Function: window-prev-sibling

window-prev-sibling is a function defined in window.c.

Signature

(window-prev-sibling &optional WINDOW)

Documentation

Return the previous sibling window of window WINDOW.

WINDOW must be a valid window and defaults to the selected one. Return nil if WINDOW has no previous sibling.

Source Code

// Defined in /usr/src/emacs/src/window.c
{
  return decode_valid_window (window)->prev;
}