diff --git a/src/proto/quickfix.pro b/src/proto/quickfix.pro
index abe5b39..904a60a 100644
--- a/src/proto/quickfix.pro
+++ b/src/proto/quickfix.pro
@@ -30,6 +30,9 @@
 int set_errorlist(win_T *wp, list_T *list, int action, char_u *title, dict_T *what);
 int set_ref_in_quickfix(int copyID);
 void ex_cbuffer(exarg_T *eap);
+char_u *cexpr_get_auname(cmdidx_T cmdidx);
+int trigger_cexpr_autocmd(int cmdidx);
+int cexpr_core(exarg_T *eap, typval_T *tv);
 void ex_cexpr(exarg_T *eap);
 void ex_helpgrep(exarg_T *eap);
 void f_getloclist(typval_T *argvars, typval_T *rettv);