Function xkbcommon::xkb::ffi::xkb_state_key_get_syms

pub unsafe extern "C" fn xkb_state_key_get_syms(
    state: *mut xkb_state, 
    key: xkb_keycode_t, 
    syms_out: *mut *const xkb_keysym_t
) -> c_int