fn_for_each
error = fn_for_each(label, profile,
error = fn_for_each(label, profile,
fn_for_each((L), __p2, \
fn_for_each((L1), __p1, FN(__p1, (L2), args)); \
xcheck(fn_for_each((L1), (P), (FN1)), fn_for_each((L2), (P), (FN2)))
error = fn_for_each(label, profile,
error = fn_for_each(label, profile,
error = fn_for_each(label, profile,
error = fn_for_each(label, profile,
error = fn_for_each(label, profile,