face_for_font    1041 src/fontset.c  	  face_id = face_for_font (f, font_object, face);
face_for_font    1051 src/fontset.c  	  face_id = face_for_font (f, Qnil, face);
face_for_font      46 src/fontset.h  extern int face_for_font (struct frame *, Lisp_Object, struct face *);
face_for_font    8349 src/xdisp.c    	  it->face_id = face_for_font (it->f, LGSTRING_FONT (gstring), face);