getpid

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Header File

process.h

Category

Process Control Routines

Prototype

unsigned getpid(void)

Description

Gets the process ID of a program.

This function returns the current process ID--an integer that uniquely identifies the process.

Return Value

getpid returns the current process' ID.

Example

#include <stdio.h>
#include <process.h>
int main()
{
   printf("This program's process identification number (PID) "
          "number is %X\n", getpid());
   printf("Note: under DOS it is the PSP segment\n");
   return 0;
}
 

Portability

POSIX	Win32	ANSI C	ANSI C++
+	+