Returns: The format control information for both input and output.
fmtflags flags(fmtflags fmtfl);
Postconditions: fmtfl == flags().
Returns: The previous value of flags().
fmtflags setf(fmtflags fmtfl);
Effects: Sets fmtfl in flags().
Returns: The previous value of flags().
fmtflags setf(fmtflags fmtfl, fmtflags mask);
Effects: Clears mask in flags(), sets fmtfl & mask in flags().
Returns: The previous value of flags().
Effects: Clears mask in flags().
Returns: The precision to generate on certain output conversions.
streamsize precision(streamsize prec);
Postconditions: prec == precision().
Returns: The previous value of precision().
Returns: The minimum field width (number of characters) to generate on certain output conversions.
streamsize width(streamsize wide);
Postconditions: wide == width().
Returns: The previous value of width().