INT 21 - Novell NetWare - FILE SERVER - GET PATH FROM DIRECTORY ENTRY
        AH = E2h subfn 1Ah
        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
SeeAlso: AH=E2h/SF=06h,AH=E3h/SF=D7h

Format of request buffer:
Offset  Size    Description
 00h    WORD    0004h (length of following data)
 02h    BYTE    1Ah (subfunction "Get Path From Directory Entry")
 03h    BYTE    volume number (00h-1Fh)
 04h    WORD    directory entry number (big-endian)

Format of reply buffer:
Offset  Size    Description
 00h    WORD    (call) size of following results record (max 200h)
 02h 256 BYTEs  path