flex: a fast lexical analyzer generator

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flex

This manual describes flex, a tool for generating programs that perform pattern-matching on text. The manual includes both tutorial and reference sections.

This edition of The flex Manual documents flex version 2.5.33. It was last updated on 20 February 2006.

--- The Detailed Node Listing ---

Format of the Input File

Scanner Options

Reentrant C Scanners

The Reentrant API in Detail

Memory Management

Serialized Tables

FAQ

Appendices

Indices