PTP_WORK_CALLBACK

Type Alias PTP_WORK_CALLBACK 

pub type PTP_WORK_CALLBACK = Option<unsafe extern "system" fn(instance: PTP_CALLBACK_INSTANCE, context: *mut c_void, work: PTP_WORK)>;

Aliased Type§

pub enum PTP_WORK_CALLBACK {
    None,
    Some(unsafe extern "system" fn(PTP_CALLBACK_INSTANCE, *mut c_void, PTP_WORK)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(PTP_CALLBACK_INSTANCE, *mut c_void, PTP_WORK))

Some value of type T.