Function fltk_sys::text::Fl_Text_Editor_add_key_binding

pub unsafe extern "C" fn Fl_Text_Editor_add_key_binding(
    self_: *mut Fl_Text_Editor,
    key: c_int,
    state: c_int,
    kf: Option<unsafe extern "C" fn(arg1: c_int, arg2: *mut Fl_Text_Editor) -> c_int>
)