| title | _DEBUG | Microsoft Docs | ||
|---|---|---|---|
| ms.custom | |||
| ms.date | 11/04/2016 | ||
| ms.reviewer | |||
| ms.suite | |||
| ms.technology |
|
||
| ms.tgt_pltfrm | |||
| ms.topic | article | ||
| f1_keywords |
|
||
| dev_langs |
|
||
| helpviewer_keywords |
|
||
| ms.assetid | a9901568-4846-4731-a404-399d947e2e7a | ||
| caps.latest.revision | 8 | ||
| author | corob-msft | ||
| ms.author | corob | ||
| manager | ghogen |
The compiler defines _DEBUG when you specify the /MTd or /MDd option. These options specify debug versions of the C run-time library.
For more information, see CRT Debugging Techniques.