What file mode is used to open an existing file, and empty the file once opened so that the file is zero bytes in size?

One method of changing the size of a window is to drag the window borders.

Answer the following statement true (T) or false (F)

To know whether the I/O operation succeeded, you use the function ________.

A. stream.clear() B. stream.bad() C. stream.fail() D. stream.good() E. stream.eof()