Function fltk_sys::misc::Fl_Chart_resize_callback

pub unsafe extern "C" fn Fl_Chart_resize_callback(
    self_: *mut Fl_Chart, 
    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
)