PERLVAR(Gmulti_open, I32) /* delimiter of said string */
PERLVAR(Gmulti_close, I32) /* delimiter of said string */
-PERLVAR(Gscrgv, GV *)
PERLVAR(Gerror_count, I32) /* how many errors so far, max 10 */
PERLVAR(Gsubline, I32) /* line this subroutine began on */
PERLVAR(Gsubname, SV *) /* name of current subroutine */
PERLVARIC(Ghexdigit, char *, "0123456789abcdef0123456789ABCDEFx")
PERLVARIC(Gpatleave, char *, "\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}")
+PERLVAR(Gspecialsv_list[4], SV *) /* from byterun.h */
+