diff --git a/src/proto/window.pro b/src/proto/window.pro
index fd3d62f..a1808bc 100644
--- a/src/proto/window.pro
+++ b/src/proto/window.pro
@@ -7,11 +7,15 @@
 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 last_window __ARGS((void));
 void win_close __ARGS((win_T *win, int free_buf));
 void win_free_all __ARGS((void));
 void close_others __ARGS((int message, int forceit));
 void win_init __ARGS((win_T *wp));
-void win_alloc_first __ARGS((void));
+int win_alloc_first __ARGS((void));
+void win_init_size __ARGS((void));
+int win_new_tabpage __ARGS((void));
+void goto_tabpage __ARGS((int n));
 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));
@@ -32,6 +36,7 @@
 void win_comp_scroll __ARGS((win_T *wp));
 void command_height __ARGS((long old_p_ch));
 void last_status __ARGS((int morewin));
+int tabpageline_height __ARGS((void));
 char_u *grab_file_name __ARGS((long count));
 char_u *file_name_at_cursor __ARGS((int options, long count));
 char_u *file_name_in_line __ARGS((char_u *line, int col, int options, long count, char_u *rel_fname));