diff --git a/src/proto/cmdexpand.pro b/src/proto/cmdexpand.pro
new file mode 100644
index 0000000..f2cea9f
--- /dev/null
+++ b/src/proto/cmdexpand.pro
@@ -0,0 +1,14 @@
+/* cmdexpand.c */
+int nextwild(expand_T *xp, int type, int options, int escape);
+char_u *ExpandOne(expand_T *xp, char_u *str, char_u *orig, int options, int mode);
+void ExpandInit(expand_T *xp);
+void ExpandCleanup(expand_T *xp);
+int showmatches(expand_T *xp, int wildmenu);
+char_u *sm_gettail(char_u *s);
+char_u *addstar(char_u *fname, int len, int context);
+void set_cmd_context(expand_T *xp, char_u *str, int len, int col, int use_ccline);
+int expand_cmdline(expand_T *xp, char_u *str, int col, int *matchcount, char_u ***matches);
+int ExpandGeneric(expand_T *xp, regmatch_T *regmatch, int *num_file, char_u ***file, char_u *((*func)(expand_T *, int)), int escaped);
+void globpath(char_u *path, char_u *file, garray_T *ga, int expand_options);
+void f_getcompletion(typval_T *argvars, typval_T *rettv);
+/* vim: set ft=c : */