diff --git a/src/proto/fileio.pro b/src/proto/fileio.pro
new file mode 100644
index 0000000..fa275f4
--- /dev/null
+++ b/src/proto/fileio.pro
@@ -0,0 +1,39 @@
+/* fileio.c */
+void filemess __ARGS((buf_T *buf, char_u *name, char_u *s, int attr));
+int readfile __ARGS((char_u *fname, char_u *sfname, linenr_T from, linenr_T lines_to_skip, linenr_T lines_to_read, exarg_T *eap, int flags));
+int prep_exarg __ARGS((exarg_T *eap, buf_T *buf));
+int buf_write __ARGS((buf_T *buf, char_u *fname, char_u *sfname, linenr_T start, linenr_T end, exarg_T *eap, int append, int forceit, int reset_changed, int filtering));
+char_u *shorten_fname __ARGS((char_u *full_path, char_u *dir_name));
+void shorten_fnames __ARGS((int force));
+void shorten_filenames __ARGS((char_u **fnames, int count));
+char_u *modname __ARGS((char_u *fname, char_u *ext, int prepend_dot));
+char_u *buf_modname __ARGS((int shortname, char_u *fname, char_u *ext, int prepend_dot));
+int vim_fgets __ARGS((char_u *buf, int size, FILE *fp));
+int tag_fgets __ARGS((char_u *buf, int size, FILE *fp));
+int vim_rename __ARGS((char_u *from, char_u *to));
+int check_timestamps __ARGS((int focus));
+int buf_check_timestamp __ARGS((buf_T *buf, int focus));
+void buf_store_time __ARGS((buf_T *buf, struct stat *st, char_u *fname));
+void write_lnum_adjust __ARGS((linenr_T offset));
+void vim_deltempdir __ARGS((void));
+char_u *vim_tempname __ARGS((int extra_char));
+void forward_slash __ARGS((char_u *fname));
+void do_augroup __ARGS((char_u *arg, int del_group));
+int check_ei __ARGS((void));
+void do_autocmd __ARGS((char_u *arg, int forceit));
+int do_doautocmd __ARGS((char_u *arg, int do_msg));
+void ex_doautoall __ARGS((exarg_T *eap));
+void aucmd_prepbuf __ARGS((aco_save_T *aco, buf_T *buf));
+void aucmd_restbuf __ARGS((aco_save_T *aco));
+int apply_autocmds __ARGS((EVENT_T event, char_u *fname, char_u *fname_io, int force, buf_T *buf));
+int apply_autocmds_retval __ARGS((EVENT_T event, char_u *fname, char_u *fname_io, int force, buf_T *buf, int *retval));
+int has_cursorhold __ARGS((void));
+int has_autocmd __ARGS((EVENT_T event, char_u *sfname));
+char_u *get_augroup_name __ARGS((expand_T *xp, int idx));
+char_u *set_context_in_autocmd __ARGS((expand_T *xp, char_u *arg, int doautocmd));
+char_u *get_event_name __ARGS((expand_T *xp, int idx));
+int au_exists __ARGS((char_u *name, char_u *name_end, char_u *pattern));
+int match_file_pat __ARGS((char_u *pattern, char_u *fname, char_u *sfname, char_u *tail, int allow_dirs));
+int match_file_list __ARGS((char_u *list, char_u *sfname, char_u *ffname));
+char_u *file_pat_to_reg_pat __ARGS((char_u *pat, char_u *pat_end, char *allow_dirs, int no_bslash));
+/* vim: set ft=c : */