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Tricks of the Windows Gam…ming Gurus (2nd Edition)
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Disc2.iso
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vc98
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crt
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src
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malloc.h
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C/C++ Source or Header
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1998-06-17
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4KB
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167 lines
/***
*malloc.h - declarations and definitions for memory allocation functions
*
* Copyright (c) 1985-1997, Microsoft Corporation. All rights reserved.
*
*Purpose:
* Contains the function declarations for memory allocation functions;
* also defines manifest constants and types used by the heap routines.
* [System V]
*
* [Public]
*
****/
#if _MSC_VER > 1000
#pragma once
#endif /* _MSC_VER > 1000 */
#ifndef _INC_MALLOC
#define _INC_MALLOC
#if !defined (_WIN32) && !defined (_MAC)
#error ERROR: Only Mac or Win32 targets supported!
#endif /* !defined (_WIN32) && !defined (_MAC) */
#ifndef _CRTBLD
/* This version of the header files is NOT for user programs.
* It is intended for use when building the C runtimes ONLY.
* The version intended for public use will not have this message.
*/
#error ERROR: Use of C runtime library internal header file.
#endif /* _CRTBLD */
#ifdef _MSC_VER
/*
* Currently, all MS C compilers for Win32 platforms default to 8 byte
* alignment.
*/
#pragma pack(push,8)
#endif /* _MSC_VER */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#ifndef _INTERNAL_IFSTRIP_
#include <cruntime.h>
#endif /* _INTERNAL_IFSTRIP_ */
/* Define _CRTIMP */
#ifndef _CRTIMP
#ifdef CRTDLL
#define _CRTIMP __declspec(dllexport)
#else /* CRTDLL */
#ifdef _DLL
#define _CRTIMP __declspec(dllimport)
#else /* _DLL */
#define _CRTIMP
#endif /* _DLL */
#endif /* CRTDLL */
#endif /* _CRTIMP */
/* Define __cdecl for non-Microsoft compilers */
#if (!defined (_MSC_VER) && !defined (__cdecl))
#define __cdecl
#endif /* (!defined (_MSC_VER) && !defined (__cdecl)) */
/* Define _CRTAPI1 (for compatibility with the NT SDK) */
#ifndef _CRTAPI1
#if _MSC_VER >= 800 && _M_IX86 >= 300
#define _CRTAPI1 __cdecl
#else /* _MSC_VER >= 800 && _M_IX86 >= 300 */
#define _CRTAPI1
#endif /* _MSC_VER >= 800 && _M_IX86 >= 300 */
#endif /* _CRTAPI1 */
#ifndef _SIZE_T_DEFINED
typedef unsigned int size_t;
#define _SIZE_T_DEFINED
#endif /* _SIZE_T_DEFINED */
/* Maximum heap request the heap manager will attempt */
#define _HEAP_MAXREQ 0xFFFFFFE0
/* Constants for _heapchk/_heapset/_heapwalk routines */
#define _HEAPEMPTY (-1)
#define _HEAPOK (-2)
#define _HEAPBADBEGIN (-3)
#define _HEAPBADNODE (-4)
#define _HEAPEND (-5)
#define _HEAPBADPTR (-6)
#define _FREEENTRY 0
#define _USEDENTRY 1
#ifndef _HEAPINFO_DEFINED
typedef struct _heapinfo {
int * _pentry;
size_t _size;
int _useflag;
} _HEAPINFO;
#define _HEAPINFO_DEFINED
#endif /* _HEAPINFO_DEFINED */
/* External variable declarations */
#ifndef _INTERNAL_IFSTRIP_
#if defined (_DLL) && defined (_M_IX86)
/* Retained for compatibility with VC++ 5.0 and earlier versions */
_CRTIMP unsigned int * __cdecl __p__amblksiz(void);
#endif /* defined (_DLL) && defined (_M_IX86) */
#endif /* _INTERNAL_IFSTRIP_ */
extern unsigned int _amblksiz;
/* Function prototypes */
_CRTIMP void * __cdecl calloc(size_t, size_t);
_CRTIMP void __cdecl free(void *);
_CRTIMP void * __cdecl malloc(size_t);
_CRTIMP void * __cdecl realloc(void *, size_t);
#ifdef _MAC
_CRTIMP size_t __cdecl _stackavail(void);
#endif /* _MAC */
void * __cdecl _alloca(size_t);
_CRTIMP void * __cdecl _expand(void *, size_t);
_CRTIMP size_t __cdecl _get_sbh_threshold(void);
_CRTIMP int __cdecl _set_sbh_threshold(size_t);
_CRTIMP int __cdecl _heapadd(void *, size_t);
_CRTIMP int __cdecl _heapchk(void);
_CRTIMP int __cdecl _heapmin(void);
_CRTIMP int __cdecl _heapset(unsigned int);
_CRTIMP int __cdecl _heapwalk(_HEAPINFO *);
_CRTIMP size_t __cdecl _heapused(size_t *, size_t *);
_CRTIMP size_t __cdecl _msize(void *);
#if !__STDC__
/* Non-ANSI names for compatibility */
#define alloca _alloca
#endif /* !__STDC__ */
#if defined (_M_MRX000) || defined (_M_PPC) || defined (_M_ALPHA)
#pragma intrinsic(_alloca)
#endif /* defined (_M_MRX000) || defined (_M_PPC) || defined (_M_ALPHA) */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#ifdef _MSC_VER
#pragma pack(pop)
#endif /* _MSC_VER */
#endif /* _INC_MALLOC */