# dkim_flush_cache()

SYNOPSIS |
    #include <dkim.h>

    int dkim_flush_cache(DKIM_LIB *lib);
Flush cached entries when caching is enabled in the library.
DESCRIPTION |
Called When | `dkim_flush_cache()` can be called at any time.
ARGUMENTS |
Argument | Description
--- | ---
lib | The DKIM library instance whose cache should be flushed, previously created by a call to `dkim_init()`.
RETURN VALUES |
Value | Description
--- | ---
-1 | Caching is not active for this library instance.
>= 0 | Number of records flushed.
NOTES | Caching is selected by setting the `DKIM_LIBFLAG_CACHE` flag using the `dkim_options()` function. Caching requires a special compile-time option since it also adds a library dependency to applications.

Copyright (c) 2007 Sendmail, Inc. and its suppliers. All rights reserved.
By using this file, you agree to the terms and conditions set forth in the LICENSE.