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title ms.custom ms.date ms.reviewer ms.suite ms.technology ms.tgt_pltfrm ms.topic f1_keywords dev_langs helpviewer_keywords ms.assetid caps.latest.revision author ms.author manager
Error Handling (CRT) | Microsoft Docs
11/04/2016
cpp-standard-libraries
article
c.errors
C++
error handling, C routines for
logic errors
error handling, library routines
testing, for program errors
125ac697-9eb0-4152-a440-b7842f23d97f
8
corob-msft
corob
ghogen

Error Handling (CRT)

Use these routines to handle program errors.

Error-Handling Routines

Routine Use
assert macro Test for programming logic errors; available in both the release and debug versions of the run-time library.
_ASSERT, _ASSERTE macros Similar to assert, but only available in the debug versions of the run-time library.
clearerr Reset error indicator. Calling rewind or closing a stream also resets the error indicator.
_eof Check for end of file in low-level I/O.
feof Test for end of file. End of file is also indicated when _read returns 0.
ferror Test for stream I/O errors.
_RPT, _RPTF macros Generate a report similar to printf, but only available in the debug versions of the run-time library.
_set_error_mode Modifies __error_mode to determine a non-default location where the C run time writes an error message for an error that will possibly end the program.
_set_purecall_handler Sets the handler for a pure virtual function call.

See Also

Run-Time Routines by Category