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The Standard C++ I/O system relies upon several headers. They are shown here:
|
Header |
For |
|---|---|
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<fstream> |
File I/O |
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<iomanip> |
Parameterized I/O manipulators |
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<ios> |
Basic I/O support |
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<iosfwd> |
Forward declarations used by the I/O system |
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<iostream> |
General I/O |
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<istream> |
Basic input support |
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<ostream> |
Basic output support |
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<sstream> |
String-based streams |
|
<streambuf> |
Low-level I/O support |
Several of these headers are used internally by the I/O system. In general, your program will only include <iostream>, <fstream>, <sstream>, or <iomanip>.
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