window-resize-apply-total

window-resize-apply-total is a built-in function in `C source code'.

(window-resize-apply-total &optional FRAME HORIZONTAL)

Apply requested total size values for window-tree of FRAME.
If FRAME is omitted or nil, it defaults to the selected frame.

This function does not assign pixel or normal size values. You should
have run `window-resize-apply' before running this.

Optional argument HORIZONTAL omitted or nil means apply requested
height values. HORIZONTAL non-nil means apply requested width
values.