VBO's question

hi, I finally have a real question. I''m using the program of reading 3ds file from the site of gametutorials (if someone familier with this program). so the method of the program is : saving array of faces - each face include three indexes(and not verticies) to another array of verticies (which contain only diffrent verticies - no tow verticies are the same - this way is saving place because there are alot of vertices which identical in the object). I read alittle about the tutorial of using VBO''s (vertex buffer). I really sure that the only way to use it is to make array of cordinates/verticies which include real values of place and not index as it is now. so what can I do without changing the 3ds reader program. thanks.