Function openssl_sys::BIO_s_file
pub unsafe extern "C" fn BIO_s_file() -> *const BIO_METHODThe portability is definied by:
#[cfg(any(ossl110, libressl280))]pub unsafe extern "C" fn BIO_s_file() -> *const BIO_METHOD#[cfg(any(ossl110, libressl280))]