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Annotation of 43BSDReno/sys/hp300/endian.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1987 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution is only permitted until one year after the first shipment
        !             6:  * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
        !             7:  * binary forms are permitted provided that: (1) source distributions retain
        !             8:  * this entire copyright notice and comment, and (2) distributions including
        !             9:  * binaries display the following acknowledgement:  This product includes
        !            10:  * software developed by the University of California, Berkeley and its
        !            11:  * contributors'' in the documentation or other materials provided with the
        !            12:  * distribution and in all advertising materials mentioning features or use
        !            13:  * of this software.  Neither the name of the University nor the names of
        !            14:  * its contributors may be used to endorse or promote products derived from
        !            15:  * this software without specific prior written permission.
        !            16:  * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            17:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            18:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            19:  *
        !            20:  *     @(#)endian.h    7.5 (Berkeley) 5/8/90
        !            21:  */
        !            22: 
        !            23: /*
        !            24:  * Definitions for byte order,
        !            25:  * according to byte significance from low address to high.
        !            26:  */
        !            27: #define        LITTLE_ENDIAN   1234    /* least-significant byte first (vax) */
        !            28: #define        BIG_ENDIAN      4321    /* most-significant byte first (IBM, net) */
        !            29: #define        PDP_ENDIAN      3412    /* LSB first in word, MSW first in long (pdp) */
        !            30: 
        !            31: #define        BYTE_ORDER      BIG_ENDIAN      /* byte order on mc68000 */
        !            32: 
        !            33: /*
        !            34:  * Macros for network/external number representation conversion.
        !            35:  */
        !            36: #if BYTE_ORDER == BIG_ENDIAN && !defined(lint)
        !            37: #define        ntohl(x)        (x)
        !            38: #define        ntohs(x)        (x)
        !            39: #define        htonl(x)        (x)
        !            40: #define        htons(x)        (x)
        !            41: 
        !            42: #define        NTOHL(x)        (x)
        !            43: #define        NTOHS(x)        (x)
        !            44: #define        HTONL(x)        (x)
        !            45: #define        HTONS(x)        (x)
        !            46: 
        !            47: #else
        !            48: 
        !            49: unsigned short ntohs(), htons();
        !            50: unsigned long  ntohl(), htonl();
        !            51: 
        !            52: #define        NTOHL(x)        (x) = ntohl(x)
        !            53: #define        NTOHS(x)        (x) = ntohs(x)
        !            54: #define        HTONL(x)        (x) = htonl(x)
        !            55: #define        HTONS(x)        (x) = htons(x)
        !            56: #endif

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