INT 21 - Novell NetWare - QUEUE SERVICES - RESTORE QUEUE SERVER RIGHTS
        AH = E3h subfn 75h
        DS:SI -> request buffer (see below)
        ES:DI -> reply buffer (see below)
Return: AL = status (00h,96h,9Ch,D0h,D1h,D3h,D5h,D9h,DAh,FEh,FFh)
                (see AH=E3h/SF=64h)
Desc:   restore server's own identity after assuming the login identity of the
          client submitting the job being serviced
Notes:  this function is supported by Advanced NetWare 2.1+
        caller must be a job server which has previously changed its identity

Format of request buffer:
Offset  Size    Description
 00h    WORD    0001h (length of following data)
 02h    BYTE    75h (subfunction "Change To Client Rights")

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