Standard I/O Library

The Standard IO Library

The Standard-IO module of the Standard-IO library exports the following:

*standard-input* [Constant]

*standard-output* [Constant]

*standard-error* [Constant]

These <stream>s represent the standard input stream, the standard output stream, and the standard error stream, respectively. Usually standard input gets its input from the terminal, and standard output and error write their output to the terminal. However, most operating systems allow these to be "redirected" on the command line.

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