10-binary_tree_depth.c

#include "binary_trees.h"

/**
 * binary_tree_depth - calculate depth of tree
 * @tree: pointer to root node
 * Return: depth or 0 is tree is NULL
 */

size_t binary_tree_depth(const binary_tree_t *tree)
{

	size_t x = 0;

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

	while (tree->parent)
	{
		tree = tree->parent;
		x++;
	}
	return (x);
}