PTP_WIN32_IO_CALLBACK

Type Alias PTP_WIN32_IO_CALLBACK 

pub type PTP_WIN32_IO_CALLBACK = Option<unsafe extern "system" fn(instance: PTP_CALLBACK_INSTANCE, context: *mut c_void, overlapped: *mut c_void, ioresult: u32, numberofbytestransferred: usize, io: PTP_IO)>;

Aliased Type§

pub enum PTP_WIN32_IO_CALLBACK {
    None,
    Some(unsafe extern "system" fn(PTP_CALLBACK_INSTANCE, *mut c_void, *mut c_void, u32, usize, PTP_IO)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(PTP_CALLBACK_INSTANCE, *mut c_void, *mut c_void, u32, usize, PTP_IO))

Some value of type T.