Int 7F Fn FA  - Alloy Mw386 - Get User Group List                          [N]

   AH = FAh
   DL = user number
   DH = machine number (currently 00h)
   ES:DI -> 16-byte buffer for group list

Return: CX = number of groups
   ES:DI buffer filled with group numbers

See Also: AH=F8h,AH=F9h