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krb5_cc_select - Select a credential cache to use with a server principal.
============================================================================
..
.. c:function:: krb5_error_code krb5_cc_select(krb5_context context, krb5_principal server, krb5_ccache * cache_out, krb5_principal * princ_out)
..
:param:
**[in]** **context** - Library context
**[in]** **server** - Server principal
**[out]** **cache_out** - Credential cache handle
**[out]** **princ_out** - Client principal
..
:return:
- If an appropriate cache is found, 0 is returned, cache_out is set to the selected cache, and princ_out is set to the default principal of that cache.
..
Select a cache within the collection containing credentials most appropriate for use with *server* , according to configured rules and heuristics.
Use :c:func:`krb5_cc_close()` to release *cache_out* when it is no longer needed. Use :c:func:`krb5_free_principal()` to release *princ_out* when it is no longer needed. Note that *princ_out* is set in some error conditions.
If the appropriate client principal can be authoritatively determined but the cache collection contains no credentials for that principal, then KRB5_CC_NOTFOUND is returned, *cache_out* is set to NULL, and *princ_out* is set to the appropriate client principal.
If no configured mechanism can determine the appropriate cache or principal, KRB5_CC_NOTFOUND is returned and *cache_out* and *princ_out* are set to NULL.
Any other error code indicates a fatal error in the processing of a cache selection mechanism.
..
.. note::
New in 1.10
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