File Content Extraction 26.3
Filter SDK C Programming Guide

# fpSetReplacementChar()

This function specifies a replacement character to use when a character cannot be mapped. This function is optional.

## Syntax

    BOOL pascal fpSetReplacementChar( KVFilterSession session, char c );

## Arguments

`session` | A Filter session that you initialized by calling fpInit().
`c` | The replacement character to use when a character cannot be mapped. If you do not call this function, the default character is used. The default is a question mark ("`?`").

## Returns

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

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Version 26.3 | Last updated July 2026

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Product: File Content Extraction 26.3

Topic Title: fpSetReplacementChar()