diff --git a/src/proto/gui.pro b/src/proto/gui.pro
index 322dc79..136570c 100644
--- a/src/proto/gui.pro
+++ b/src/proto/gui.pro
@@ -43,6 +43,7 @@
 void gui_create_scrollbar __ARGS((scrollbar_T *sb, int type, win_T *wp));
 scrollbar_T *gui_find_scrollbar __ARGS((long ident));
 void gui_drag_scrollbar __ARGS((scrollbar_T *sb, long value, int still_dragging));
+void gui_may_update_scrollbars __ARGS((void));
 void gui_update_scrollbars __ARGS((int force));
 int gui_do_scroll __ARGS((void));
 int gui_do_horiz_scroll __ARGS((void));
diff --git a/src/proto/window.pro b/src/proto/window.pro
index bcf171c..6bc5f7e 100644
--- a/src/proto/window.pro
+++ b/src/proto/window.pro
@@ -1,6 +1,7 @@
 /* window.c */
 void do_window __ARGS((int nchar, long Prenum, int xchar));
 int win_split __ARGS((int size, int flags));
+int win_split_ins __ARGS((int size, int flags, win_T *newwin, int dir));
 int win_valid __ARGS((win_T *win));
 int win_count __ARGS((void));
 int make_windows __ARGS((int count, int vertical));
@@ -10,9 +11,11 @@
 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));
+win_T *winframe_remove __ARGS((win_T *win, int *dirp, tabpage_T *tp));
 void close_others __ARGS((int message, int forceit));
 void curwin_init __ARGS((void));
 int win_alloc_first __ARGS((void));
+void win_alloc_aucmd_win __ARGS((void));
 void win_init_size __ARGS((void));
 void free_tabpage __ARGS((tabpage_T *tp));
 int win_new_tabpage __ARGS((int after));
@@ -30,6 +33,8 @@
 void win_enter __ARGS((win_T *wp, int undo_sync));
 win_T *buf_jump_open_win __ARGS((buf_T *buf));
 win_T *buf_jump_open_tab __ARGS((buf_T *buf));
+void win_append __ARGS((win_T *after, win_T *wp));
+void win_remove __ARGS((win_T *wp, tabpage_T *tp));
 int win_alloc_lines __ARGS((win_T *wp));
 void win_free_lsize __ARGS((win_T *wp));
 void shell_new_rows __ARGS((void));
@@ -58,6 +63,8 @@
 int min_rows __ARGS((void));
 int only_one_window __ARGS((void));
 void check_lnums __ARGS((int do_curwin));
+void make_snapshot __ARGS((int idx));
+void restore_snapshot __ARGS((int idx, int close_curwin));
 int win_hasvertsplit __ARGS((void));
 int match_add __ARGS((win_T *wp, char_u *grp, char_u *pat, int prio, int id));
 int match_delete __ARGS((win_T *wp, int id, int perr));