krb5_appdefault_string -  Retrieve a string value from the appdefaults section of krb5.conf. 
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.. c:function:: void krb5_appdefault_string(krb5_context context, const char * appname, const krb5_data * realm, const char * option, const char * default_value, char ** ret_value)

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:param:

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

	          **[in]** **appname** - Application name

	          **[in]** **realm** - Realm name

	          **[in]** **option** - Option to be checked

	          **[in]** **default_value** - Default value to return if no match is found

	          **[out]** **ret_value** - String value of *option*


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This function gets the application defaults for *option* based on the given *appname* and/or *realm* .










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.. seealso::
         :c:func:`krb5_appdefault_boolean()`