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C++ fstream Library (File Streams)


C++ fstream classes

The <fstream> library provides classes for reading and writing into files or data streams.

A list of useful fstream classes can be found in the table below.

Class Description
filebuf A lower level file handling class used internally by the fstream, ifstream and ofstream classes
fstream A class that can read and write to files
ifstream A class that can read from files
ofstream A class that can write to files

Learn more about files in our C++ Files Tutorial.