Dynamiczne alokowanie pamięci.

class Person
{
private:
    char * name = NULL;
    char * surname = NULL;
public:
    Person() { };
    Person( const char * n, const char * s );
    ~Person();
};

Person::Person( const char * n, const char * s )
{
    name = new char[ strlen( n ) + 1 ];
    strcpy( name, n );
    surname = new char[ strlen( s ) + 1 ];
    strcpy( surname, s );
}

Person::~Person()
{
    delete name;
    delete surname;
}