epoc32/include/stdapis/sys/_null.h
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:27:01 +0100
branchSymbian2
changeset 3 e1b950c65cb4
parent 0 061f57f2323e
permissions -rw-r--r--
Attempt to represent the S^2->S^3 header reorganisation as a series of "hg rename" operations
     1 /*-
     2  * Copyright (c) 2003 Marcel Moolenaar
     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  *
     9  * 1. Redistributions of source code must retain the above copyright
    10  *    notice, this list of conditions and the following disclaimer.
    11  * 2. Redistributions in binary form must reproduce the above copyright
    12  *    notice, this list of conditions and the following disclaimer in the
    13  *    documentation and/or other materials provided with the distribution.
    14  *
    15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
    16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
    18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
    19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
    20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
    24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    25  *
    26  * $FreeBSD: src/sys/sys/_null.h,v 1.7 2005/01/07 02:29:23 imp Exp $
    27  */
    28 
    29 #ifndef NULL
    30 #if defined(_KERNEL) || !defined(__cplusplus)
    31 #define	NULL	((void *)0)
    32 #else
    33 #if defined(__LP64__)
    34 #define	NULL	(0L)
    35 #else
    36 #define	NULL	0
    37 #endif	/* __LP64__ */
    38 #endif	/* _KERNEL || !__cplusplus */
    39 
    40 #endif