nn_getbit
ATTRIBUTE_WARN_UNUSED_RET int nn_getbit(nn_src_t in, bitcnt_t bit, u8 *bitval);
ret = nn_getbit(&r, mlen, &rbit); EG(ret, err);
ret = nn_getbit(&r, mlen, &rbit_next); EG(ret, err);
ret = nn_getbit(&m_msb_fixed, mlen, &mbit); EG(ret, err);
ret = nn_getbit(&m_msb_fixed, mlen, &mbit); EG(ret, err2);
ret = nn_getbit(&r, mlen, &rbit); EG(ret, err);
ret = nn_getbit(&r, mlen, &rbit_next); EG(ret, err);
ret = nn_getbit(&m_msb_fixed, mlen, &mbit); EG(ret, err);
ret = nn_getbit(scalar, explen, &expbit); EG(ret, err);
ret = nn_getbit(&r, k, &bit); EG(ret, err);
ret = nn_getbit(exp, explen, &expbit); EG(ret, err);
ret = nn_getbit(&mask, explen, &rbit_next); EG(ret, err);
ret = nn_getbit(exp, explen, &expbit); EG(ret, err);
ret = nn_getbit(&mask, (bitcnt_t)(explen - 1), &rbit); EG(ret, err);
ret = nn_getbit(&(tmp_x.fp_val), 0, &lsb); EG(ret, err1);
ret = nn_getbit(&(in->x.fp_val), 0, &lsb); EG(ret, err);
ret = nn_getbit(&(sqrt1.fp_val), 0, &lsb); EG(ret, err);