Function fltk_sys::menu::Fl_Sys_Menu_Bar_resize_callback

pub unsafe extern "C" fn Fl_Sys_Menu_Bar_resize_callback(
    self_: *mut Fl_Sys_Menu_Bar,
    cb: Option<unsafe extern "C" fn(arg1: *mut Fl_Widget, x: c_int, y: c_int, w: c_int, h: c_int, arg2: *mut c_void)>,
    data: *mut c_void
)