File Content Extraction 26.1
HTML Export SDK C Programming Guide

# fpGetNext()

Gets the next metadata element from a KVMetadataList. Call this function to iterate through the elements, beginning with the first. File Content Extraction does not guarantee to iterate through metadata elements in any particular order.

## Syntax

    KVErrorCode(pascal* fpGetNext)(
        const struct tag_KVMetadataList* const pMetadata,
        const KVMetadataElement** const ppMetadataElement);

## Arguments

`pMetadata` | A pointer to a KVMetadataList that you obtained by calling fpGetSubFileMetadataList(). This must be the same `KVMetadataList` pointer that you are calling `fpGetNext()` on.
`ppMetadataElement` | A pointer to a `const KVMetadataElement` pointer. On success, this will point to a KVMetadataElement containing the next metadata element in the list, or be set to NULL if the end of the list has been reached.

## Returns

The return value is an error code.

## Lifetime and Memory Management

The `KVMetadataElement` that was returned in `ppMetadataElement` does not need to be freed, but is only valid while the `KVMetadataList` has not been freed. After you free the `KVMetadataList`, all elements associated with it are invalid, and you must not access any of their members.

## Discussion

After iterating through all of the elements in the list, `ppMetadataElement` will point to a pointer whose value is NULL.

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Version 26.1 | Last updated January 2026

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Product: File Content Extraction 26.1

Topic Title: fpGetNext()