Date: Tue, 22 Jun 1999 09:19:37 +0300 (IDT)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
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To: Vince McCarthy <vmccar AT juno DOT com>
cc: djgpp AT delorie DOT com
Subject: Re: your mail about printers
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On Mon, 21 Jun 1999, Vince McCarthy wrote:

>        When I set an operation such as proportional printing with a 0x01
> It requires a hex 0x00 to release the proportional  printing, I cannot 
> get the printer to release the proportional printing unless I substitute
> an 0xbd value for the 0x00 value.

That's because you send the binary zero as part of a string.  Strings
in C are terminated by a zero, so fprintf simply ignores the zero
byte.  You need to produce it like this:

       fprintf (stdprn, "%c", '\0');