patch 7.4.2204
Problem:    It is not easy to get information about buffers, windows and
            tabpages.
Solution:   Add getbufinfo(), getwininfo() and gettabinfo(). (Yegappan
            Lakshmanan)
diff --git a/src/proto/dict.pro b/src/proto/dict.pro
index 10a5b6b..61f4dfa 100644
--- a/src/proto/dict.pro
+++ b/src/proto/dict.pro
@@ -11,6 +11,7 @@
 int dict_add(dict_T *d, dictitem_T *item);
 int dict_add_nr_str(dict_T *d, char *key, varnumber_T nr, char_u *str);
 int dict_add_list(dict_T *d, char *key, list_T *list);
+int dict_add_dict(dict_T *d, char *key, dict_T *dict);
 long dict_len(dict_T *d);
 dictitem_T *dict_find(dict_T *d, char_u *key, int len);
 char_u *get_dict_string(dict_T *d, char_u *key, int save);
diff --git a/src/proto/option.pro b/src/proto/option.pro
index 3da0e94..8c9bde5 100644
--- a/src/proto/option.pro
+++ b/src/proto/option.pro
@@ -64,4 +64,5 @@
 void find_mps_values(int *initc, int *findc, int *backwards, int switchit);
 unsigned int get_bkc_value(buf_T *buf);
 int signcolumn_on(win_T *wp);
+dict_T *get_winbuf_options(int bufopt);
 /* vim: set ft=c : */
diff --git a/src/proto/window.pro b/src/proto/window.pro
index e091e34..ebd71ed 100644
--- a/src/proto/window.pro
+++ b/src/proto/window.pro
@@ -86,6 +86,7 @@
 int win_getid(typval_T *argvars);
 int win_gotoid(typval_T *argvars);
 void win_id2tabwin(typval_T *argvars, list_T *list);
+win_T *win_id2wp(typval_T *argvars);
 int win_id2win(typval_T *argvars);
 void win_findbuf(typval_T *argvars, list_T *list);
 /* vim: set ft=c : */