Constant openssl_sys::SSL_CTRL_GET_MIN_PROTO_VERSION
pub const SSL_CTRL_GET_MIN_PROTO_VERSION: c_int = 130;
The portability is definied by:
#[cfg(any(ossl110g, libressl270))]
pub const SSL_CTRL_GET_MIN_PROTO_VERSION: c_int = 130;
#[cfg(any(ossl110g, libressl270))]