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/* 
 * Copyright (c) 1987, 1991, 1993 
 *	The Regents of the University of California.  All rights reserved. 
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions 
 * are met: 
 * 1. Redistributions of source code must retain the above copyright 
 *    notice, this list of conditions and the following disclaimer. 
 * 2. Redistributions in binary form must reproduce the above copyright 
 *    notice, this list of conditions and the following disclaimer in the 
 *    documentation and/or other materials provided with the distribution. 
 * 3. All advertising materials mentioning features or use of this software 
 *    must display the following acknowledgement: 
 *	This product includes software developed by the University of 
 *	California, Berkeley and its contributors. 
 * 4. Neither the name of the University nor the names of its contributors 
 *    may be used to endorse or promote products derived from this software 
 *    without specific prior written permission. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
 * SUCH DAMAGE. 
 * 
 *	@(#)endian.h	8.1 (Berkeley) 6/10/93 
 */ 
 
#ifndef _ENDIAN_H_ 
#define	_ENDIAN_H_ 
 
/* 
 * Define the order of 32-bit words in 64-bit words. 
 */ 
#define _QUAD_HIGHWORD 0 
#define _QUAD_LOWWORD 1 
 
#ifndef _POSIX_SOURCE 
/* 
 * Definitions for byte order, according to byte significance from low 
 * address to high. 
 */ 
#define	LITTLE_ENDIAN	1234	/* LSB first: i386, vax */ 
#define	BIG_ENDIAN	4321	/* MSB first: 68000, ibm, net */ 
#define	PDP_ENDIAN	3412	/* LSB first in word, MSW first in long */ 
 
#define	BYTE_ORDER	LITTLE_ENDIAN 
 
#include  
 
__BEGIN_DECLS 
unsigned long	htonl __P((unsigned long)); 
unsigned short	htons __P((unsigned short)); 
unsigned long	ntohl __P((unsigned long)); 
unsigned short	ntohs __P((unsigned short)); 
__END_DECLS 
 
/* 
 * Macros for network/external number representation conversion. 
 */ 
#if BYTE_ORDER == BIG_ENDIAN && !defined(lint) 
#define	ntohl(x)	(x) 
#define	ntohs(x)	(x) 
#define	htonl(x)	(x) 
#define	htons(x)	(x) 
 
#define	NTOHL(x)	(x) 
#define	NTOHS(x)	(x) 
#define	HTONL(x)	(x) 
#define	HTONS(x)	(x) 
 
#else 
 
#define ntohl(x)	((((x) & 0x000000ff) << 24) | \ 
			 (((x) & 0x0000ff00) <<  8) | \ 
			 (((x) & 0x00ff0000) >>  8) | \ 
			 (((x) & 0xff000000) >> 24)) 
  
#define htonl(x)	((((x) & 0x000000ff) << 24) | \ 
			 (((x) & 0x0000ff00) <<  8) | \ 
			 (((x) & 0x00ff0000) >>  8) | \ 
			 (((x) & 0xff000000) >> 24)) 
  
#define ntohs(x)	((((x) & 0x00ff) << 8) | \ 
			 (((x) & 0xff00) >> 8)) 
  
#define htons(x)	((((x) & 0x00ff) << 8) | \ 
			 (((x) & 0xff00) >> 8)) 
  
#define	NTOHL(x)	(x) = ntohl((u_long)x) 
#define	NTOHS(x)	(x) = ntohs((u_short)x) 
#define	HTONL(x)	(x) = htonl((u_long)x) 
#define	HTONS(x)	(x) = htons((u_short)x) 
#endif 
#endif /* !_POSIX_SOURCE */ 
#endif /* !_ENDIAN_H_ */