pub unsafe extern "C" fn Fl_Tree_add_item(
self_: *mut Fl_Tree,
name: *const c_char,
item: *mut Fl_Tree_Item,
) -> *mut Fl_Tree_Item
pub unsafe extern "C" fn Fl_Tree_add_item(
self_: *mut Fl_Tree,
name: *const c_char,
item: *mut Fl_Tree_Item,
) -> *mut Fl_Tree_Item