krb5_merge_authdata -  Merge two authorization data lists into a new list. 
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.. c:function:: krb5_error_code krb5_merge_authdata(krb5_context context, krb5_authdata *const * inauthdat1, krb5_authdata *const * inauthdat2, krb5_authdata *** outauthdat)

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:param:

	          **[in]** **context** - Library context

	          **[in]** **inauthdat1** - First list of *krb5_authdata* structures

	          **[in]** **inauthdat2** - Second list of *krb5_authdata* structures

	          **[out]** **outauthdat** - Merged list of *krb5_authdata* structures


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:retval:
         -   0   Success; otherwise - Kerberos error codes


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Merge two authdata arrays, such as the array from a ticket and authenticator. Use :c:func:`krb5_free_authdata()` to free *outauthdat* when it is no longer needed.










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.. note::

	 The last array entry in *inauthdat1* and *inauthdat2* must be a NULL pointer.