<para><function>sd_get_seats()</function> may be used
to determine all currently available local
- seats. Returns a NULL terminated array of seat
+ seats. Returns a <constant>NULL</constant> 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. Note that instead of an empty array
- NULL may be returned and should be considered
+ <constant>NULL</constant> may be returned and should be considered
equivalent to an empty array.</para>
- <para>Similar, <function>sd_get_sessions()</function> may
+ <para>Similarly, <function>sd_get_sessions()</function> may
be used to determine all current login sessions.</para>
- <para>Similar, <function>sd_get_uids()</function> may
+ <para>Similarly, <function>sd_get_uids()</function> may
be used to determine all Unix users who currently have login sessions.</para>
- <para>Similar,
+ <para>Similarly,
<function>sd_get_machine_names()</function> may be
used to determine all current virtual machines and
containers on the system.</para>
<refsect1>
<title>Return Value</title>
- <para>On success <function>sd_get_seats()</function>,
+ <para>On success, <function>sd_get_seats()</function>,
<function>sd_get_sessions()</function>,
<function>sd_get_uids()</function> and
<function>sd_get_machine_names()</function> return the
<function>sd_get_sessions()</function>,
<function>sd_get_uids()</function> and
<function>sd_get_machine_names()</function> interfaces
- are available as shared library, which can be compiled
+ are available as a shared library, which can be compiled
and linked to with the
- <literal>libsystemd-login</literal>
- <citerefentry><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ <constant>libsystemd</constant> <citerefentry><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry>
file.</para>
</refsect1>