-word value to pass to <I>proc</I>.
<P></DL>
<H3><A NAME="M5">DESCRIPTION</A></H3>
<B>Tcl_CallWhenDeleted</B> arranges for <I>proc</I> to be called by
<B><A HREF="CrtInterp.html">Tcl_DeleteInterp</A></B> if/when <I>interp</I> is deleted at some future
time.  <I>Proc</I> will be invoked just before the interpreter
is deleted, but the interpreter will still be valid at the
time of the call.
<I>Proc</I> should have arguments and result that match the
type <B>Tcl_InterpDeleteProc</B>:
<P>
<PRE>typedef void <B>T