miller_rabin
ATTRIBUTE_WARN_UNUSED_RET int miller_rabin(nn_src_t n, const unsigned int t, int *check);
ret = miller_rabin(&p, 100, &check); EG(ret, err);
ATTRIBUTE_WARN_UNUSED_RET int miller_rabin(nn_src_t n, const unsigned int t, int *res);
ret = miller_rabin(in, 10, &check); EG(ret, err);
ret = miller_rabin(&q, 10, &check); EG(ret, err);
ATTRIBUTE_WARN_UNUSED_RET int miller_rabin(nn_src_t n, const unsigned int t, int *check);