#include <stdio.h>



struct _TreeNode {
  char         * extName;
  struct _List * childListP;
};

typedef struct _TreeNode TreeNode;

struct _Tree {
  struct _TreeNode * root;
};

typedef struct _Tree Tree;

extern Tree  * newTree( TreeNode * tnP );
extern TreeNode * newTreeNode( char * label );

extern void dfsTraversalOn(TreeNode * tnP);
extern void addChildToParentNode( TreeNode * parentP, TreeNode * childP );
extern TreeNode * getNodeFromRoot(Tree *t);

extern void printTreeNodePOnFP( TreeNode * P, FILE * fp );
extern void dfsCodeGenForNodeOnFile( int level, TreeNode * tnP, FILE * fp );