Atlas - STDDEF.H
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[FILE BEGIN]
1/***
2*stddef.h - definitions/declarations for common constants, types, variables
3*
4*   Copyright (c) 1985-1988, 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
14#ifndef NO_EXT_KEYS /* extensions enabled */
15    #define _CDECL  cdecl
16    #define _NEAR   near
17#else /* extensions not enabled */
18    #define _CDECL
19    #define _NEAR
20#endif /* NO_EXT_KEYS */
21
22
23/* define NULL pointer value */
24
25#if (defined(M_I86SM) || defined(M_I86MM))
26#define  NULL    0
27#elif (defined(M_I86CM) || defined(M_I86LM) || defined(M_I86HM))
28#define  NULL    0L
29#endif
30
31
32/* declare reference to errno */
33
34extern int _NEAR _CDECL errno;
35
36
37/* define the implementation dependent size types */
38
39#ifndef _PTRDIFF_T_DEFINED
40typedef int ptrdiff_t;
41#define _PTRDIFF_T_DEFINED
42#endif
43
44#ifndef _SIZE_T_DEFINED
45typedef unsigned int size_t;
46#define _SIZE_T_DEFINED
47#endif
48
49
[FILE END]
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