ken,	/* session token to opened datastore */
        TCHAR		*fieldNamePtr,
        FieldID		fieldID,
        void		**blockPtrPtr,
        word		*blockSizePtr,
        MemHandle		*blockHanPtr);</PRE>
<P>
Writes contents of the passed field to a block. If <EM>
blockPtrPtr</EM>
 is NULL, allocates a block and writes its handle to <EM>
blockHanPtr</EM>
 and its size to <EM>
blockSizePtr</EM>
. If <EM>
blockPtrPtr</EM>
 is not NULL and field data exceeds block size, copies <EM>
blockSizePtr</EM>
 bytes to the bl