Type Alias PTP_WORK_CALLBACK

pub type PTP_WORK_CALLBACK = Option<unsafe extern "C" fn(arg1: PTP_CALLBACK_INSTANCE, arg2: PVOID, arg3: PTP_WORK)>;

Aliased Type

enum PTP_WORK_CALLBACK {
    None,
    Some(unsafe extern "C" fn(_: *mut _TP_CALLBACK_INSTANCE, _: *mut c_void, _: *mut _TP_WORK)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *mut _TP_CALLBACK_INSTANCE, _: *mut c_void, _: *mut _TP_WORK))

Some value of type T.