internode.cpp: uses gethostname now

	internode.parallelFor(0, n, [](SizeType i, SizeType){std::cout << i;});

	std::cout<<"\n--------------------------\n";

	system("hostname");

	size_t len = 1024;

	char* name = new char[len + 1];

	int x = gethostname(name, len);

	if (x != 0) std::cerr<<argv[0]<<": Could not gethostname\n";

	else std::cout<<name<<"\n";

	delete [] name;

	name = nullptr;

}