DSA_get0_pqg
void DSA_get0_pqg(const DSA *d, const BIGNUM **p, const BIGNUM **q,
DSA_get0_pqg(key->dsa, &dsa_p, &dsa_q, &dsa_g);
DSA_get0_pqg(from->dsa, &dsa_p, &dsa_q, &dsa_g);
DSA_get0_pqg(key->dsa, &dsa_p, NULL, NULL);
DSA_get0_pqg(a->dsa, &dsa_p_a, &dsa_q_a, &dsa_g_a);
DSA_get0_pqg(b->dsa, &dsa_p_b, &dsa_q_b, &dsa_g_b);
void DSA_get0_pqg(const DSA *d, const BIGNUM **p, const BIGNUM **q,