crtgetallochook.md

description	Learn more about: _CrtGetAllocHook
title	_CrtGetAllocHook
ms.date	11/04/2016
api_name	_CrtGetAllocHook
api_location	msvcrt.dll msvcr80.dll msvcr90.dll msvcr100.dll msvcr100_clr0400.dll msvcr110.dll msvcr110_clr0400.dll msvcr120.dll msvcr120_clr0400.dll ucrtbase.dll
api_type	DLLExport
topic_type	apiref
f1_keywords	CrtGetAllocHook _CrtGetAllocHook
helpviewer_keywords	_CrtGetAllocHook function CrtGetAllocHook function
ms.assetid	036acf7c-547a-4b3f-a636-80451070d7ed

_CrtGetAllocHook

Retrieves the current client-defined allocation function for hooking into the C run-time debug memory allocation process (debug version only).

Syntax

_CRT_ALLOC_HOOK _CrtGetAllocHook( void );

Return value

Returns the currently defined allocation hook function.

Remarks

_CrtGetAllocHook retrieves the current client-defined application hook function for the C run-time debug library memory allocation process.

For more information about using other hook-capable run-time functions and writing your own client-defined hook functions, see Debug hook function writing.

Requirements

Routine	Required header
_CrtGetAllocHook	<crtdbg.h>

For more compatibility information, see Compatibility.

Libraries

Debug versions of C run-time libraries only.

See also

Debug routines
_CrtSetAllocHook