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Annotation of os232sdk/c386/include/malloc.h, revision 1.1

1.1     ! root        1: /***
        !             2: *malloc.h - declarations and definitions for memory allocation functions
        !             3: *
        !             4: *      Copyright (c) 1985-1990, Microsoft Corporation.  All rights reserved.
        !             5: *
        !             6: *Purpose:
        !             7: *      Contains the function declarations for memory allocation functions;
        !             8: *      also defines manifest constants and types used by the heap routines.
        !             9: *      [System V]
        !            10: *
        !            11: ****/
        !            12: 
        !            13: 
        !            14: #define _HEAPEMPTY     (-1)
        !            15: #define _HEAPOK        (-2)
        !            16: #define _HEAPBADBEGIN  (-3)
        !            17: #define _HEAPBADNODE   (-4)
        !            18: #define _HEAPEND       (-5)
        !            19: #define _HEAPBADPTR    (-6)
        !            20: #define _FREEENTRY     0
        !            21: #define _USEDENTRY     1
        !            22: 
        !            23: /* Define _HEAP_MAXREQ to be equal to (unsigned)( -sizeof(_heap_seg_desc)
        !            24:  * - 2*sizeof(int) ) */
        !            25: 
        !            26: #define _HEAP_MAXREQ   0xFFFFFFD8
        !            27: 
        !            28: 
        !            29: #ifndef _SIZE_T_DEFINED
        !            30: typedef unsigned int size_t;
        !            31: #define _SIZE_T_DEFINED
        !            32: #endif
        !            33: 
        !            34: 
        !            35: #ifndef _HEAPINFO_DEFINED
        !            36: typedef struct _heapinfo {
        !            37:        int * _pentry;
        !            38:        size_t _size;
        !            39:        int _useflag;
        !            40:        } _HEAPINFO;
        !            41: #define _HEAPINFO_DEFINED
        !            42: #endif
        !            43: 
        !            44: 
        !            45: /* external variable declarations */
        !            46: 
        !            47: extern unsigned int _cdecl _amblksiz;
        !            48: 
        !            49: 
        !            50: /* function prototypes */
        !            51: 
        !            52: void * _cdecl alloca(size_t);
        !            53: void * _cdecl calloc(size_t, size_t);
        !            54: void * _cdecl _expand(void *, size_t);
        !            55: void _cdecl free(void *);
        !            56: int _cdecl _heapadd(void *, size_t);
        !            57: int _cdecl _heapchk(void);
        !            58: int _cdecl _heapmin(void);
        !            59: int _cdecl _heapset(unsigned int);
        !            60: int _cdecl _heapwalk(_HEAPINFO *);
        !            61: void * _cdecl malloc(size_t);
        !            62: size_t _cdecl _msize(void *);
        !            63: void * _cdecl realloc(void *, size_t);
        !            64: size_t _cdecl stackavail(void);

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