set-doserrno.md

description	title	ms.date	api_name	api_location	api_type	topic_type	f1_keywords	helpviewer_keywords	ms.assetid
Learn more about: _set_doserrno	_set_doserrno	4/2/2020	_set_doserrno _o__set_doserrno	msvcrt.dll msvcr80.dll msvcr90.dll msvcr100.dll msvcr100_clr0400.dll msvcr110.dll msvcr110_clr0400.dll msvcr120.dll msvcr120_clr0400.dll ucrtbase.dll api-ms-win-crt-runtime-l1-1-0.dll	DLLExport	apiref	_set_doserrno set_doserrno	_set_doserrno function doserrno global variable set_doserrno function _doserrno global variable	8686c159-3797-4705-a53e-7457869ca6f3

_set_doserrno

Sets the value of the _doserrno global variable.

Syntax

errno_t _set_doserrno( int error_value );

Parameters

error_value
The new value of _doserrno.

Return value

Returns zero if successful.

Remarks

Possible values are defined in Errno.h.

By default, this function's global state is scoped to the application. To change this behavior, see Global state in the CRT.

Requirements

Routine	Required header	Optional header
_set_doserrno	<stdlib.h>	<errno.h>

For more compatibility information, see Compatibility.

See also

_get_doserrno
errno, _doserrno, _sys_errlist, and _sys_nerr