string display_name() string display_name_type()
display_name returns a representation of the name for display purposes, and display_name_type returns an OID on dotted-decimal form for the type of that name.
If no type was given to create then display_name_type might return zero.
This wraps GSS_Display_name according to RFC 2743 section 2.4.4.
The GSSAPI.NT_* constants.