#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/wait.h>


pid_t p;
pid_t pp;
pid_t ppp;
pid_t pppp;


int main()
{

switch(fork())
	{
	default:

		switch(fork())

				{
			case 0:
			printf("P2: pid potomka: %d ppid: %d\n", getpid(), getppid());
			p=getpid(); //P2

			exit(0);
				}
printf("P1: pid przodka: %d ppid: %d [ %d ]\n ", getpid(), getppid(),p);
		switch(fork())
				{
			case 0:
			printf("P4: pid potomka: %d ppid: %d\n", getpid(), getppid());
			ppp=getpid(); //P4
			exit(0);
				}
		switch(fork())
			{
			case 0:
			printf("P5: pid potomka: %d ppid: %d\n", getpid(), getppid());
			pppp=getpid(); //P5

			switch(fork())
				{
			case 0:
			printf("P8: pid potomka: %d ppid: %d\n", getpid(), getppid());
			exit(0);
				}

			switch(fork())
				{
			case 0:
			printf("P9: pid potomka: %d ppid: %d\n", getpid(), getppid());
			exit(0);
				}
			wait(NULL);
			wait(NULL);
			exit(0);
			}

		switch(fork())
			{
			case 0:

			printf("P3: pid potomka: %d ppid: %d\n", getpid(), getppid());
			pp=getpid(); //P3

			switch(fork())
				{
			case 0:
			printf("P6: pid potomka: %d ppid: %d\n", getpid(), getppid());
			exit(0);
				}

			switch(fork())
			{
			case 0:
			printf("P7: pid potomka: %d ppid: %d\n", getpid(), getppid());

			switch(fork())
				{
			case 0:
			printf("P10: pid potomka: %d ppid: %d\n", getpid(), getppid());
			exit(0);
				}
			wait(NULL);
			exit(0);
			}
			wait(NULL);
			wait(NULL);

			exit(0);
			}


wait(NULL);wait(NULL);wait(NULL);wait(NULL);wait(NULL);




	case 0:
		//printf("P3: pid potomka: %d ppid: %d\n", getpid(), getppid());
		exit(0);
	}


system("pause");
return 0;

}