Type Alias PTP_SIMPLE_CALLBACK
pub type PTP_SIMPLE_CALLBACK = Option<unsafe extern "system" fn(instance: PTP_CALLBACK_INSTANCE, context: *mut c_void)>;Aliased Type§
pub enum PTP_SIMPLE_CALLBACK {
None,
Some(unsafe extern "system" fn(PTP_CALLBACK_INSTANCE, *mut c_void)),
}