malloc.h

uC/os原码 ,大家可以自由下载研究,共同进步, 共同研究,有心得共享呀

/*  malloc.h

    memory management functions and variables.

    Copyright (c) 1991 by Borland International
    All Rights Reserved.
*/

#if !defined(__MALLOC_H)
#define __MALLOC_H

#if !defined(__ALLOC_H)
#include <alloc.h>
#endif

#if defined(__TINY__) || defined(__SMALL__) || defined(__MEDIUM__)

/* Near heap functions currently allowed only in small data models */

#define _nmalloc(size)          malloc(size)
#define _nfree(block)           free(block)
#define _nrealloc(block,size)   realloc(block,size)
#define _ncalloc(num,size)      calloc(num,size)
#define _nheapmin()             0
#define _memavl()               coreleft()

#endif  /* small data models */

/* Model-independent functions */

#define _fmalloc(size)          farmalloc((unsigned long)(size))
#define _ffree(block)           farfree(block)
#define _frealloc(block,size)   farrealloc(block,(unsigned long)(size))
#define _fcalloc(num,size)      farcalloc((unsigned long)(num),(unsigned long)(size))
#define halloc(num,size)        (void huge *)farmalloc((unsigned long)(num)*(size))
#define hfree(block)            farfree((void far *)(block))
#define _heapmin()              0
#define _fheapmin()             0

#endif