BN_num_bits_word
int BN_num_bits_word(BN_ULONG);
i = BN_num_bits_word(d);
LCRYPTO_ALIAS(BN_num_bits_word);
j = BN_BITS2 - BN_num_bits_word(w);
LCRYPTO_USED(BN_num_bits_word);
if ((num_bits = BN_num_bits_word(0)) != 0) {
if ((num_bits = BN_num_bits_word(w << i)) != i + 1) {