/**
 * UNIX systems keyboard hit implementation
 *
 * @file	platon/misc/kbhit.h
 * @author	Pavel Hereout
 * @version	\$Platon: libplaton/platon/misc/kbhit.h,v 1.8 2002/10/05 09:50:57 nepto Exp $
 * @date	1995-2003
 */

#ifndef _PLATON_MISC_KBHIT_H
#define _PLATON_MISC_KBHIT_H

#ifdef __MSDOS__
#  include <conio.h>
#else

#ifdef __cplusplus
extern "C" {
#endif

	/**
	 * UNIX systems kbhit() implementation
	 *
	 * @return	-1 on error, keycode of pressed key
	 *			or 0 when no key is pressed
	 *
	 * Note, that this function is very slow.
	 */
	int kbhit(void);

#ifdef __cplusplus
}
#endif

#endif

#endif /* #ifndef _PLATON_MISC_KBHIT_H */