Get_Form_Screen
: StdScreen(Get_Form_Screen(form))))
WINDOW *win = form->win ? form->win : StdScreen(Get_Form_Screen(form));
WINDOW *win = form->win ? form->win : StdScreen(Get_Form_Screen(form));
f->sub = win ? win : StdScreen(Get_Form_Screen(f));
f->win = win ? win : StdScreen(Get_Form_Screen(f));
result = (f->win ? f->win : StdScreen(Get_Form_Screen(f)));