INT 21 - Novell NetWare - QUEUE SERVICES - GET QUEUE JOB'S FILE SIZE
        AH = E3h subfn 78h
        DS:SI -> request buffer (see below)
        ES:DI -> reply buffer (see below)
Return: AL = status (see also AH=E3h/SF=64h)
            00h successful
Notes:  this function is supported by Advanced NetWare 2.1+
        caller must be on a workstation which is security-equivalent to a
          member of the queue's Q_USERS, Q_OPERATORS, or Q_SERVERS properties
SeeAlso: AH=E3h/SF=68h,AH=E3h/SF=6Ch,AH=E3h/SF=71h

Format of request buffer:
Offset  Size    Description
 00h    WORD    0007h (length of following data)
 02h    BYTE    78h (subfunction "Get Queue Job's File Size")
 03h    DWORD   (big-endian) object ID of queue
 07h    WORD    (big-endian) job number

Format of reply buffer:
Offset  Size    Description
 00h    WORD    (call) 000Ah (size of following results)
 02h    DWORD   (big-endian) object ID of queue
 06h    WORD    (big-endian) job number
 08h    DWORD   (big-endian) size of job file in bytes

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