INT 21 - Novell NetWare - FILE SERVER - CHECK CONSOLE PRIVILEGES
        AH = E3h subfn C8h
        DS:SI -> request buffer (see below)
        ES:DI -> reply buffer (see below)
Return: AL = status
            00h successful
            C6h no console rights
Desc:   determine whether the caller is a console operator
Notes:  this function is supported by Advanced NetWare 2.1+
        NetWare determines console privileges by checking the file server's
          OPERATOR property for the caller's object ID
SeeAlso: AH=E3h/SF=C9h,AH=E3h/SF=D1h

Format of request buffer:
Offset  Size    Description
 00h    WORD    0001h (length of following data)
 02h    BYTE    C8h (subfunction "Check Console Privileges")

Format of reply buffer:
Offset  Size    Description
 00h    WORD    (call) 0000h (no results returned)

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