diff --git a/py/runtime.h b/py/runtime.h
index 1b58f47..3e325a3 100644
--- a/py/runtime.h
+++ b/py/runtime.h
@@ -95,6 +95,9 @@
 mp_obj_t mp_call_function_n_kw(mp_obj_t fun, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args);
 mp_obj_t mp_call_method_n_kw(mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args);
 mp_obj_t mp_call_method_n_kw_var(bool have_self, mp_uint_t n_args_n_kw, const mp_obj_t *args);
+// Call function and catch/dump exception - for Python callbacks from C code
+void mp_call_function_1_protected(mp_obj_t fun, mp_obj_t arg);
+void mp_call_function_2_protected(mp_obj_t fun, mp_obj_t arg1, mp_obj_t arg2);
 
 typedef struct _mp_call_args_t {
     mp_obj_t fun;