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Annotation of mstools/h/stddef.h, revision 1.1

1.1     ! root        1: /***
        !             2: *stddef.h - definitions/declarations for common constants, types, variables
        !             3: *
        !             4: *      Copyright (c) 1985-1991, Microsoft Corporation. All rights reserved.
        !             5: *
        !             6: *Purpose:
        !             7: *      This file contains definitions and declarations for some commonly
        !             8: *      used constants, types, and variables.
        !             9: *      [ANSI]
        !            10: *
        !            11: ****/
        !            12: 
        !            13: #ifndef _INC_STDDEF
        !            14: 
        !            15: #ifdef __cplusplus
        !            16: extern "C" {
        !            17: #endif
        !            18: 
        !            19: 
        !            20: #if (_MSC_VER <= 600)
        !            21: #define __cdecl _cdecl
        !            22: #endif
        !            23: 
        !            24: /* define NULL pointer value and the offset() macro */
        !            25: 
        !            26: #ifndef NULL
        !            27: #ifdef __cplusplus
        !            28: #define NULL   0
        !            29: #else
        !            30: #define NULL   ((void *)0)
        !            31: #endif
        !            32: #endif
        !            33: 
        !            34: 
        !            35: #define offsetof(s,m)  (size_t)&(((s *)0)->m)
        !            36: 
        !            37: 
        !            38: /* declare reference to errno */
        !            39: 
        !            40: #ifdef _MT
        !            41: extern int * _errno(void);
        !            42: #define errno  (*_errno())
        !            43: #else
        !            44: extern int errno;
        !            45: #endif
        !            46: 
        !            47: 
        !            48: /* define the implementation dependent size types */
        !            49: 
        !            50: #ifndef _PTRDIFF_T_DEFINED
        !            51: typedef int ptrdiff_t;
        !            52: #define _PTRDIFF_T_DEFINED
        !            53: #endif
        !            54: 
        !            55: #ifndef _SIZE_T_DEFINED
        !            56: typedef unsigned int size_t;
        !            57: #define _SIZE_T_DEFINED
        !            58: #endif
        !            59: 
        !            60: #ifndef _WCHAR_T_DEFINED
        !            61: typedef unsigned short wchar_t;
        !            62: #define _WCHAR_T_DEFINED
        !            63: #endif
        !            64: 
        !            65: 
        !            66: #ifdef _MT
        !            67: 
        !            68: 
        !            69: 
        !            70: extern unsigned long  __threadid(void);
        !            71: #define _threadid      (__threadid())
        !            72: extern unsigned long  __threadhandle(void);
        !            73: #define _threadhandle  (__threadhandle())
        !            74: 
        !            75: 
        !            76: 
        !            77: #endif
        !            78: 
        !            79: #ifdef __cplusplus
        !            80: }
        !            81: #endif
        !            82: 
        !            83: #define _INC_STDDEF
        !            84: #endif /* _INC_STDDEF */

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