diff --git a/src/proto/ui.pro b/src/proto/ui.pro
index 8825b6a..593c1b9 100644
--- a/src/proto/ui.pro
+++ b/src/proto/ui.pro
@@ -1,61 +1,61 @@
 /* ui.c */
-void ui_write __ARGS((char_u *s, int len));
-void ui_inchar_undo __ARGS((char_u *s, int len));
-int ui_inchar __ARGS((char_u *buf, int maxlen, long wtime, int tb_change_cnt));
-int ui_char_avail __ARGS((void));
-void ui_delay __ARGS((long msec, int ignoreinput));
-void ui_suspend __ARGS((void));
-void suspend_shell __ARGS((void));
-int ui_get_shellsize __ARGS((void));
-void ui_set_shellsize __ARGS((int mustset));
-void ui_new_shellsize __ARGS((void));
-void ui_breakcheck __ARGS((void));
-void clip_init __ARGS((int can_use));
-void clip_update_selection __ARGS((void));
-void clip_own_selection __ARGS((VimClipboard *cbd));
-void clip_lose_selection __ARGS((VimClipboard *cbd));
-void clip_copy_selection __ARGS((void));
-void clip_auto_select __ARGS((void));
-int clip_isautosel __ARGS((void));
-void clip_modeless __ARGS((int button, int is_click, int is_drag));
-void clip_start_selection __ARGS((int col, int row, int repeated_click));
-void clip_process_selection __ARGS((int button, int col, int row, int_u repeated_click));
-void clip_may_redraw_selection __ARGS((int row, int col, int len));
-void clip_clear_selection __ARGS((void));
-void clip_may_clear_selection __ARGS((int row1, int row2));
-void clip_scroll_selection __ARGS((int rows));
-void clip_copy_modeless_selection __ARGS((int both));
-int clip_gen_own_selection __ARGS((VimClipboard *cbd));
-void clip_gen_lose_selection __ARGS((VimClipboard *cbd));
-void clip_gen_set_selection __ARGS((VimClipboard *cbd));
-void clip_gen_request_selection __ARGS((VimClipboard *cbd));
-int vim_is_input_buf_full __ARGS((void));
-int vim_is_input_buf_empty __ARGS((void));
-int vim_free_in_input_buf __ARGS((void));
-int vim_used_in_input_buf __ARGS((void));
-char_u *get_input_buf __ARGS((void));
-void set_input_buf __ARGS((char_u *p));
-void add_to_input_buf __ARGS((char_u *s, int len));
-void add_to_input_buf_csi __ARGS((char_u *str, int len));
-void push_raw_key __ARGS((char_u *s, int len));
-void trash_input_buf __ARGS((void));
-int read_from_input_buf __ARGS((char_u *buf, long maxlen));
-void fill_input_buf __ARGS((int exit_on_error));
-void read_error_exit __ARGS((void));
-void ui_cursor_shape __ARGS((void));
-int check_col __ARGS((int col));
-int check_row __ARGS((int row));
-void open_app_context __ARGS((void));
-void x11_setup_atoms __ARGS((Display *dpy));
-void clip_x11_request_selection __ARGS((Widget myShell, Display *dpy, VimClipboard *cbd));
-void clip_x11_lose_selection __ARGS((Widget myShell, VimClipboard *cbd));
-int clip_x11_own_selection __ARGS((Widget myShell, VimClipboard *cbd));
-void clip_x11_set_selection __ARGS((VimClipboard *cbd));
-int jump_to_mouse __ARGS((int flags, int *inclusive, int which_button));
-int mouse_comp_pos __ARGS((win_T *win, int *rowp, int *colp, linenr_T *lnump));
-win_T *mouse_find_win __ARGS((int *rowp, int *colp));
-int get_fpos_of_mouse __ARGS((pos_T *mpos));
-int vcol2col __ARGS((win_T *wp, linenr_T lnum, int vcol));
-void ui_focus_change __ARGS((int in_focus));
-void im_save_status __ARGS((long *psave));
+extern void ui_write __ARGS((char_u *s, int len));
+extern void ui_inchar_undo __ARGS((char_u *s, int len));
