PERLVAR(Iscreamnext, I32 *)
PERLVARI(Imaxscream, I32, -1)
PERLVAR(Ilastscream, SV *)
+PERLVAR(Ireplgv, GV *)
/* shortcuts to misc objects */
PERLVAR(Ierrgv, GV *)
/* internal state */
PERLVAR(Itainting, bool) /* doing taint checks */
PERLVARI(Iop_mask, char *, NULL) /* masked operations for safe evals */
+PERLVAR(Ilast_proto, char *) /* Prototype of last sub seen. */
/* trace state */
PERLVAR(Idlevel, I32)