Gets the process identification.
int _getpid( void );
| Routine | Required Header | Compatibility |
| _getpid | <process.h> | Win 95, Win NT |
For additional compatibility information, see Compatibility in the Introduction.
Libraries
| LIBC.LIB | Single thread static library, retail version |
| LIBCMT.LIB | Multithread static library, retail version |
| MSVCRT.LIB | Import library for MSVCRT.DLL, retail version |
Return Value
_getpid returns the process ID obtained from the system. There is no error return.
Remarks
The _getpid function obtains the process ID from the system. The process ID uniquely identifies the calling process.
Example
/* GETPID.C: This program uses _getpid to obtain
* the process ID and then prints the ID.
*/
#include <stdio.h>
#include <process.h>
void main( void )
{
/* If run from command line, shows different ID for
* command line than for operating system shell.
*/
printf( "\nProcess id: %d\n", _getpid() );
}
Output
Process id: 193
Process and Environment Control Routines
See Also _mktemp