C program to get Process Id and Parent Process Id in Linux

/*C program to get Process Id and Parent Process Id in Linux.*/

 

#include <stdio.h>

#include <unistd.h>

 

int main()

{

    int p_id,p_pid;

     

    p_id=getpid();  /*process id*/

    p_pid=getpid(); /*parent process id*/

     

    printf("Process ID: %d\n",p_id);

    printf("Parent Process ID: %d\n",p_pid);

 

    return 0;

}