Compatibility: WIN 3.0+
Expects: AX    1700H
Returns: AX    1700H = Clipboard fns are not available
else  = AL= major version number
AH= minor version number
Info: Use this to see if you are running in a DOS session under Windows
and to see if clipboard support is available.  Equivalent to

- -

INT 2fH 1700H: Is Clipboard Available?