in_systm.h

VRTX 商用嵌入式实时操作系统

/***************************************************************************
*
*               Copyright (c) 1993 READY SYSTEMS CORPORATION.
*
*       All rights reserved. READY SYSTEMS' source code is an unpublished
*       work and the use of a copyright notice does not imply otherwise.
*       This source code contains confidential, trade secret material of
*       READY SYSTEMS. Any attempt or participation in deciphering, decoding,
*       reverse engineering or in any way altering the source code is
*       strictly prohibited, unless the prior written consent of
*       READY SYSTEMS is obtained.
*
*
*       Module Name:            %M%
*
*       Identification:         %Z% %I% %M%
*
*       Date:                   %G%  %U%
*
****************************************************************************
*/

/*
 RCS header identifier - $Id: in_systm.h,v 1.5 1993/10/05 18:08:36 robert Exp $
*/
/*
 * Copyrighted as an unpublished work.
 * (c) Copyright 1987-1993 Lachman Technology, Incorporated
 * All rights reserved.
 * 
 * RESTRICTED RIGHTS
 * 
 * These programs are supplied under a license.  They may be used,
 * disclosed, and/or copied only as permitted under such license
 * agreement.  Any copy must contain the above copyright notice and
 * this restricted rights notice.  Use, copying, and/or disclosure
 * of the programs is strictly prohibited unless otherwise provided
 * in the license agreement.
 */
/*
 * Copyright (c) 1985 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#ifndef in_systm_h
#define in_systm_h

#ifdef __cplusplus
extern "C" {
#endif

/* in_systm.h	6.1	83/07/29	 */

/*
 * Miscellaneous internetwork definitions for kernel. 
 */

/*
 * Network types. 
 *
 * Internally the system keeps counters in the headers with the bytes swapped so
 * that VAX instructions will work on them.  It reverses the bytes before
 * transmission at each protocol level.  The n_ types represent the types
 * with the bytes in ``high-ender'' order. 
 */
typedef u_short n_short;	/* short as received from the net */
typedef u_long  n_long;		/* long as received from the net */

typedef u_long  n_time;		/* ms since 00:00 GMT, byte rev */

#ifdef KERNEL
n_time          ip_time();
#endif

#ifdef __cplusplus
}
#endif

#endif				/* in_systm_h */