INT 21 - 10NET v5.0 - INITIATE PRINT JOB
        AX = 5E04h
        BX = zero-based redirection list index (see AX=5F02h)
        DS:DX -> extended workstation printer setup structure (see below)
Return: CF clear if successful
        CF set on error
            AX = error code (see AH=59h)
SeeAlso: AX=5E05h"10NET",AX=5E06h"10NET"

Format of extended workstation printer setup structure:
Offset  Size    Description
 00h    BYTE    notification flags (see below)
 01h    BYTE    job control mask (see below)
 02h    WORD    days to retain file
 04h    WORD    test print length
 06h    BYTE    number of copies to print
 07h    BYTE    compression algorithm
 08h    BYTE    tab width (00h = don't expand)
 09h    BYTE    initiation type (00h normal, 01h non-spooled)
 0Ah 38 BYTEs   job start operation notification instructions
 30h 32 BYTEs   comment for job
 50h 64 BYTEs   output filename or non-spooled file

Bitfields for notification flags:
 bit 0  user at print start
 bit 1  operator at start, with reply
 bit 2  user at print completion
 bit 3  operator at completion, with reply
 bit 4  user on queue switch
 bit 5  operator on queue switch, with reply
 bit 6  user on print error

Bitfields for job control mask:
 bit 0  print banner page
 bit 1  eject page at end of job
 bit 2  mark as "held" (queue but don't print)
 bit 3  rush job (queue at top)
 bit 4  overwrite file with zeros before deletion
 bit 5  hyperspool if possible

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