#include <vector>
#include <string>

using namespace std;

class d_env
{
	public:

	// constructor
	d_env::d_env();

	// contains entire set of environmental variables
	vector <string> envar;

	// mechanism for retrieving vars
	string d_env::get( char * );
	string d_env::gets( char * );
	int d_env::geti( char * );

	friend ostream &operator<< (ostream &out, const d_env &L );
};