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Date: Mon, 07 Jan 2002 22:29:17 +0200
From: "Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>
Sender: halo1 AT zahav DOT net DOT il
To: "osmosis" <charlieo AT ukonline DOT co DOT uk>
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In-reply-to: <SIm_7.17759$Si6.4186062@monolith.news.easynet.net>
	(charlieo AT ukonline DOT co DOT uk)
Subject: Re: scanf
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> From: "osmosis" <charlieo AT ukonline DOT co DOT uk>
> Newsgroups: comp.os.msdos.djgpp
> Date: Mon, 7 Jan 2002 19:32:49 -0000
> 
> why does
> 
> int d;
> scanf("%d ", &d);
> printf("%d ", d);
> 
>  not print integer immediately, instead requiring to press a non-numerical
> character first?

Because stdout is buffered.  Either use fflush or end the format
string with a \n, and the output will appear immediately.

See section 9.5 of the DJGPP FAQ list for more details about this.