font-setting-change-default-font

font-setting-change-default-font is a compiled Lisp function in `dynamic-setting.el'.

(font-setting-change-default-font DISPLAY-OR-FRAME SET-FONT)

Change font and/or font settings for frames on display DISPLAY-OR-FRAME.
If DISPLAY-OR-FRAME is a frame, the display is the one for that frame.

If SET-FONT is non-nil, change the font for frames. Otherwise re-apply the
current form for the frame (i.e. hinting or somesuch changed).