rc_is_bit_0
if (rc_is_bit_0(rc, p)) {
if (rc_is_bit_0(rc, prob)) {
if (rc_is_bit_0(rc, prob)) {
if (rc_is_bit_0(rc, prob)) {
if (rc_is_bit_0(rc, prob)) {
if (rc_is_bit_0(rc, prob)) {
if (rc_is_bit_0(rc, prob_len)) {
if (rc_is_bit_0(rc, prob_len)) {
if (rc_is_bit_0(&rc, prob)) {