getpid.md

title	description	ms.date	api_name	api_location	api_type	topic_type	f1_keywords	helpviewer_keywords
_getpid	API reference for _getpid, which gets the process identification.	11/04/2016	_getpid	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	_getpid	getpid function _getpid function process identification numbers

_getpid

Gets the process identification.

Important

This API cannot be used in applications that execute in the Windows Runtime. For more information, see CRT functions not supported in Universal Windows Platform apps.

Syntax

int _getpid( void );

Return value

Returns the process ID obtained from the system. There's no error return.

Remarks

The _getpid function obtains the process ID from the system. The process ID uniquely identifies the calling process.

Requirements

Routine	Required header
_getpid	<process.h>

For more compatibility information, see Compatibility.

Example

// crt_getpid.c
// This program uses _getpid to obtain
// the process ID and then prints the ID.

#include <stdio.h>
#include <process.h>

int main( void )
{
   // If run from command line, shows different ID for
   // command line than for operating system shell.

   printf( "Process id: %d\n", _getpid() );
}

Process id: 3584

See also

Process and environment control
_mktemp, _wmktemp