clear and pour the buffer. The class iostream is derived from the classes istream and os-
tream by using multiple inheritance. The ios class is a virtual class and it is present to avoid
ambiguity that frequently appears in multiple inheritance. Chapter 11 describes multiple inherit-
ance and virtual classes.
The ios class has an ability to handle formatted and unformatted I/O operations. The is-
tream class gives support for both formatted and unformatted data. The ostream classes handle
the formatting of output data. The iostream contains functions of both istream and ostream
classes. The classes istream ...
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