C++ String Streams

String streams are similar to the <iostream> and <fstream> libraries, except that string streams allow you to perform I/O on strings instead of streams. The <sstream> library provides functionality similar to sscanf() and sprintf() in the standard C library. Three main classes are available in <sstream>:

• stringstream - allows input and output
• istringstream - allows input only
• ostringstream - allows output only

String streams are actually subclasses of iostreams, so all of the functions available for iostreams are also available for stringstream. See the C++ I/O functions for more information.

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