1 files changed, 9 insertions, 0 deletions

diff --git a/src/window.h b/src/window.h
index 115b361194c..2a12226c0aa 100644
--- a/src/window.h
+++ b/src/window.h
@@ -970,17 +970,26 @@ struct glyph *get_phys_cursor_glyph (struct window *w);
        || !NILP (XWINDOW (WINDOW)->vchild)              \
        || !NILP (XWINDOW (WINDOW)->hchild)))
 
+/* A window of any sort, leaf or interior, is "valid" if one
+   of its buffer, vchild, or hchild members is non-nil.  */
+#define CHECK_VALID_WINDOW(WINDOW)                              \
+  CHECK_TYPE (WINDOW_VALID_P (WINDOW), Qwindow_valid_p, WINDOW)
 
 /* Value is non-zero if WINDOW is a live window.  */
 #define WINDOW_LIVE_P(WINDOW)                                   \
   (WINDOWP (WINDOW) && !NILP (XWINDOW (WINDOW)->buffer))
 
+/* A window is "live" if and only if it shows a buffer.  */
+#define CHECK_LIVE_WINDOW(WINDOW)                               \
+  CHECK_TYPE (WINDOW_LIVE_P (WINDOW), Qwindow_live_p, WINDOW)
+
 /* These used to be in lisp.h.  */
 
 extern Lisp_Object Qwindowp, Qwindow_live_p;
 extern Lisp_Object Vwindow_list;
 
 extern struct window *decode_live_window (Lisp_Object);
+extern struct window *decode_any_window (Lisp_Object);
 extern bool compare_window_configurations (Lisp_Object, Lisp_Object, bool);
 extern void mark_window_cursors_off (struct window *);
 extern int window_internal_height (struct window *);