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Serial communications program for PostScript printers.
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Runs as a single read/write process (by default). Use the -R2 option
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or set splitme to TRUE (file postio.c) to get separate read and write
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processes. Although not the default, we recommend using separate read
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and write processes.
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Sends occasional status queries (control Ts) while transmitting files.
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Use the -q option or set quiet (file postio.c) to TRUE to disable status
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queries.
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Datakit connections are supported on System V and Ninth Edition systems.
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The syntax (for connecting to a Datakit destination) varies. Check the
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SYSV and V9 versions of setupline() in file ifdef.c.
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Set DKHOST and DKSTREAMS to TRUE in postio.mk for streams based DKHOST
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support. When DKSTREAMS is TRUE postio.mk uses "dknetty" as the stream
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module. Settings like DKSTREAMS=dkty select a different stream module
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and may be required for full Datakit support on some systems.
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