File Content Extraction 26.2
HTML Export SDK C Programming Guide

# fpFree()

Frees the resources associated with a KVMetadataList structure.

## Syntax

    void pascal  fpFree(const struct KVMetadataList* const pMetadata);

## Arguments

`pMetadata` | A pointer to a KVMetadataList that you obtained by calling fpGetSubFileMetadataList(). This must be the same `KVMetadataList` pointer that you are calling `fpFree()` on.

## Lifetime and Memory Management

After the `KVMetadataList` pointer has been freed, it is no longer valid, and should be set to NULL. You must not call any function on a `KVMetadataList` pointer that has been freed.

After the `KVMetadataList` pointer has been freed, any `KVMetadataElements` obtained by calling fpGetNext() on that pointer are also invalid, and you must not access them.

## Discussion

You can call `fpFree()` before all metadata elements have been obtained by calling fpGetNext() or fpFindKey().

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Version 26.2 | Last updated April 2026

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Product: File Content Extraction 26.2

Topic Title: fpFree()