Constant openssl_sys::SSL_READ_EARLY_DATA_FINISH
pub const SSL_READ_EARLY_DATA_FINISH: c_int = 2;
The portability is definied by:
#[cfg(any(ossl111, libressl340))]
pub const SSL_READ_EARLY_DATA_FINISH: c_int = 2;
#[cfg(any(ossl111, libressl340))]