File Content Extraction 25.4
Filter SDK C Programming Guide

# xxxFreeContext()

This function terminates an instance of the custom reader.

## Syntax

    int pascal _export xxxFreeContext(void *pCFContext)

## Arguments

`pCFContext` | A pointer to the global context structure for the custom reader.

## Returns

- Upon success, `KVERR_Success`.
- Upon error, a non-zero error code.

## Discussion

All memory that still remains allocated within the custom reader must be freed within this function.

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Version 25.4 | Last updated October 2025

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Product: File Content Extraction 25.4

Topic Title: xxxFreeContext()