Function: frame-root-window-p
frame-root-window-p is a byte-compiled function defined in
window.el.gz.
Signature
(frame-root-window-p WINDOW)
Documentation
Return t if WINDOW is the root window of its frame.
Source Code
;; Defined in /usr/src/emacs/lisp/window.el.gz
(defun frame-root-window-p (window)
"Return t if WINDOW is the root window of its frame."
(eq window (frame-root-window window)))