Int 7F Fn F8  - Alloy Mw386 - Assign User To Group                         [N]

   AH = F8h
   AL = group number
   DL = user number
   DH = machine number (currently 00h)

Return: CF clear if successful
   CF set on error (user already in maximum number of groups)

Note:  each user is allowed eight group assignments

See Also: AH=F9h,AH=FAh