4.3BSD-UWisc/include/netinet/in_systm.h

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/*
 * Copyright (c) 1982, 1986 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *	@(#)in_systm.h	7.1 (Berkeley) 6/5/86
 */
/*
 * RCS Info	
 *	$Header: in_systm.h,v 3.1 86/10/22 13:34:00 tadl Exp $
 *	$Locker:  $
 */

/*
 * 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	iptime();
#endif