ll be
well-formed, but it might not be what you expect.
<A NAME="listterm_cons"></A><HR><PRE><B><A HREF="term.html">Term</A> listterm_cons(<A HREF="term.html">Term</A> t1, <A HREF="term.html">Term</A> t2);
</B></PRE>This routine returns the "cons" of two terms.
The two terms are not copied.
<A NAME="listterm_i"></A><HR><PRE><B><A HREF="term.html">Term</A> listterm_i(<A HREF="term.html">Term</A> lst, int i);
</B></PRE>Return the i-th member, counting from 1, of a listterm.
If there are less than i members, r