File Content Extraction 25.4
Filter SDK C Programming Guide

# fpShutdown()

This function terminates a filtering session that was initialized by fpInit(), and frees allocated system resources. It is called when the filtering context is no longer required.

## Syntax

    void pascal fpShutdown( KVFilterSession session );

## Arguments

`session` | A Filter session that you initialized by calling fpInit().

## Returns

None.

## Lifetime and Memory Management

After you call `fpShutdown()`, an attempt to access anything created from the session, such as `KVDocument` objects, KVMetadataList or KVFilterOutput, results in undefined behavior. Calling `fpShutdown()` does not free up the resources used by those objects. You must use the appropriate method to free those resources before you call `fpShutdown()`, for example fpCloseDocument(), KVMetadataList fpFree() and fpFreeFilterOutput().

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Version 25.4 | Last updated October 2025

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Product: File Content Extraction 25.4

Topic Title: fpShutdown()