+extern int ui_inchar __ARGS((char_u *buf, int maxlen, long wtime, int tb_change_cnt));
+extern int ui_char_avail __ARGS((void));
+extern void ui_delay __ARGS((long msec, int ignoreinput));
+extern void ui_suspend __ARGS((void));
+extern void suspend_shell __ARGS((void));
+extern int ui_get_shellsize __ARGS((void));
+extern void ui_set_shellsize __ARGS((int mustset));
+extern void ui_new_shellsize __ARGS((void));
+extern void ui_breakcheck __ARGS((void));
+extern void clip_init __ARGS((int can_use));
+extern void clip_update_selection __ARGS((void));
+extern void clip_own_selection __ARGS((VimClipboard *cbd));
+extern void clip_lose_selection __ARGS((VimClipboard *cbd));
+extern void clip_copy_selection __ARGS((void));
+extern void clip_auto_select __ARGS((void));
+extern int clip_isautosel __ARGS((void));
+extern void clip_modeless __ARGS((int button, int is_click, int is_drag));
+extern void clip_start_selection __ARGS((int col, int row, int repeated_click));
+extern void clip_process_selection __ARGS((int button, int col, int row, int_u repeated_click));
+extern void clip_may_redraw_selection __ARGS((int row, int col, int len));
+extern void clip_clear_selection __ARGS((void));
+extern void clip_may_clear_selection __ARGS((int row1, int row2));
+extern void clip_scroll_selection __ARGS((int rows));
+extern void clip_copy_modeless_selection __ARGS((int both));
+extern int clip_gen_own_selection __ARGS((VimClipboard *cbd));
+extern void clip_gen_lose_selection __ARGS((VimClipboard *cbd));
+extern void clip_gen_set_selection __ARGS((VimClipboard *cbd));
+extern void clip_gen_request_selection __ARGS((VimClipboard *cbd));
+extern int vim_is_input_buf_full __ARGS((void));
+extern int vim_is_input_buf_empty __ARGS((void));
+extern int vim_free_in_input_buf __ARGS((void));
+extern int vim_used_in_input_buf __ARGS((void));
+extern char_u *get_input_buf __ARGS((void));
+extern void set_input_buf __ARGS((char_u *p));
+extern void add_to_input_buf __ARGS((char_u *s, int len));
+extern void add_to_input_buf_csi __ARGS((char_u *str, int len));
+extern void push_raw_key __ARGS((char_u *s, int len));
+extern void trash_input_buf __ARGS((void));
+extern int read_from_input_buf __ARGS((char_u *buf, long maxlen));
+extern void fill_input_buf __ARGS((int exit_on_error));
+extern void read_error_exit __ARGS((void));
+extern void ui_cursor_shape __ARGS((void));
+extern int check_col __ARGS((int col));
+extern int check_row __ARGS((int row));
+extern void open_app_context __ARGS((void));
+extern void x11_setup_atoms __ARGS((Display *dpy));
+extern void clip_x11_request_selection __ARGS((Widget myShell, Display *dpy, VimClipboard *cbd));
+extern void clip_x11_lose_selection __ARGS((Widget myShell, VimClipboard *cbd));
+extern int clip_x11_own_selection __ARGS((Widget myShell, VimClipboard *cbd));
+extern void clip_x11_set_selection __ARGS((VimClipboard *cbd));
+extern int jump_to_mouse __ARGS((int flags, int *inclusive, int which_button));
+extern int mouse_comp_pos __ARGS((win_T *win, int *rowp, int *colp, linenr_T *lnump));
+extern win_T *mouse_find_win __ARGS((int *rowp, int *colp));
+extern int get_fpos_of_mouse __ARGS((pos_T *mpos));
+extern int vcol2col __ARGS((win_T *wp, linenr_T lnum, int vcol));
+extern void ui_focus_change __ARGS((int in_focus));
+extern void im_save_status __ARGS((long *psave));
 /* vim: set ft=c : */