INT 21 - Novell NetWare - BINDERY SERVICES - OPEN BINDERY
        AH = E3h subfn 45h
        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 1.0+ and Alloy NTNX
        the bindery may only be opened by the supervisor or an object with
          equivalent privileges
SeeAlso: AH=E3h/SF=44h

Format of request buffer:
Offset  Size    Description
 00h    WORD    0001h (length of following data)
 02h    BYTE    45h (subfunction "Open Bindery")

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

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