PERLVAR(Tregcomp_rx, regexp *) /* from regcomp.c */
PERLVAR(Textralen, I32) /* from regcomp.c */
PERLVAR(Tcolorset, int) /* from regcomp.c */
-PERLVAR(Tcolors[4], char *) /* from regcomp.c */
+PERLVAR(Tcolors[6], char *) /* from regcomp.c */
PERLVAR(Treginput, char *) /* String-input pointer. */
PERLVAR(Tregbol, char *) /* Beginning of input, for ^ check. */
PERLVAR(Tregeol, char *) /* End of input, for $ check. */