ossl_b2i_DSA_after_header
key = ossl_b2i_DSA_after_header(&p, bitlen, *ispub);
key = ossl_b2i_DSA_after_header(&p, bitlen, *ispub);
DSA *ossl_b2i_DSA_after_header(const unsigned char **in, unsigned int bitlen,
#define dsa_decode_private_key (b2i_of_void_fn *)ossl_b2i_DSA_after_header
#define dsa_decode_public_key (b2i_of_void_fn *)ossl_b2i_DSA_after_header