- <function>sd_uid_get_sessions()</function>, and
- <function>sd_uid_get_seats()</function> interfaces are
- available as shared library, which can be compiled and
- linked to with the <literal>libsystemd-login</literal>
- <citerefentry><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry>
- file.</para>
+ <function>sd_uid_get_sessions()</function>,
+ and <function>sd_uid_get_seats()</function> functions
+ were added in systemd-31.
+
+ <para><function>sd_uid_get_display()</function> was
+ added in systemd-213.</para>