INT 21 - Novell NetWare - DIRECTORY SERVICES - DELETE DIRECTORY
        AH = E2h subfn 0Bh
        DS:SI -> request buffer (see below)
        ES:DI -> reply buffer (see below)
Return: AL = status (00h,8Ah,98h,9Bh,9Ch,9Fh,A0h) (see AH=E2h/SF=00h)
Note:   this function is supported by NetWare 4.0+, Advanced NetWare 1.0+, and
          Alloy NTNX
SeeAlso: AH=E2h/SF=0Ah,AH=E2h/SF=0Fh

Format of request buffer:
Offset  Size    Description
 00h    WORD    length of following data (max 103h)
 02h    BYTE    0Bh (subfunction "Delete Directory")
 03h    BYTE    directory handle
 04h    BYTE    unused
 05h    BYTE    length of directory path (00h-FFh)
 06h  N BYTEs   directory path

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