diff --git a/src/proto/cmdhist.pro b/src/proto/cmdhist.pro
new file mode 100644
index 0000000..1c33f4a
--- /dev/null
+++ b/src/proto/cmdhist.pro
@@ -0,0 +1,19 @@
+/* cmdhist.c */
+int get_hislen(void);
+histentry_T *get_histentry(int hist_type);
+void set_histentry(int hist_type, histentry_T *entry);
+int *get_hisidx(int hist_type);
+int *get_hisnum(int hist_type);
+int hist_char2type(int c);
+char_u *get_history_arg(expand_T *xp, int idx);
+void init_history(void);
+void clear_hist_entry(histentry_T *hisptr);
+int in_history(int type, char_u *str, int move_to_front, int sep, int writing);
+void add_to_history(int histype, char_u *new_entry, int in_map, int sep);
+void remove_key_from_history(void);
+void ex_history(exarg_T *eap);
+void f_histadd(typval_T *argvars, typval_T *rettv);
+void f_histdel(typval_T *argvars, typval_T *rettv);
+void f_histget(typval_T *argvars, typval_T *rettv);
+void f_histnr(typval_T *argvars, typval_T *rettv);
+/* vim: set ft=c : */