pub type BIO_callback_fn_ex = Option<unsafe extern "C" fn(*mut bio_st, i32, *const i8, usize, i32, i64, i32, *mut usize) -> i64>;Aliased Type§
enum BIO_callback_fn_ex {
None,
Some(unsafe extern "C" fn(*mut bio_st, i32, *const i8, usize, i32, i64, i32, *mut usize) -> i64),
}