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krb5_unparse_name_ext - Convert krb5_principal structure to string and length.
================================================================================
..
.. c:function:: krb5_error_code krb5_unparse_name_ext(krb5_context context, krb5_const_principal principal, char ** name, unsigned int * size)
..
:param:
**[in]** **context** - Library context
**[in]** **principal** - Principal
**[inout]** **name** - String representation of principal name
**[inout]** **size** - Size of unparsed name
..
:retval:
- 0 Success
:return:
- Kerberos error codes. On failure name is set to NULL
..
This function is similar to :c:func:`krb5_unparse_name()` , but allows the use of an existing buffer for the result. If size is not NULL, then *name* must point to either NULL or an existing buffer of at least the size pointed to by *size* . The buffer will be allocated or resized if necessary, with the new pointer stored into *name* . Whether or not the buffer is resized, the necessary space for the result, including null terminator, will be stored into *size* .
If size is NULL, this function behaves exactly as :c:func:`krb5_unparse_name()` .
..
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