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// -*- C++ -*-
//=============================================================================
/**
* @file os_stddef.h
*
* standard type definitions
*
* $Id$
*
* @author Don Hinton <dhinton@dresystems.com>
* @author This code was originally in various places including ace/OS.h.
*/
//=============================================================================
// From http://www.UNIX-systems.org/single_unix_specification/
#ifndef ACE_OS_INCLUDE_OS_STDDEF_H
#define ACE_OS_INCLUDE_OS_STDDEF_H
#include "ace/pre.h"
#include "ace/config-all.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
// @todo move this to a windows config file
// Add new macro ACE_LACKS_STDDEF_H
#if defined (ACE_HAS_WINCE) && _WIN32_WCE < 400
# if !define (ACE_LACKS_STDDEF_H)
# define ACE_LACKS_STDDEF_H
# define ACE_LACKS_PTRDIFF_T
# endif /* !ACE_LACKS_STDDEF_H */
#endif /* ACE_HAS_WINCE && _WIN32_WCE < 400 */
#if !defined (ACE_LACKS_STDDEF_H)
# include /**/ <stddef.h>
#endif /* !ACE_LACKS_STDDEF_H */
// Place all additions (especially function declarations) within extern "C" {}
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
// NULL pointer constant
#if defined (ACE_LACKS_NULL)
# undef NULL
# if defined(__cplusplus)
# define NULL 0
# else
# define NULL ((void *)0)
# endif
#endif /* ACE_LACKS_NULL */
/*
Integer constant expression of type size_t, the value of which is the offset
in bytes to the structure member (member-designator), from the beginning of
its structure (type).
*/
#if defined (ACE_LACKS_OFFSETOF)
# undef offsetof
# define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
#endif /* ACE_LACKS_OFFSETOF */
// Signed integer type of the result of subtracting two pointers.
#if defined (ACE_LACKS_PTRDIFF_T)
# if !defined (ACE_PTRDIFF_T_TYPE)
# define ACE_PTRDIFF_T_TYPE unsigned long
# endif /* !ACE_PTRDIFF_T_TYPE */
typedef ACE_PTRDIFF_T_TYPE ptrdiff_t;
#endif /* ACE_LACKS_PTRDIFF_T */
/*
Integer type whose range of values can represent distinct wide-character
codes for all members of the largest character set specified among the
locales supported by the compilation environment: the null character has
the code value 0 and each member of the portable character set has a code
value equal to its value when used as the lone character in an integer
character constant.
*/
#if defined (ACE_LACKS_WCHAR_T)
# if !defined (ACE_WCHAR_T_TYPE)
# define ACE_WCHAR_T_TYPE long;
# endif /* !ACE_WCHAR_T_TYPE */
typedef ACE_WCHAR_T_TYPE wchar_t;
#endif /* ACE_LACKS_WCHAR_T */
// Unsigned integer type of the result of the sizeof operator.
#if defined (ACE_LACKS_SIZE_T)
# if !defined (ACE_SIZE_T_TYPE)
# define ACE_SIZE_T_TYPE unsigned int;
# endif /* !ACE_SIZE_T_TYPE */
typedef ACE_SIZE_T_TYPE size_t;
#endif /* ACE_LACKS_SIZE_T */
#if defined (ACE_PSOS_DIAB_MIPS)
# undef size_t
typedef unsigned int size_t;
#endif
#ifdef __cplusplus
}
#endif /* __cplusplus */
#include "ace/post.h"
#endif /* ACE_OS_INCLUDE_OS_STDDEF_H */
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