pub type ViHndlr = Option<unsafe extern "system" fn(vi: ViSession, eventType: ViEventType, event: ViEvent, userHandle: ViAddr) -> ViStatus>;
Aliased Type§
enum ViHndlr {
None,
Some(unsafe extern "system" fn(_: u64, _: u64, _: u64, _: *mut c_void) -> i64),
}