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17.1 Introduction

A number of classes and functions are provided in the stream package that allow you to define your own input and output streams. The user defined streams can use the standard I/O functions, and methods specializing on the relevant user defined stream class can also be defined to provide specific implementations of other I/O functions. Note that some changes have been made to the standard I/O functions to allow for this. For example, stream-element-type is now a generic function. See the common-lisp package reference entries in the LispWorks Reference Manual for alterations to standard functions, and the stream package entries for more details on user defined streams.


LispWorks User Guide - 18 Feb 2003

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