Initializes the given IFFHandle to be a clipboard stream. It installs a
"custom" stream handler (via InitIFF) to handle clipboard streams.
The iff_Stream field of the iffhandle will still need
to be initializes with a ClipboardHandle struct returned from
OpenClipboard().
INPUTS
iff
pointer to an IFFHandle struct.
RESULT
NOTES
EXAMPLE
BUGS
SEE ALSO
OpenClipboard()
INTERNALS
HISTORY
03.02.1997 digulla
Some major hacks because we don't have A6 - The IFFParseBase must be
passed to the hooks in hook->h_Data.