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Annotation of Net2/arch/amiga/include/endian.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1987, 1991 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. All advertising materials mentioning features or use of this software
        !            14:  *    must display the following acknowledgement:
        !            15:  *     This product includes software developed by the University of
        !            16:  *     California, Berkeley and its contributors.
        !            17:  * 4. Neither the name of the University nor the names of its contributors
        !            18:  *    may be used to endorse or promote products derived from this software
        !            19:  *    without specific prior written permission.
        !            20:  *
        !            21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            31:  * SUCH DAMAGE.
        !            32:  *
        !            33:  *     @(#)endian.h    7.7 (Berkeley) 4/3/91
        !            34:  */
        !            35: 
        !            36: /*
        !            37:  * Definitions for byte order, according to byte significance from low
        !            38:  * address to high.
        !            39:  */
        !            40: #define        LITTLE_ENDIAN   1234    /* LSB first: i386, vax */
        !            41: #define        BIG_ENDIAN      4321    /* MSB first: 68000, ibm, net */
        !            42: #define        PDP_ENDIAN      3412    /* LSB first in word, MSW first in long */
        !            43: 
        !            44: #define        BYTE_ORDER      BIG_ENDIAN
        !            45: 
        !            46: #ifndef KERNEL
        !            47: #include <sys/cdefs.h>
        !            48: #endif
        !            49: 
        !            50: __BEGIN_DECLS
        !            51: unsigned long  htonl __P((unsigned long));
        !            52: unsigned short htons __P((unsigned short));
        !            53: unsigned long  ntohl __P((unsigned long));
        !            54: unsigned short ntohs __P((unsigned short));
        !            55: __END_DECLS
        !            56: 
        !            57: /*
        !            58:  * Macros for network/external number representation conversion.
        !            59:  */
        !            60: #if BYTE_ORDER == BIG_ENDIAN && !defined(lint)
        !            61: #define        ntohl(x)        (x)
        !            62: #define        ntohs(x)        (x)
        !            63: #define        htonl(x)        (x)
        !            64: #define        htons(x)        (x)
        !            65: 
        !            66: #define        NTOHL(x)        (x)
        !            67: #define        NTOHS(x)        (x)
        !            68: #define        HTONL(x)        (x)
        !            69: #define        HTONS(x)        (x)
        !            70: 
        !            71: #else
        !            72: 
        !            73: #define        NTOHL(x)        (x) = ntohl((u_long)x)
        !            74: #define        NTOHS(x)        (x) = ntohs((u_short)x)
        !            75: #define        HTONL(x)        (x) = htonl((u_long)x)
        !            76: #define        HTONS(x)        (x) = htons((u_short)x)
        !            77: #endif

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