types.c

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· C语言 代码 · 共 48 行

/* ------------------------------------------------------------------ */
/* | Copyright Unpublished, MIPS Computer Systems, Inc.  All Rights | */
/* | Reserved.  This software contains proprietary and confidential | */
/* | information of MIPS and its suppliers.  Use, disclosure or     | */
/* | reproduction is prohibited without the prior express written   | */
/* | consent of MIPS.                                               | */
/* ------------------------------------------------------------------ */
/* $Header: types.c,v 1.2 86/07/24 15:23:51 dce Exp $ */

# include	"mille.h"

/*
 * @(#)types.c	1.1 (Berkeley) 4/1/82
 */

isrepair(card)
reg CARD	card; {

	return card == C_GAS || card == C_SPARE || card == C_REPAIRS || card == C_INIT;
}

safety(card)
reg CARD	card; {

	switch (card) {
	  case C_EMPTY:
	  case C_GAS:
	  case C_GAS_SAFE:
		return C_GAS_SAFE;
	  case C_FLAT:
	  case C_SPARE:
	  case C_SPARE_SAFE:
		return C_SPARE_SAFE;
	  case C_CRASH:
	  case C_REPAIRS:
	  case C_DRIVE_SAFE:
		return C_DRIVE_SAFE;
	  case C_GO:
	  case C_STOP:
	  case C_RIGHT_WAY:
	  case C_LIMIT:
	  case C_END_LIMIT:
		return C_RIGHT_WAY;
	}
	/* NOTREACHED */
}