Function lv_tree_node_create 

pub unsafe extern "C" fn lv_tree_node_create(
    class_p: *const lv_tree_class_t,
    parent: *mut lv_tree_node_t,
) -> *mut lv_tree_node_t

@brief Create a tree node @param class_p pointer to a class of the node @param parent pointer to the parent node (or NULL if it’s the root node) @return pointer to the new node