diff --git a/src/proto/ex_docmd.pro b/src/proto/ex_docmd.pro
index d3f1a4e..7b837c9 100644
--- a/src/proto/ex_docmd.pro
+++ b/src/proto/ex_docmd.pro
@@ -46,7 +46,10 @@
 void ex_stop(exarg_T *eap);
 void handle_drop(int filec, char_u **filev, int split, void (*callback)(void *), void *cookie);
 void handle_any_postponed_drop(void);
-int expand_findexpr(char_u *pat, char_u ***files, int *numMatches);
+int expand_findfunc(char_u *pat, char_u ***files, int *numMatches);
+char *did_set_findfunc(optset_T *args);
+void free_findfunc_option(void);
+int set_ref_in_findfunc(int copyID);
 void ex_splitview(exarg_T *eap);
 void tabpage_new(void);
 void do_exedit(exarg_T *eap, win_T *old_curwin);
diff --git a/src/proto/option.pro b/src/proto/option.pro
index fce9199..83f32aa 100644
--- a/src/proto/option.pro
+++ b/src/proto/option.pro
@@ -120,7 +120,7 @@
 char_u *get_option_fullname(int opt_idx);
 opt_did_set_cb_T get_option_did_set_cb(int opt_idx);
 char_u *get_equalprg(void);
-char_u *get_findexpr(void);
+char_u *get_findfunc(void);
 void win_copy_options(win_T *wp_from, win_T *wp_to);
 void after_copy_winopt(win_T *wp);
 void copy_winopt(winopt_T *from, winopt_T *to);