diff --git a/src/proto/hashtab.pro b/src/proto/hashtab.pro
new file mode 100644
index 0000000..90abb9f
--- /dev/null
+++ b/src/proto/hashtab.pro
@@ -0,0 +1,14 @@
+/* hashtab.c */
+extern void hash_init __ARGS((hashtab_T *ht));
+extern void hash_clear __ARGS((hashtab_T *ht));
+extern void hash_clear_all __ARGS((hashtab_T *ht, int off));
+extern hashitem_T *hash_find __ARGS((hashtab_T *ht, char_u *key));
+extern hashitem_T *hash_lookup __ARGS((hashtab_T *ht, char_u *key, hash_T hash));
+extern void hash_debug_results __ARGS((void));
+extern int hash_add __ARGS((hashtab_T *ht, char_u *key));
+extern int hash_add_item __ARGS((hashtab_T *ht, hashitem_T *hi, char_u *key, hash_T hash));
+extern void hash_remove __ARGS((hashtab_T *ht, hashitem_T *hi));
+extern void hash_lock __ARGS((hashtab_T *ht));
+extern void hash_unlock __ARGS((hashtab_T *ht));
+extern hash_T hash_hash __ARGS((char_u *key));
+/* vim: set ft=c : */