PERLVAR(Tdirty, bool) /* In the middle of tearing things down? */
PERLVAR(Tlocalizing, int) /* are we processing a local() list? */
-PERLVAR(Tcxstack, PERL_CONTEXT *)
-PERLVARI(Tcxstack_ix, I32, -1)
-PERLVARI(Tcxstack_max, I32, 128)
-
PERLVAR(Tcurstack, AV *) /* THE STACK */
+PERLVAR(Tcurstackinfo, PERL_SI *) /* current stack + context */
PERLVAR(Tmainstack, AV *) /* the stack when nothing funny is happening */
PERLVAR(Ttop_env, JMPENV *) /* ptr. to current sigjmp() environment */
PERLVAR(Tstart_env, JMPENV) /* empty startup sigjmp() environment */