

We only use GetVersion like this:

	(GetVersion() < 0x80000000)

which checks if the Windows version is NT based. Use a macro check_winnt()
which uses GetVersion() on older SDK versions and true otherwise.

Submitted by: James Baker <jbaker@tableausoftware.com> et al.

Workaround for slow Heap32Next on some versions of Windows.

SIZE_T].

ULONG_PTR, so we replace it with equally wide SIZE_T.

invalidated the whole clause] and replace it with #if _WIN32_WCE>=210.

inspired by VC6 failure report. In addition abstain from taking screen
snapshots when running in NT service context.

Fix Win32 build system to use 'Makefile' instead of 'Makefile.ssl'.

Submitted by: Gertjan van Oosten <gertjan@West.NL>

PR: #804

1. CreateToolhelp32Snapshot returns INVALID_HANDLE_VALUE, not NULL, on error.
2. On Windows CE, a snapshot handle is closed with CloseToolhelp32Snapshot,
   not CloseHandle.

PR: 264

use _emit instead

Pointed out by Jeremy Cooper <jeremy@baymoo.org>

missed any.

This compiles and runs on Linux, and external applications have no
problems with it.  The definite test will be to build this on VMS.

Problem reported by "Wolfgang Marczy" <WMarczy@topcall.co.at>
in a message to openssl-dev (19 Dec 2000 13:40:51 +0100).

them for a short period of time (actually, poll them with select(),
then read() whatever is there), which is about 10ms (hard-coded value)
each.

Separate Windows and Unixly code, and start on a VMS variant that
currently just returns 0.

Spotted by "David Schwartz" <davids@webmaster.com>.

The randomness may not actually be very good (we don't know).

work better in Win32.  Verified by zhu qun-ying <qyzhu@krdl.org.sg>.

so disable that part.
Reported by Jeffrey Altman <jaltman@columbia.edu>