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Annotation of kernel/bsd/netat/h/adsp_portab.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: 
                     25: /* TypeDefs for the basic data bytes. */
                     26: 
                     27: typedef unsigned char          byte, *bytePtr;
                     28: typedef char                   int8;
                     29: typedef unsigned char          boolean;
                     30: 
                     31: typedef unsigned short         word;
                     32: typedef short                  int16;
                     33: 
                     34: typedef unsigned int           dword;
                     35: typedef int                    int32;
                     36: 
                     37: #define BYTE_AT(x)             (*((byte PTR)(x)))
                     38: #define WORD_AT(x)             (*((word PTR)(x)))
                     39: #define DWORD_AT(x)            (*((dword PTR)(x)))
                     40: 
                     41: #define high(x)                        ((byte)((x) >> 8))
                     42: #define low(x)                 ((byte)(x))
                     43: #define hlword(h, l)           (((byte)(l)) | (((byte)(h)) << 8))
                     44: 
                     45: #define offsetof(typ,id)       (size_t)&(((typ*)0)->id)
                     46: 
                     47: 
                     48: /* 
                     49:  * On a Mac, there is no need to byte-swap data on the network, so 
                     50:  * these macros do nothing 
                     51:  */
                     52: 
                     53: #define netw(x)                x
                     54: #define netdw(x)       x
                     55: 
                     56: 
                     57: typedef struct
                     58: {
                     59:   at_net           network;       /* network number */
                     60:   byte           nodeid;        /* node number    */
                     61:   byte           socket;        /* socket number  */
                     62: } AddrBlk, *AddrBlkPtr;
                     63: 
                     64: typedef union
                     65: {
                     66:    at_inet_t     a;
                     67: } AddrUnion, *AddrUnionPtr;
                     68: 
                     69: 
                     70: 
                     71: /* End Portab.h */

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