Int 13 Fn 9C  - Super PC-kwik V5.10+ - ???                                 [c]

   AH = 9Ch
   SI = 4358h
   ???

Return: ???

Note:  functions 9Ch and 9Dh are the only ones which are fully reentrant; all
     other PC-Kwik API calls (INT 13/81h-B0h) return AX=0200h and CF clear
     if a previous call is still in progress