Made BacktraceFrame available from here.

Rev: lib/modules/Pike.pmod:1.2

lib/modules/Pike.pmod

 // Pike core things that don't belong anywhere else.
 //
-// $Id: Pike.pmod,v 1.1 2001/06/05 00:03:56 mast Exp $
+// $Id: Pike.pmod,v 1.2 2001/08/14 22:05:44 nilsson Exp $
 
 constant WEAK_INDICES = __builtin.PIKE_WEAK_INDICES;
 constant WEAK_VALUES = __builtin.PIKE_WEAK_VALUES;
 constant WEAK = WEAK_INDICES|WEAK_VALUES;
 //! Flags for use together with @[set_weak_flag] and @[get_weak_flag].
 //! See @[set_weak_flag] for details.
+
+constant BacktraceFrame = __builtin.backtrace_frame;