Int 21 Fn E2  - Novell Netware - Directory Services - Get Volume Info Wit  [N]

   AH = E2h subfn 15h
   DS:SI -> request buffer (see below)
   ES:DI -> reply buffer (see below)

Return: AL = status
       00h successful

Note:  this function is supported by NetWare 4.0+, Advanced NetWare 1.0+, and
     Alloy NTNX

See Also: AH=DAh,AH=E2h/SF=02h,AH=E2h/SF=06h,AH=E2h/SF=19h,AH=E3h/SF=E9h

Format of request buffer:
Offset Size    Description
 00h   WORD    0002h (length of following data)
 02h   BYTE    15h (subfunction "Get Volume Info With Handle")
 03h   BYTE    directory handle

Format of reply buffer:
Offset Size    Description
 00h   WORD    (call) 001Ch (length of following results buffer)
 02h   WORD    (big-endian) sectors per block
 04h   WORD    (big-endian) total blocks on volume
 06h   WORD    (big-endian) blocks available on volume
 08h   WORD    (big-endian) total directory slots
 0Ah   WORD    (big-endian) directory slots available
 0Ch 16 BYTEs  NUL-padded volume name
 1Ch   WORD    (big-endian) flag: volume removable if nonzero