7-binary_tree_inorder.c

#include "binary_trees.h"

/**
 * binary_tree_inorder - goes through a binary tree using in-order traversal
 * @tree: pointer to the root node of the tree to traverse
 * @func: pointer to a function to call for each node
*/
void binary_tree_inorder(const binary_tree_t *tree, void (*func)(int))
{
    if (!tree || !func) return;
	binary_tree_inorder(tree->left, func);
	(func)(tree->n);
	binary_tree_inorder(tree->right, func);
}