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+.DA
+
+.TL
+tree_node.h
+
+.AU
+Wael Karram
+
+.AB no
+Documentation for tree_node.h
+.AE
+
+.ND
+
+.PP
+This header defines a tree node, with the prepoccessor variable TREE_NODE_H used as an include guard.
+.br
+Defines a single struct
+.UL tree_node_t \0which
+has the fields
+.I "left" ,\0
+.I "right" \0and 
+.I "data" ,
+the former of which are two other node pointers, and the latter is a void pointer.
+.br
+It is of note that this header type-defines the aformentioned node as 
+.I "tree_node_t" .