Type Alias OSSL_FUNC_mac_update_fn

pub type OSSL_FUNC_mac_update_fn = Option<unsafe extern "C" fn(_: *mut c_void, _: *const u8, _: usize) -> i32>;

Aliased Type

enum OSSL_FUNC_mac_update_fn {
    None,
    Some(unsafe extern "C" fn(_: *mut c_void, _: *const u8, _: usize) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *mut c_void, _: *const u8, _: usize) -> i32)

Some value of type T.