pub type btck_NotifyHeaderTip = Option<unsafe extern "C" fn(user_data: *mut c_void, state: btck_SynchronizationState, height: i64, timestamp: i64, presync: c_int)>;Aliased Type§
pub enum btck_NotifyHeaderTip {
None,
Some(unsafe extern "C" fn(*mut c_void, u8, i64, i64, i32)),
}