# dkim_dns_trustanchor()

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SYNOPSIS |
    #include <dkim.h>
    DKIM_STAT dkim_dns_trustanchor(
    	DKIM_LIB *libopendkim,
            const char * trustanchor)
    );
Passes arbitrary trust anchor configuration information to the resolver.
DESCRIPTION |
Called When | `dkim_dns_trustanchor()` can be called at any time, but is presumably most useful prior to doing any DNS operations such as are done during `dkim_eoh()` when verifying.
ARGUMENTS |
Argument | Description
--- | ---
libopendkim | The library instantiation handle, returned by `dkim_init()`.
trustanchor | A null-terminated string containing trust anchor configuration data for the resolver. The string is passed intact to the resolver and is not used by this library.
RETURN VALUES | `DKIM_DNS_SUCCESS` -- successful operation (the underlying trust anchor configuration function returned something other than zero) `DKIM_DNS_ERROR` -- an error occurred
NOTES | None.

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Copyright (c) 2012, The Trusted Domain Project. All rights reserved.
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