INT 21 - Novell NetWare - FILE SERVER - GET BINDERY OBJECT DISK SPACE LEFT
        AH = E3h subfn E6h
        DS:SI -> request buffer (see below)
        ES:DI -> reply buffer (see below)
Return: AL = status
            00h successful
            C6h no console rights
Notes:  this function is supported by Advanced NetWare 2.1+
        one must have console operator privileges to get the free space for
          other bindery objects
SeeAlso: AH=E3h/SF=E8h,AH=E3h/SF=E9h

Format of request buffer:
Offset  Size    Description
 00h    WORD    0005h (length of following data)
 02h    BYTE    E6h (subfunction "Get Bindery Object Disk Space Left")
 03h    DWORD   object ID (big-endian)

Format of reply buffer:
Offset  Size    Description
 00h    WORD    (call) 000Fh (size of following results buffer)
 02h    DWORD   clock ticks elapsed since server started (big-endian)
 06h    DWORD   object ID (big-endian)
 0Ah    DWORD   4K disk blocks available to user (big-endian)
 0Eh    BYTE    restrictions
                00h enforced
                FFh not enforced