I cannot find the function CancelIo and GetOverlappedResult
The function CancelIO is described as The CancelIO function cancels all pending input and output (I/O) operations that were issued by the calling thread for the specified file handle. The function does not cancel I/O operations issued for the file handle by other threads.
The function GetOverlappedResult is described as Retrieves the results of an overlapped operation on the specified file, named pipe, or communications device. To specify a timeout interval or wait on an alertable thread.
They are not defined in the windows.h. where header file can I find them? or are there equlivlent function can replace them?