#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>

void pipeusage(int writingEnd,int readingEnd,char* message)
{
	pipefirst(writingEnd);
}

void pipefirst(int writingEnd,char* message)
{

}


int main(int argc, char** argv)
{
	if (argc==1)
	{
		if (!fcntl(68,F_GETFD)) return -1; //wypis peeror
		else lastchild();
	}
	int fd[2];
	if (pipe(fd)==-1) return -1;
	int id = fork();
	char** new_point = (char**)malloc(sizeof(char*)*(argc));
	for(int i=1; i<argc;++i) new_point[i-1]=argv[i];
	new_point[argc] =  NULL;
	if (!id)
	{
		close(fd[1]);
		dup2(fd[0],68);
		close(fd[0]);
		execvp("./test_prog",new_point);
	}
	close(fd[0]);
	if (!fcntl(68,F_GETFD))
	{
		pipefirst(fd[1],argv[1]);
	}
	else
	{
		pipeusage(fd[1],68,argv[1]);
	}
	waitid(id);
	free(new_point);
	return 0;
}