From: "DeHackEd" <notgiven AT out DOT com>
Newsgroups: comp.os.msdos.djgpp
References: <67aX2.3258$%W6 DOT 12639 AT wagner DOT videotron DOT net>
Subject: Re: HELP, i'm a newbie
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Message-ID: <U9gX2.5537$ho1.1189@tundra.ops.attcanada.net>
Date: Mon, 03 May 1999 11:56:36 GMT
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com


OmniMeta <meta AT psxrocks DOT com> wrote in message
news:67aX2.3258$%W6 DOT 12639 AT wagner DOT videotron DOT net...
> This program won't print Hello until it end.
> if I do a step by step debug, I see that he won't show "Hello" on the screen
> until it had ended.
> And if I run the hello.exe program, I don't see Hello during the getch().

This is the way DJGPP's printf works. It doesn't actually write the string to
the screen until you either force it using fflush or send a "\n" symbol.


> How can I get printf to work correctely, to print to the screen immediately,
> before the program end ?

I'll modify the code...

> #include <stdio.h>
> #include <conio.h>
>
> int main()
> {
>     char a[]="Hello";
>     int key_p;
>
>     clrscr();
>
>     printf("%s",a);

// This is all there is to it
      fflush(stdout);

>     key_p=getch();
>     printf("\n%c",key_p);
>     return 0;
> }


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"DeHackEd"

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