Where can i find a good tutorial for linked list,binary trees

[transgalactic]

i got this code

http://img66.imageshack.us/my.php?image=93367399de7.gif

i know linked lists a little
but in this code there are some arrows i can't understand
what is their meaning??

is there any tutorial for these arrows thing?

 

[neutrino]

http://www.cplusplus.com/doc/tutorial/structures.html

Scroll down to the section titled 'Pointers to structures'.