INT 21 - Novell NetWare - DIRECTORY SERVICES - SCAN DIRECTORY FOR TRUSTEES
        AH = E2h subfn 0Ch
        DS:SI -> request buffer (see below)
        ES:DI -> reply buffer (see below)
Return: AL = status
            00h successful
            9Ch no more trustees
Note:   this function is supported by Advanced NetWare 1.0+ and Alloy NTNX
SeeAlso: AH=E2h/SF=0Eh,AH=E3h/SF=47h

Format of request buffer:
Offset  Size    Description
 00h    WORD    length of following data (max 103h)
 02h    BYTE    0Ch (subfunction "Scan Directory For Trustees")
 03h    BYTE    directory handle
 04h    BYTE    sequence number
                00h on first call, increment for each subsequent call
 05h    BYTE    length of directory path (00h-FFh)
 06h  N BYTEs   directory path

Format of reply buffer:
Offset  Size    Description
 00h    WORD    (call) 0031h (length of following results buffer)
 02h 16 BYTEs   directory name
 12h  4 BYTEs   date and time of creation
 16h    DWORD   object ID of owner (big-endian)
 1Ah  5 DWORDs  object IDs of Trustees 0 through 4 (big-endian)
                00000000h = end of group
 2Eh  5 BYTEs   directory rights for Trustees 0 through 4 (see AH=E2h/SF=03h)