getmaxstdio.md

description	title	ms.date	api_name	api_location	api_type	topic_type	f1_keywords	helpviewer_keywords	ms.assetid
Learn more about: _getmaxstdio	_getmaxstdio	11/04/2016	_getmaxstdio	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-stdio-l1-1-0.dll	DLLExport	apiref	_getmaxstdio getmaxstdio	files [C++], number open _getmaxstdio function getmaxstdio function open files, getting number	700ca8ce-4a8c-4e00-9467-dfa9d6b831a0

_getmaxstdio

Returns the number of simultaneously open files permitted at the stream I/O level.

Syntax

int _getmaxstdio( void );

Return value

Returns a number that represents the number of simultaneously open files currently permitted at the stdio level.

Remarks

Use _setmaxstdio to configure the number of simultaneously open files permitted at the stdio level.

Requirements

Routine	Required header
_getmaxstdio	<stdio.h>

For more compatibility information, see Compatibility.

Example

// crt_setmaxstdio.c
// The program retrieves the maximum number
// of open files and prints the results
// to the console.

#include <stdio.h>

int main()
{
   printf( "%d\n", _getmaxstdio());

   _setmaxstdio(2048);

   printf( "%d\n", _getmaxstdio());
}

512
2048

See also

Stream I/O