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Annotation of XNU/EXTERNAL_HEADERS/bsd/ppc/ansi.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*-
        !            23:  * Copyright (c) 1990, 1993
        !            24:  *     The Regents of the University of California.  All rights reserved.
        !            25:  *
        !            26:  * Redistribution and use in source and binary forms, with or without
        !            27:  * modification, are permitted provided that the following conditions
        !            28:  * are met:
        !            29:  * 1. Redistributions of source code must retain the above copyright
        !            30:  *    notice, this list of conditions and the following disclaimer.
        !            31:  * 2. Redistributions in binary form must reproduce the above copyright
        !            32:  *    notice, this list of conditions and the following disclaimer in the
        !            33:  *    documentation and/or other materials provided with the distribution.
        !            34:  * 3. All advertising materials mentioning features or use of this software
        !            35:  *    must display the following acknowledgement:
        !            36:  *     This product includes software developed by the University of
        !            37:  *     California, Berkeley and its contributors.
        !            38:  * 4. Neither the name of the University nor the names of its contributors
        !            39:  *    may be used to endorse or promote products derived from this software
        !            40:  *    without specific prior written permission.
        !            41:  *
        !            42:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            43:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            44:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            45:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            46:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            47:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            48:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            49:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            50:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            51:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            52:  * SUCH DAMAGE.
        !            53:  *
        !            54:  *     @(#)ansi.h      8.2 (Berkeley) 1/4/94
        !            55:  */
        !            56: 
        !            57: #ifndef        _ANSI_H_
        !            58: #define        _ANSI_H_
        !            59: 
        !            60: /*
        !            61:  * Types which are fundamental to the implementation and may appear in
        !            62:  * more than one standard header are defined here.  Standard headers
        !            63:  * then use:
        !            64:  *     #ifdef  _BSD_SIZE_T_
        !            65:  *     typedef _BSD_SIZE_T_ size_t;
        !            66:  *     #undef  _BSD_SIZE_T_
        !            67:  *     #endif
        !            68:  */
        !            69: #define        _BSD_CLOCK_T_   unsigned long           /* clock() */
        !            70: #if defined(__GNUC__) && defined(__PTRDIFF_TYPE__) && defined(__SIZE_TYPE__)
        !            71: #define _BSD_PTRDIFF_T_ __PTRDIFF_TYPE__        /* ptr1 - ptr2 */
        !            72: #define _BSD_SIZE_T_    __SIZE_TYPE__           /* sizeof() */
        !            73: #else
        !            74: #define        _BSD_PTRDIFF_T_ int                     /* ptr1 - ptr2 */
        !            75: #define        _BSD_SIZE_T_    unsigned long           /* sizeof() */
        !            76: #endif /* __GNUC__ */
        !            77: #define        _BSD_SSIZE_T_   int                     /* byte count or error */
        !            78: #define        _BSD_TIME_T_    long                    /* time() */
        !            79: #define        _BSD_VA_LIST_   void *                  /* va_list */
        !            80: 
        !            81: /*
        !            82:  * Runes (wchar_t) is declared to be an ``int'' instead of the more natural
        !            83:  * ``unsigned long'' or ``long''.  Two things are happening here.  It is not
        !            84:  * unsigned so that EOF (-1) can be naturally assigned to it and used.  Also,
        !            85:  * it looks like 10646 will be a 31 bit standard.  This means that if your
        !            86:  * ints cannot hold 32 bits, you will be in trouble.  The reason an int was
        !            87:  * chosen over a long is that the is*() and to*() routines take ints (says
        !            88:  * ANSI C), but they use _RUNE_T_ instead of int.  By changing it here, you
        !            89:  * lose a bit of ANSI conformance, but your programs will still work.
        !            90:  *
        !            91:  * Note that _WCHAR_T_ and _RUNE_T_ must be of the same type.  When wchar_t
        !            92:  * and rune_t are typedef'd, _WCHAR_T_ will be undef'd, but _RUNE_T remains
        !            93:  * defined for ctype.h.
        !            94:  */
        !            95: #if defined(__GNUC__) && defined(__WCHAR_TYPE__)
        !            96: #define _BSD_WCHAR_T_   __WCHAR_TYPE__          /* wchar_t */
        !            97: #define _BSD_RUNE_T_    __WCHAR_TYPE__          /* rune_t */
        !            98: #else
        !            99: #define        _BSD_WCHAR_T_   int                     /* wchar_t */
        !           100: #define        _BSD_RUNE_T_    int                     /* rune_t */
        !           101: #endif /* __GNUC__ */
        !           102: 
        !           103: #endif /* _ANSI_H_ */

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