_to_tlist">listterm_to_tlist</A></TD><TD><A HREF="#proper_listterm">proper_listterm</A></TD>
</TR>
</TABLE>
<H4>Details</H4>
<A NAME="cons_term"></A><HR><PRE><B>BOOL cons_term(<A HREF="term.html">Term</A> t);
</B></PRE>This function checks if a term is a "cons", that is,
arity 2 with the official "cons" symbol.   
<A NAME="get_nil_term"></A><HR><PRE><B><A HREF="term.html">Term</A> get_nil_term();
</B></PRE>Allocate and return an empty listterm.
<A NAME="listterm_append"></A><HR><PRE><B><A HREF="term.html">T