// --- File Tree.h ---
// Time-stamp: <Thu Jan 18 10:39:23 2018 (mz)>
// Created on: <Thu Jan 18 10:39:23 2018> by mz@labri.fr on [Espelette]

#ifndef TREE_H
#define TREE_H

#include <stdio.h>
#include <stdlib.h>

typedef struct tree {
  int value;
  struct tree *left, *right;
} *ptree;

/* tree.c */
ptree make_ptree(int v, ptree l, ptree r);
ptree leaf(int v);
void free_ptree(ptree p);
void postfix(ptree p, void (*f)(int));
void infix(ptree p, void (*f)(int));
void prefix(ptree p, void (*f)(int));
void print_value(int v);
int main(void);

#endif /* TREE_H */

// tree.h ends here