INT 21 - Novell NetWare - FILE SERVER - GET FILE SERVER DESCRIPTION STRINGS
        AH = E3h subfn C9h
        DS:SI -> request buffer (see below)
        ES:DI -> reply buffer (see below)
Return: AL = status
            00h successful
Notes:  this function is supported by Advanced NetWare 2.1+
        the calling workstation must be attached to the file server
SeeAlso: AH=E3h/SF=CDh,AH=E3h/SF=E8h

Format of request buffer:
Offset  Size    Description
 00h    WORD    0001h (length of following data)
 02h    BYTE    C9h (subfunction "Get File Server Description Strings")

Format of reply buffer:
Offset  Size    Description
 00h    WORD    (call) 0200h (size of following results buffer)
 02h    var     ASCIZ name of company distributing this copy of NetWare
        var     ASCIZ version and revision
      9 BYTEs   ASCIZ revision date (mm/dd/yy)
        var     ASCIZ copyright notice