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9 I/O

Aspell does not use C++ I/O classes and functions in any way since they do not provide a way to get at the underlying file number and can often be slower than the highly tuned C I/O functions found in the standard C library. However, some lightweight wrapper classes are provided so that standard C I/O can be used in a more C++ like way.

9.1 IStream/OStream

These two base classes mimic some of the functionally of the C++ functionally of the corresponding classes. They are defined in istream.hpp and ostream.hpp respectively. They are however based on standard C I/O and are not proper C++ streams.

9.2 FStream

Defined in fstream.hpp.

9.3 Standard Streams

CIN/COUT/CERR. Defined in iostream.hpp.