 
 
	 
| Tree traversal functions | 
|  parent | return parent of <parameter>n</parameter> | 
|  daughter1 | return first daughter of <parameter>n</parameter> | 
|  daughter2 | return second daughter of <parameter>n</parameter> | 
|  daughtern | return nth daughter of <parameter>n</parameter> | 
|  daughtern | return last daughter of <parameter>n</parameter> | 
|  next_sibling | return next sibling (sister) of <parameter>n</parameter> | 
|  prev_sibling | return previous sibling (sister) of <parameter>n</parameter> | 
|  root | return root node of treeprevious sibling (sister) of <parameter>n</parameter> | 
|  parent | return parent of <parameter>n</parameter> as seen from relation <parameter>relname</parameter> | 
|  daughter1 | return first daughter of <parameter>n</parameter> as seen from relation <parameter>relname</parameter> | 
|  daughter2 | return second daughter of <parameter>n</parameter> as seen from relation <parameter>relname</parameter> | 
|  daughtern | return last daughter of <parameter>n</parameter> as seen from relation <parameter>relname</parameter> | 
|  next_sibling | return next sibling (sister) of <parameter>n</parameter> as seen from relation <parameter>relname</parameter> | 
|  prev_sibling | return previous sibling (sistem) of <parameter>n</parameter> as seen from relation <parameter>relname</parameter> | 
|  root | return root of tree of <parameter>n</parameter> as seen from relation <parameter>relname</parameter> | 
|  first_leaf | return the first leaf (terminal node) which is dominated by <parameter>n</parameter>. | 
|  last_leaf | return the last leaf (terminal node) which is dominated by <parameter>n</parameter>. | 
|  next_leaf | Return next leaf in tree given <parameter>n</parameter>. | 
|  num_leaves | Return number of leaves (terminal nodes) under <parameter>n</parameter> | 
|  in_tree | Given a node <parameter>t</parameter>, return true if <parameter>c</parameter> is under it in a tree | 
Alphabetic index Hierarchy of classes
 
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Edinburgh Speech Tools Library documentation
Copyright  University of Edinburgh 1997
Contact:  
         speech_tools@cstr.ed.ac.uk