OPENSSL_VERSION_NUMBER [SSLeay_version] (3ssl)  - get OpenSSL version number
SSLeay [SSLeay_version] (3ssl)  - get OpenSSL version number
SSLeay_version       (3ssl)  - get OpenSSL version number
SSLeay_version [OPENSSL_VERSION_NUMBER] (3ssl)  - get OpenSSL version number
SSLeay_version [SSLeay] (3ssl)  - get OpenSSL version number