| 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 |  |