md4_final
ret = md4_final(&(ctx->md4ctx), output); EG(ret, err);
ret = md4_final(&ctx, output);
ret = md4_final(&ctx, output);
ATTRIBUTE_WARN_UNUSED_RET int md4_final(md4_context *ctx, u8 output[MD4_DIGEST_SIZE]);
LEGACY_EVP_MD_METH_TABLE(md4_init, md4_update, md4_final, NULL, MD4_CBLOCK),