File Content Extraction 25.4
Filter SDK C Programming Guide

# fpFileToInputStreamCreate()

DEPRECATED: The `fpFileToInputStreamCreate()` function is deprecated in KeyView version 23.2 and later. Use fpOpenDocumentFromStream() instead.

This function creates an input stream from a file.

## Syntax

    BOOL pascal fpFileToInputStreamCreate(
        KVFilterSession  session,
        char            *pszFileName,
        KVInputStream   *pInput)

## Arguments

`session` | A Filter session that you initialized by calling fpInit().
`pszFileName` | A pointer to the name of the input file to be filtered.
`pInput` | A pointer to the developer-assigned instance of KVInputStream. The structure `KVInputStream` defines the input stream that contains the source.

## Returns

- If the call is successful, the return value is `TRUE`.
- If the call is unsuccessful, the return value is `FALSE`.

## Discussion

- After filtering is complete, call fpFileToInputStreamFree() to free the memory allocated by this function. Call fpFileToInputStreamFree() only if the call to `fpFileToInputStreamCreate()` is successful (returns `TRUE`).
- You can access this function through the KV_GetFilterInterfaceEx() function, or call it directly.

- On Windows, `pszFileName` must be in the local Windows code page.

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Version 25.4 | Last updated October 2025

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Product: File Content Extraction 25.4

Topic Title: fpFileToInputStreamCreate()