bcckbhit.c

来自「epson 13506 driver code」· C语言 代码 · 共 29 行

/*
**===========================================================================
** kbhit.c
**---------------------------------------------------------------------------
** Copyright (c) 1998 Epson Research and Development, Inc.
** All Rights Reserved.
**===========================================================================
*/

/*-------------------------------------------------------------------------*/

static const char Revision[] = "KBHIT.C=$Revision: 1 $";

/*-------------------------------------------------------------------------*/

/* this file implements kbhit () for
 * the Motorola M68332 Business Card Computer (BCC)
 * we call routines from cpu32bug.S, contained in libbcc.a
 */

extern int havebyte (void);

/* kbhit returns non-zero if char is ready at console port */
int kbhit (void)
{
	return havebyte ();
}