In the past, STX and ETX have been used to indicate the Start and End of TeXt. There was also an associated Start Of Header or SOH. So a normal message might have been

SOH Header goes here STX Text goes here ETX

In my experience with Poll Select transactions on a 3201 line, ETX was also used as an end-of-file marker that was followed by an 8-bit checksum.

"Excellent. Release the hounds." -- Monty Burns.

In reply to Re: File Transfer between c and perl sockets by talexb
in thread File Transfer between c and perl sockets by wileykt

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