krb5_cc_get_config -  Get a configuration value from a credential cache. 
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.. c:function:: krb5_error_code krb5_cc_get_config(krb5_context context, krb5_ccache id, krb5_const_principal principal, const char * key, krb5_data * data)

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:param:

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

	          **[in]** **id** - Credential cache handle

	          **[in]** **principal** - Configuration for this principal; if NULL, global for the whole cache

	          **[in]** **key** - Name of config variable

	          **[out]** **data** - Data to be fetched


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:retval:
         -   0   Success


:return:
         -  Kerberos error codes 

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Use :c:func:`krb5_free_data_contents()` to free *data* when it is no longer needed.










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