Type Alias btck_NotifyWarningUnset 

pub type btck_NotifyWarningUnset = Option<unsafe extern "C" fn(user_data: *mut c_void, warning: btck_Warning)>;

Aliased Type

pub enum btck_NotifyWarningUnset {
    None,
    Some(unsafe extern "C" fn(*mut c_void, u8)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void, u8))

Some value of type T.