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95 lines
4.3 KiB
C
95 lines
4.3 KiB
C
/*
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* Copyright (c) 1983, 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)nameser.h 8.2 (Berkeley) 2/16/94
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* -
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* Portions Copyright (c) 1993 by Digital Equipment Corporation.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies, and that
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* the name of Digital Equipment Corporation not be used in advertising or
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* publicity pertaining to distribution of the document or software without
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* specific, written prior permission.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
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* CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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* -
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* --Copyright--
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*/
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#ifndef _ENDIAN_H_
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#define _ENDIAN_H_
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#ifndef BYTE_ORDER
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#define LITTLE_ENDIAN 1234 /* least-significant byte first (vax, pc) */
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#define __LITTLE_ENDIAN 1234
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#define BIG_ENDIAN 4321 /* most-significant byte first (IBM, net) */
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#define __BIG_ENDIAN 4321
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#define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long (pdp)*/
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#define __PDP_ENDIAN 3412
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#if defined(vax) || defined(ns32000) || defined(sun386) || defined(i386) || \
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defined(MIPSEL) || defined(_MIPSEL) || defined(BIT_ZERO_ON_RIGHT) || \
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defined(__alpha__) || defined(__alpha)
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#define BYTE_ORDER LITTLE_ENDIAN
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#define __BYTE_ORDER LITTLE_ENDIAN
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#endif
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#if defined(sel) || defined(pyr) || defined(mc68000) || defined(sparc) || \
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defined(is68k) || defined(tahoe) || defined(ibm032) || defined(ibm370) || \
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defined(MIPSEB) || defined(_MIPSEB) || defined(_IBMR2) || \
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defined(apollo) || defined(hp9000) || defined(hp9000s300) || \
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defined(hp9000s800) || \
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defined (BIT_ZERO_ON_LEFT)
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#define BYTE_ORDER BIG_ENDIAN
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#define __BYTE_ORDER BIG_ENDIAN
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#endif
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#endif /* BYTE_ORDER */
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#if !defined(BYTE_ORDER) || (BYTE_ORDER != BIG_ENDIAN \
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&& BYTE_ORDER != LITTLE_ENDIAN && BYTE_ORDER != PDP_ENDIAN)
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/* you must determine what the correct bit order is for
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* your compiler - the next line is an intentional error
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* which will force your compiles to bomb until you fix
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* the above macros.
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*/
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#error "Undefined or invalid BYTE_ORDER";
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#endif
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#endif /* !_ENDIAN_H */
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