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Annotation of mstools/h/stddef.h, revision 1.1.1.2

1.1       root        1: /***
                      2: *stddef.h - definitions/declarations for common constants, types, variables
                      3: *
1.1.1.2 ! root        4: *      Copyright (c) 1985-1992, Microsoft Corporation. All rights reserved.
1.1       root        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: 
1.1.1.2 ! root       20: #ifndef MIPS
1.1       root       21: #if (_MSC_VER <= 600)
                     22: #define __cdecl _cdecl
                     23: #endif
1.1.1.2 ! root       24: #endif
1.1       root       25: 
                     26: /* define NULL pointer value and the offset() macro */
                     27: 
                     28: #ifndef NULL
                     29: #ifdef __cplusplus
                     30: #define NULL   0
                     31: #else
                     32: #define NULL   ((void *)0)
                     33: #endif
                     34: #endif
                     35: 
                     36: 
                     37: #define offsetof(s,m)  (size_t)&(((s *)0)->m)
                     38: 
                     39: 
                     40: /* declare reference to errno */
                     41: 
                     42: #ifdef _MT
                     43: extern int * _errno(void);
                     44: #define errno  (*_errno())
                     45: #else
                     46: extern int errno;
                     47: #endif
                     48: 
                     49: 
                     50: /* define the implementation dependent size types */
                     51: 
                     52: #ifndef _PTRDIFF_T_DEFINED
                     53: typedef int ptrdiff_t;
                     54: #define _PTRDIFF_T_DEFINED
                     55: #endif
                     56: 
                     57: #ifndef _SIZE_T_DEFINED
                     58: typedef unsigned int size_t;
                     59: #define _SIZE_T_DEFINED
                     60: #endif
                     61: 
                     62: #ifndef _WCHAR_T_DEFINED
                     63: typedef unsigned short wchar_t;
                     64: #define _WCHAR_T_DEFINED
                     65: #endif
                     66: 
                     67: 
                     68: #ifdef _MT
                     69: 
                     70: 
                     71: 
                     72: extern unsigned long  __threadid(void);
                     73: #define _threadid      (__threadid())
                     74: extern unsigned long  __threadhandle(void);
                     75: 
                     76: 
                     77: 
                     78: #endif
                     79: 
                     80: #ifdef __cplusplus
                     81: }
                     82: #endif
                     83: 
                     84: #define _INC_STDDEF
                     85: #endif /* _INC_STDDEF */

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