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/***
*malloc.h - declarations and definitions for memory allocation functions
*
* Copyright (c) 1985-1988, 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]
*
*******************************************************************************/
#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 _SIZE_T_DEFINED
typedef unsigned int size_t;
#define _SIZE_T_DEFINED
#endif
#if (!defined(NO_EXT_KEYS))
#ifndef _HEAPINFO_DEFINED
typedef struct _heapinfo {
int far * _pentry;
size_t _size;
int _useflag;
} _HEAPINFO;
#define _HEAPINFO_DEFINED
#endif
#else /* NO_EXT_KEYS */
#if (defined(M_I86CM) || defined(M_I86LM) || defined(M_I86HM))
#ifndef _HEAPINFO_DEFINED
typedef struct _heapinfo {
int * _pentry;
size_t _size;
int _useflag;
} _HEAPINFO;
#define _HEAPINFO_DEFINED
#endif
#endif /* M_I86CM || M_I86LM || M_I86HM */
#endif /* NO_EXT_KEYS */
#if (defined(M_I86SM) || defined(M_I86MM))
#define _heapchk _nheapchk
#define _heapset _nheapset
#define _heapwalk _nheapwalk
#endif
#if (defined(M_I86CM) || defined(M_I86LM) || defined(M_I86HM))
#define _heapchk _fheapchk
#define _heapset _fheapset
#define _heapwalk _fheapwalk
#endif
#ifndef NO_EXT_KEYS /* extensions enabled */
#define _CDECL cdecl
#define _NEAR near
#else /* extensions not enabled */
#define _CDECL
#define _NEAR
#endif /* NO_EXT_KEYS */
/* external variable declarations */
extern unsigned int _NEAR _CDECL _amblksiz;
/* function prototypes */
void * _CDECL alloca(size_t);
void * _CDECL calloc(size_t, size_t);
void * _CDECL _expand(void *, size_t);
int _CDECL _fheapchk(void);
int _CDECL _fheapset(unsigned int);
unsigned int _CDECL _freect(size_t);
void _CDECL free(void *);
void * _CDECL malloc(size_t);
size_t _CDECL _memavl(void);
size_t _CDECL _memmax(void);
size_t _CDECL _msize(void *);
int _CDECL _nheapchk(void);
int _CDECL _nheapset(unsigned int);
void * _CDECL realloc(void *, size_t);
void * _CDECL sbrk(int);
size_t _CDECL stackavail(void);
#ifndef NO_EXT_KEYS /* extensions enabled */
void cdecl _ffree(void far *);
void far * cdecl _fmalloc(size_t);
size_t cdecl _fmsize(void far *);
#ifndef _QC
void huge * cdecl halloc(long, size_t);
void cdecl hfree(void huge *);
#endif
void cdecl _nfree(void near *);
void near * cdecl _nmalloc(size_t);
size_t cdecl _nmsize(void near *);
int cdecl _nheapwalk(struct _heapinfo *);
int cdecl _fheapwalk(struct _heapinfo *);
#else
#if (defined(M_I86CM) || defined(M_I86LM) || defined(M_I86HM))
int _nheapwalk(struct _heapinfo *);
int _fheapwalk(struct _heapinfo *);
#endif /* M_I86CM || M_I86LM || M_I86HM */
#endif /* NO_EXT_KEYS */
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