9-binary_tree_height.c

#include "binary_trees.h"
#include <stdio.h>

/**
 * binary_tree_height - measures the height of a binary tree
 * @tree: pointer to the root node of the target tree
 *
 * Return: 0 if the tree is NULL, tree height on success
 */
size_t binary_tree_height(const binary_tree_t *tree)
{
	size_t left = 0, right = 0;

	if (tree == NULL)
	{
		return (0);
	}

	left = tree->left ? binary_tree_height(tree->left) + 1 : 0;
	right = tree->right ? binary_tree_height(tree->right) + 1 : 0;

	return ((left > right) ? left : right);

}