diff --git a/xproto.h b/xproto.h
index 69bea4d..7d70140 100644
--- a/xproto.h
+++ b/xproto.h
@@ -12,3 +12,5 @@ int ewmh_set_window_modal(Window wnd);
 void ewmh_set_icon(Window wnd, int width, int height, const char *rgba_data);
 void ewmh_del_icon(Window wnd, int width, int height);
 int ewmh_set_window_above(Window wnd);
+void set_keypress_keysym(unsigned int keycode, KeySym keysym);
+KeySym reset_keypress_keysym(unsigned int keycode, KeySym keysym);