diff --git a/src/proto/window.pro b/src/proto/window.pro
index 629ced3..362f00a 100644
--- a/src/proto/window.pro
+++ b/src/proto/window.pro
@@ -1,59 +1,59 @@
 /* window.c */
-void do_window __ARGS((int nchar, long Prenum, int xchar));
-int win_split __ARGS((int size, int flags));
-int win_valid __ARGS((win_T *win));
-int win_count __ARGS((void));
-int make_windows __ARGS((int count, int vertical));
-void win_move_after __ARGS((win_T *win1, win_T *win2));
-void win_equal __ARGS((win_T *next_curwin, int current, int dir));
-void close_windows __ARGS((buf_T *buf, int keep_curwin));
-void win_close __ARGS((win_T *win, int free_buf));
-void win_close_othertab __ARGS((win_T *win, int free_buf, tabpage_T *tp));
-void win_free_all __ARGS((void));
-void close_others __ARGS((int message, int forceit));
-void curwin_init __ARGS((void));
-int win_alloc_first __ARGS((void));
-void win_init_size __ARGS((void));
-int win_new_tabpage __ARGS((int after));
-int may_open_tabpage __ARGS((void));
-int make_tabpages __ARGS((int maxcount));
-int valid_tabpage __ARGS((tabpage_T *tpc));
-tabpage_T *find_tabpage __ARGS((int n));
-int tabpage_index __ARGS((tabpage_T *ftp));
-void goto_tabpage __ARGS((int n));
-void goto_tabpage_tp __ARGS((tabpage_T *tp));
-void tabpage_move __ARGS((int nr));
-void win_goto __ARGS((win_T *wp));
-win_T *win_find_nr __ARGS((int winnr));
-void win_enter __ARGS((win_T *wp, int undo_sync));
-win_T *buf_jump_open_win __ARGS((buf_T *buf));
-int win_alloc_lines __ARGS((win_T *wp));
-void win_free_lsize __ARGS((win_T *wp));
-void shell_new_rows __ARGS((void));
-void shell_new_columns __ARGS((void));
-void win_size_save __ARGS((garray_T *gap));
-void win_size_restore __ARGS((garray_T *gap));
-int win_comp_pos __ARGS((void));
-void win_setheight __ARGS((int height));
-void win_setheight_win __ARGS((int height, win_T *win));
-void win_setwidth __ARGS((int width));
-void win_setwidth_win __ARGS((int width, win_T *wp));
-void win_setminheight __ARGS((void));
-void win_drag_status_line __ARGS((win_T *dragwin, int offset));
-void win_drag_vsep_line __ARGS((win_T *dragwin, int offset));
-void win_comp_scroll __ARGS((win_T *wp));
-void command_height __ARGS((long old_p_ch));
-void last_status __ARGS((int morewin));
-int tabline_height __ARGS((void));
-char_u *grab_file_name __ARGS((long count, linenr_T *file_lnum));
-char_u *file_name_at_cursor __ARGS((int options, long count, linenr_T *file_lnum));
-char_u *file_name_in_line __ARGS((char_u *line, int col, int options, long count, char_u *rel_fname, linenr_T *file_lnum));
-char_u *find_file_name_in_path __ARGS((char_u *ptr, int len, int options, long count, char_u *rel_fname));
-int path_with_url __ARGS((char_u *fname));
-int vim_isAbsName __ARGS((char_u *name));
-int vim_FullName __ARGS((char_u *fname, char_u *buf, int len, int force));
-int min_rows __ARGS((void));
-int only_one_window __ARGS((void));
-void check_lnums __ARGS((int do_curwin));
-int win_hasvertsplit __ARGS((void));
+extern void do_window __ARGS((int nchar, long Prenum, int xchar));
+extern int win_split __ARGS((int size, int flags));
+extern int win_valid __ARGS((win_T *win));
+extern int win_count __ARGS((void));
+extern int make_windows __ARGS((int count, int vertical));
+extern void win_move_after __ARGS((win_T *win1, win_T *win2));
+extern void win_equal __ARGS((win_T *next_curwin, int current, int dir));
+extern void close_windows __ARGS((buf_T *buf, int keep_curwin));
+extern void win_close __ARGS((win_T *win, int free_buf));
+extern void win_close_othertab __ARGS((win_T *win, int free_buf, tabpage_T *tp));
+extern void win_free_all __ARGS((void));
+extern void close_others __ARGS((int message, int forceit));
+extern void curwin_init __ARGS((void));
+extern int win_alloc_first __ARGS((void));
+extern void win_init_size __ARGS((void));
+extern int win_new_tabpage __ARGS((int after));
+extern int may_open_tabpage __ARGS((void));
+extern int make_tabpages __ARGS((int maxcount));
+extern int valid_tabpage __ARGS((tabpage_T *tpc));
+extern tabpage_T *find_tabpage __ARGS((int n));
+extern int tabpage_index __ARGS((tabpage_T *ftp));
+extern void goto_tabpage __ARGS((int n));
+extern void goto_tabpage_tp __ARGS((tabpage_T *tp));
+extern void tabpage_move __ARGS((int nr));
+extern void win_goto __ARGS((win_T *wp));
+extern win_T *win_find_nr __ARGS((int winnr));
+extern void win_enter __ARGS((win_T *wp, int undo_sync));
+extern win_T *buf_jump_open_win __ARGS((buf_T *buf));
+extern int win_alloc_lines __ARGS((win_T *wp));
+extern void win_free_lsize __ARGS((win_T *wp));
+extern void shell_new_rows __ARGS((void));
+extern void shell_new_columns __ARGS((void));
+extern void win_size_save __ARGS((garray_T *gap));
+extern void win_size_restore __ARGS((garray_T *gap));
+extern int win_comp_pos __ARGS((void));
+extern void win_setheight __ARGS((int height));
+extern void win_setheight_win __ARGS((int height, win_T *win));
+extern void win_setwidth __ARGS((int width));
+extern void win_setwidth_win __ARGS((int width, win_T *wp));
+extern void win_setminheight __ARGS((void));
+extern void win_drag_status_line __ARGS((win_T *dragwin, int offset));
+extern void win_drag_vsep_line __ARGS((win_T *dragwin, int offset));
+extern void win_comp_scroll __ARGS((win_T *wp));
+extern void command_height __ARGS((long old_p_ch));
+extern void last_status __ARGS((int morewin));
+extern int tabline_height __ARGS((void));
+extern char_u *grab_file_name __ARGS((long count, linenr_T *file_lnum));
+extern char_u *file_name_at_cursor __ARGS((int options, long count, linenr_T *file_lnum));
+extern char_u *file_name_in_line __ARGS((char_u *line, int col, int options, long count, char_u *rel_fname, linenr_T *file_lnum));
+extern char_u *find_file_name_in_path __ARGS((char_u *ptr, int len, int options, long count, char_u *rel_fname));
+extern int path_with_url __ARGS((char_u *fname));
+extern int vim_isAbsName __ARGS((char_u *name));
+extern int vim_FullName __ARGS((char_u *fname, char_u *buf, int len, int force));
+extern int min_rows __ARGS((void));
+extern int only_one_window __ARGS((void));
+extern void check_lnums __ARGS((int do_curwin));
+extern int win_hasvertsplit __ARGS((void));
 /* vim: set ft=c : */