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- /***
- *malloc.h - declarations and definitions for memory allocation functions
- *
- * Copyright (c) 1985-1990, 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]
- *
- ****/
-
- #if defined(_DLL) && !defined(_MT)
- #error Cannot define _DLL without _MT
- #endif
-
- #ifdef _MT
- #define _FAR_ _far
- #else
- #define _FAR_
- #endif
-
-
- /* constants for based heap routines */
-
- #if (_MSC_VER >= 600)
- #define _NULLSEG ((_segment)0)
- #define _NULLOFF ((void _based(void) *)0xffff)
- #endif
-
-
- /* 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
-
-
- /* maximum heap request that can ever be honored */
-
- #define _HEAP_MAXREQ 0xFFE8
-
-
- /* types and structures */
-
- #ifndef _SIZE_T_DEFINED
- typedef unsigned int size_t;
- #define _SIZE_T_DEFINED
- #endif
-
-
- #ifndef _HEAPINFO_DEFINED
- typedef struct _heapinfo {
- int _far * _pentry;
- size_t _size;
- int _useflag;
- } _HEAPINFO;
- #define _HEAPINFO_DEFINED
- #endif
-
-
- /* external variable declarations */
-
- #ifdef _DLL
- extern unsigned int _FAR_ _cdecl _amblksiz;
- #else
- extern unsigned int _near _cdecl _amblksiz;
- #endif
-
-
- /* based heap function prototypes */
-
- #if (_MSC_VER >= 600)
- void _based(void) * _FAR_ _cdecl _bcalloc(_segment, size_t, size_t);
- void _based(void) * _FAR_ _cdecl _bexpand(_segment,
- void _based(void) *, size_t);
- void _FAR_ _cdecl _bfree(_segment, void _based(void) *);
- int _FAR_ _cdecl _bfreeseg(_segment);
- int _FAR_ _cdecl _bheapadd(_segment, void _based(void) *, size_t);
- int _FAR_ _cdecl _bheapchk(_segment);
- int _FAR_ _cdecl _bheapmin(_segment);
- _segment _FAR_ _cdecl _bheapseg(size_t);
- int _FAR_ _cdecl _bheapset(_segment, unsigned int);
- int _FAR_ _cdecl _bheapwalk(_segment, _HEAPINFO *);
- void _based(void) * _FAR_ _cdecl _bmalloc(_segment, size_t);
- size_t _FAR_ _cdecl _bmsize(_segment, void _based(void) *);
- void _based(void) * _FAR_ _cdecl _brealloc(_segment,
- void _based(void) *, size_t);
- #endif
-
-
- /* function prototypes */
-
- void _FAR_ * _FAR_ _cdecl alloca(size_t);
- void _FAR_ * _FAR_ _cdecl calloc(size_t, size_t);
- void _FAR_ * _FAR_ _cdecl _expand(void _FAR_ *, size_t);
- void _far * _FAR_ _cdecl _fcalloc(size_t, size_t);
- void _far * _FAR_ _cdecl _fexpand(void _far *, size_t);
- void _FAR_ _cdecl _ffree(void _far *);
- int _FAR_ _cdecl _fheapchk(void);
- int _FAR_ _cdecl _fheapmin(void);
- int _FAR_ _cdecl _fheapset(unsigned int);
- int _FAR_ _cdecl _fheapwalk(_HEAPINFO _FAR_ *);
- void _far * _FAR_ _cdecl _fmalloc(size_t);
- size_t _FAR_ _cdecl _fmsize(void _far *);
- void _far * _FAR_ _cdecl _frealloc(void _far *, size_t);
- unsigned int _FAR_ _cdecl _freect(size_t);
- void _FAR_ _cdecl free(void _FAR_ *);
- void _huge * _FAR_ _cdecl halloc(long, size_t);
- void _FAR_ _cdecl hfree(void _huge *);
- int _FAR_ _cdecl _heapadd(void _far *, size_t);
- int _FAR_ _cdecl _heapchk(void);
- int _FAR_ _cdecl _heapmin(void);
- int _FAR_ _cdecl _heapset(unsigned int);
- int _FAR_ _cdecl _heapwalk(_HEAPINFO _FAR_ *);
- void _FAR_ * _FAR_ _cdecl malloc(size_t);
- size_t _FAR_ _cdecl _memavl(void);
- size_t _FAR_ _cdecl _memmax(void);
- size_t _FAR_ _cdecl _msize(void _FAR_ *);
- void _near * _FAR_ _cdecl _ncalloc(size_t, size_t);
- void _near * _FAR_ _cdecl _nexpand(void _near *, size_t);
- void _FAR_ _cdecl _nfree(void _near *);
- int _FAR_ _cdecl _nheapchk(void);
- int _FAR_ _cdecl _nheapmin(void);
- int _FAR_ _cdecl _nheapset(unsigned int);
- int _FAR_ _cdecl _nheapwalk(_HEAPINFO _FAR_ *);
- void _near * _FAR_ _cdecl _nmalloc(size_t);
- size_t _FAR_ _cdecl _nmsize(void _near *);
- void _near * _FAR_ _cdecl _nrealloc(void _near *, size_t);
- void _FAR_ * _FAR_ _cdecl realloc(void _FAR_ *, size_t);
- size_t _FAR_ _cdecl stackavail(void);
-