Registration Functions (The GNU Awk User’s Guide)

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17.4.5 Registration Functions

This section describes the API functions for registering parts of your extension with gawk.

Extension Functions    Registering extension functions.
Exit Callback Functions    Registering an exit callback.
Extension Version String    Registering a version string.
Input Parsers    Registering an input parser.
Output Wrappers    Registering an output wrapper.
Two-way processors    Registering a two-way processor.