xnu-792.6.61.tar.gz

[apple/xnu.git] / bsd / netinet / in_systm.h

/*
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/*
 * Copyright (c) 1982, 1986, 1993
 *	The Regents of the University of California.  All rights reserved.
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 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
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 *	@(#)in_systm.h	8.1 (Berkeley) 6/10/93
 * $FreeBSD: src/sys/netinet/in_systm.h,v 1.9 1999/12/29 04:41:00 peter Exp $
 */

#ifndef _NETINET_IN_SYSTM_H_
#define _NETINET_IN_SYSTM_H_
#include <sys/appleapiopts.h>
#include <sys/_types.h>

/*
 * 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 __uint16_t n_short;		/* short as received from the net */
typedef __uint32_t n_long;		/* long as received from the net */

typedef	__uint32_t n_time;		/* ms since 00:00 GMT, byte rev */

#ifdef KERNEL_PRIVATE
n_time	 iptime(void);
#endif KERNEL_PRIVATE

#endif