diff --git a/runtime/autoload/ccomplete.vim b/runtime/autoload/ccomplete.vim
new file mode 100644
index 0000000..f699ca7
--- /dev/null
+++ b/runtime/autoload/ccomplete.vim
@@ -0,0 +1,32 @@
+" Vim completion script
+" Language:	C
+" Maintainer:	Bram Moolenaar <Bram@vim.org>
+" Last Change:	2005 Sep 01
+
+function! ccomplete#Complete(findstart, base)
+  if a:findstart
+    " locate the start of the word
+    let line = getline('.')
+    let start = col('.') - 1
+    while start > 0
+      if line[start - 1] =~ '\w\|\.'
+	let start -= 1
+      elseif start > 1 && line[start - 2] == '-' && line[start - 1] == '>'
+	let start -= 2
+      else
+	break
+      endif
+    endwhile
+    return start
+  endif
+
+  " return list of matches
+  let items = split(a:base, '\.\|->')
+  if len(items) == 1
+    " Only one part, no "." or "->": complete from tags file.
+    let diclist = taglist(items[0])
+    return map(diclist, 'v:val["name"]')
+  endif
+  return items
+endfunction
+