<para><function>sd_get_seats()</function> may be used
to determine all currently available local
- seats. Returns an array of seat identifiers. The
- returned array and all strings it references need to
- be freed with the libc
+ seats. Returns a NULL terminated array of seat
+ identifiers. The returned array and all strings it
+ references need to be freed with the libc
<citerefentry><refentrytitle>free</refentrytitle><manvolnum>3</manvolnum></citerefentry>
- call after use.</para>
+ call after use. Note that instead of an empty array
+ NULL may be returned and should be considered
+ equivalent to an empty array.</para>
<para>Similar, <function>sd_get_sessions()</function> may
be used to determine all current login sessions.</para>
<para>
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>sd-login</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>sd_session_get_seat</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>sd_session_get_seat</refentrytitle><manvolnum>3</manvolnum></citerefentry>
</para>
</refsect1>