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The Standard C++ iostream library automatically opens the following streams:
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Stream |
Meaning |
|---|---|
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cin |
Standard input |
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cout |
Standard output |
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cerr |
Standard error output |
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clog |
Buffered version of cerr |
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wcin |
Wide-character version of cin |
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wcout |
Wide-character version of cout |
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wcerr |
Wide-character version of cerr |
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wclog |
Wide-character version of clog |
By default, the standard streams are used to communicate with the console. However, in environments that support I/O redirection (such as DOS, UNIX, and Windows), the standard streams can be redirected to other devices or files.
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