PEM_read_bio_PUBKEY_ex
return PEM_read_bio_PUBKEY_ex(bp, x, cb, u, NULL, NULL);
ret = PEM_read_bio_PUBKEY_ex(b, x, cb, u, libctx, propq);
pkey = PEM_read_bio_PUBKEY_ex(bio, NULL, NULL, NULL, testctx, testpropq);
pkey = PEM_read_bio_PUBKEY_ex(t->s.key, NULL, 0, NULL, libctx, NULL);
if (!TEST_ptr(PEM_read_bio_PUBKEY_ex(pub_bio, &pub, NULL, NULL, lib_ctx, NULL))
if (!TEST_ptr(PEM_read_bio_PUBKEY_ex(pub_bio, &pub, NULL, NULL, lib_ctx, NULL))