<funcprototype>
<funcdef>int <function>sd_session_get_vt</function></funcdef>
<paramdef>const char* <parameter>session</parameter></paramdef>
<funcprototype>
<funcdef>int <function>sd_session_get_vt</function></funcdef>
<paramdef>const char* <parameter>session</parameter></paramdef>
<function>sd_session_is_active()</function> returns a
positive integer, if it fails 0. On success
<function>sd_session_get_state()</function>,
<function>sd_session_is_active()</function> returns a
positive integer, if it fails 0. On success
<function>sd_session_get_state()</function>,