62                   HIOAsyncStruct* asyncStruct,
68                        HIOAsyncStruct* asyncStruct);
71                         HIOAsyncStruct* asyncStruct);
100     HIOAsyncStruct asyncStruct; // asyncStruct will be copied in HIOOpenEx.  in HIOOpen()  local
101     asyncStruct.queue = OSGetDefaultAppIOQueue();  in HIOOpen()
102     asyncStruct.userData = context;  in HIOOpen()
103     asyncStruct.callback = (HIOCallback) connection;  in HIOOpen()
104     return HIOOpenEx(hioName, &asyncStruct, options, flags);  in HIOOpen()
110     HIOAsyncStruct asyncStruct; // asyncStruct will be copied in HIOReadAsyncEx.  in HIOReadAsync()  local
111     asyncStruct.queue = OSGetDefaultAppIOQueue();  in HIOReadAsync()
112     asyncStruct.userData = context;  in HIOReadAsync()
113     asyncStruct.callback = (HIOCallback) asyncParam;  in HIOReadAsync()
115     return HIOReadAsyncEx(handle, sizeInBytes, pData, &asyncStruct);  in HIOReadAsync()
121     HIOAsyncStruct asyncStruct; // asyncStruct will be copied in HIOWriteAsyncEx.  in HIOWriteAsync()  local
122     asyncStruct.queue = OSGetDefaultAppIOQueue();  in HIOWriteAsync()
123     asyncStruct.userData = context;  in HIOWriteAsync()
124     asyncStruct.callback = (HIOCallback) asyncParam;  in HIOWriteAsync()
126     return HIOWriteAsyncEx(handle, sizeInBytes, pData, &asyncStruct);  in HIOWriteAsync()