From: "Damian Yerrick" <NOSP AT Musenet@pineight.8m.com>
Newsgroups: comp.os.msdos.djgpp
References: <81uq89$n0l$1 AT news2 DOT tor DOT accglobal DOT net>
Subject: Re: fprintf to HP Deskjet
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Organization: Pin Eight Software <http://pineight.8m.com/>
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NNTP-Posting-Date: Tue, 30 Nov 1999 00:32:22 GMT
Distribution: world
Date: Tue, 30 Nov 1999 00:32:22 GMT
To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com


"Michel Chassey" <michelc AT primus DOT ca> wrote:
> Hello everyone,
> I invoke gcc : gcc -o f.exe f.c         (for testing)
> Here is the f.c listing :
> #include <stdio.h>
> int main( void )
> {
>  fprintf ( stdprn, "Hello World" );
>  return( 1 );
> }
> The printer goes though the motion of printing then hangs. Lights blink
but
> no printing:
> result blank page.

Change the fprintf() statement to
  fprintf(stdprn, "Hello World\n\x0c");
This inserts a newline (\n) and a formfeed (\x0c), telling the
printer to kick out the paper.

And
  return 1;
in main() generally means that the program ran into
error type 1, however you define that.
If you want to say "no error," say
  return 0;


Damian Yerrick