/*process.c*/
#include<stdio.h>
#include<unistd.h>
#include <stdlib.h>

int main()
{
/*獲得當前進程的進程ID和其父進程ID*/
	printf("The PID of this process is %d\n",getpid());
	printf("The PPID of this process is %d\n",getppid());
}