From: Suraj Kurapati <snk@...>
Date: 2007-04-21T05:57:22+09:00
Subject: Re: looping through a tree from trunk to leaves

Nanyang Zhan wrote:
> from root to it's branch, 
> then to the ends of the branch,
> then go back for other branches...

This is a Depth First Search (DFS) tree traversal:

  http://en.wikipedia.org/wiki/Depth-first_search

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