Int 16 Fn 55FF  C - Microsoft Word - Tsr Cooperation???                    [U]

   AX = 55FFh
   BX >= 0004h (version of Microsoft Word [BL = major] ???)
   CX = function
       0000h set ??? flag
       other clear ??? flag

Notes: hooks intercepting this call are present in SWAPSH and SWAPDT v1.77j,
     distributed with PC Tools v7, as well as the Trusted Access
     SCRNBLNK.COM; this may be part of the standard TesSeRact library
   known to be called by the German edition of Microsoft Word 5.0

See Also: AX=5500h,INT 2F/AX=5453h