Type Alias NotificationHookProc

pub type NotificationHookProc = Option<unsafe extern "system" fn(token: *mut usize) -> Status>;

Aliased Type

enum NotificationHookProc {
    None,
    Some(unsafe extern "system" fn(_: *mut usize) -> i32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: *mut usize) -> i32)

Some value of type T.