pub unsafe extern "C" fn ssl_conf_session_cache( conf: *mut ssl_config, p_cache: *mut c_void, f_get_cache: Option<unsafe extern "C" fn(arg1: *mut c_void, arg2: *mut ssl_session) -> c_int>, f_set_cache: Option<unsafe extern "C" fn(arg1: *mut c_void, arg2: *const ssl_session) -> c_int>)