PERLVAR(Tregstartp, I32 *) /* Pointer to startp array. */
PERLVAR(Tregendp, I32 *) /* Ditto for endp. */
PERLVAR(Treglastparen, U32 *) /* Similarly for lastparen. */
+PERLVAR(Treglastcloseparen, U32 *) /* Similarly for lastcloseparen. */
PERLVAR(Tregtill, char *) /* How far we are required to go. */
PERLVAR(Tregcompat1, char) /* used to be regprev1 */
PERLVAR(Treg_start_tmp, char **) /* from regexec.c */