pub unsafe extern "C" fn Fl_Tree_extend_selection(
self_: *mut Fl_Tree,
from: *mut Fl_Tree_Item,
to: *mut Fl_Tree_Item,
val: c_int,
visible: c_int,
) -> c_int
pub unsafe extern "C" fn Fl_Tree_extend_selection(
self_: *mut Fl_Tree,
from: *mut Fl_Tree_Item,
to: *mut Fl_Tree_Item,
val: c_int,
visible: c_int,
) -> c_int