/***
*msize.c - Win32 malloc/free heap routines
*
*	Copyright (c) 1991-1992, Microsoft Corporation.  All rights reserved.
*
*Purpose:
*
*Revision History:
*	01-10-92  JCR	Module created.
*	02-04-92  GJF	Replaced windows.h with oscalls.h.
*	05-06-92  DJM	ifndef out for POSIX.
*	09-23-92  SRW	Change winheap code to call NT directly always
*	10-28-92  SRW	Change winheap code to call Heap????Ex calls
*	11-05-92  SKS	Change name of variable "CrtHeap" to "_crtheap"
*	11-07-92  SRW   _NTIDW340 replaced by linkopts\betacmp.c
*	11-16-92  SRW   Heap???Ex functions renamed to Heap???
*   12-02-94  MJB   POSIX back in.
*
*******************************************************************************/

#include <cruntime.h>
#include <malloc.h>
#include <winheap.h>
#include <oscalls.h>

/***
*size_t _msize(pblock) - calculate the size of specified block in the heap
*
*Purpose:
*	Calculates the size of memory block (in the heap) pointed to by
*	pblock.
*
*Entry:
*	void *p - pointer to a memory block in the heap
*
*Return:
*	size of the block
*
*******************************************************************************/

size_t _CALLTYPE1 _msize(pblock)
void * pblock;

{
    return((size_t)HeapSize(_crtheap,
                            0,
                            pblock
                           ));
}