Type Alias EXT_CALLBACK 

pub type EXT_CALLBACK = Option<unsafe extern "system" fn(timer: PEX_TIMER, context: *const c_void)>;

Aliased Type

pub enum EXT_CALLBACK {
    None,
    Some(unsafe extern "system" fn(PEX_TIMER, *const c_void)),
}

Variants

None

No value.

Some(unsafe extern "system" fn(PEX_TIMER, *const c_void))

Some value of type T.