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title Run-Time Error Checking | Microsoft Docs
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ms.date 11/04/2016
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ms.suite
ms.technology
cpp-standard-libraries
ms.tgt_pltfrm
ms.topic article
f1_keywords
c.runtime
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C++
helpviewer_keywords
run-time error checking
run-time errors, checking
ms.assetid c965dd01-57ad-4a3c-b1d6-5aa04f920501
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author corob-msft
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cplusplus

Run-Time Error Checking

The C run-time library contains the functions that support run-time error checks (RTC). Run-time error checking allows you to build your program such that certain kinds of run-time errors are reported. You specify how the errors are reported and which kinds of errors are reported. For more information, see How to: Use Native Run-Time Checks.

Use the following functions to customize the way your program does run-time error checking.

Run-Time Error Checking Functions

Function Use
_RTC_GetErrDesc Returns a brief description of a run-time error check type.
_RTC_NumErrors Returns the total number of errors that can be detected by run-time error checks.
_RTC_SetErrorFunc Designates a function as the handler for reporting run-time error checks.
_RTC_SetErrorType Associates an error that is detected by run-time error checks with a type.

See Also

Run-Time Routines by Category
/RTC (Run-Time Error Checks)
runtime_checks
Debug Routines