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