Date: Wed, 24 Apr 1996 13:28:20 +0400 (MSD)
From: "Alexander V. Lukyanov" <lav AT video DOT yars DOT free DOT net>
Message-Id: <199604240928.NAA08434@video.yars.free.net>
To: djgpp AT delorie DOT com, gfedor AT lerc DOT nasa DOT gov
Subject: Re: Odd printf behaviour

> I wrote some simple code that utilizes the gotoxy() and printf() 
> statements to place text on the screen, ala:
> 
> 	while(!done)
> 	{
> 		gotoxy(column, line);
> 		printf(" %... ", ...);
> 
> 		// update column
> 		// update line
> 	}
> 
> When I run this type of code nothing appears on the screen.  I can see 
> the cursor jumping around, but nothing else.  However, if I include a 
> '\n' in the printf statement, things display fine, *or* as soon as I 
> printf with a '\n' outside the loop, then **all** the text gets 
> displayed.  It's almost as if it's being buffered, and isn't displayed 
> until a '\n' comes along.

This is a normal printf behavior. I recommend to use cprintf with gotoxy,
since they both belong to conio, whereas printf is a stdio function.