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Date: Tue, 20 Jul 2004 21:40:58 +0200
From: "Eli Zaretskii" <eliz AT gnu DOT org>
Sender: halo1 AT zahav DOT net DOT il
To: djgpp AT delorie DOT com
Message-Id: <1438-Tue20Jul2004214057+0300-eliz@gnu.org>
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In-reply-to: <2m3odtFhufc2U1@uni-berlin.de>
	(fbarbuto2002 DOT no AT w1 DOT ca DOT vip DOT scd DOT yahoo DOT com)
Subject: Re: Function kbhit()?
References: <2m3hjoFibqajU1 AT uni-berlin DOT de> <7494-Tue20Jul2004073651+0300-eliz AT gnu DOT org> <2m3odtFhufc2U1 AT uni-berlin DOT de>
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> From: "Fausto Arinos de A. Barbuto" <fbarbuto2002 DOT no AT w1 DOT ca DOT vip DOT scd DOT yahoo DOT com>
> Newsgroups: comp.os.msdos.djgpp
> Date: Mon, 19 Jul 2004 23:21:00 -0600
> 
> void check_event(int *key)
> {
>     while (kbhit()) getch();
>     *key = bioskey(0);
> }

If this function is entered when a keypress is waiting in the BIOS
keyboard queue, then `getch' will eat up that keypress and `bioskey'
will wait until the next keypress and return that.  Does this explain
the misbehavior you see (which you still didn't describe)?