UTRACE
UTRACE(0, 0, 0);
UTRACE(0, size, ret);
UTRACE(0, size, result);
UTRACE(0, num_size, ret);
UTRACE(ptr, size, ret);
UTRACE(ptr, 0, 0);
UTRACE(ptr, size, r);
UTRACE(0, 0, 0);