PERLVAR(Gcop_seqmax, U32) /* statement sequence number */
PERLVAR(Gop_seqmax, U16) /* op sequence number */
PERLVAR(Gevalseq, U32) /* eval sequence number */
-PERLVAR(Gsub_generation,U32) /* incr to invalidate method cache */
PERLVAR(Gorigenviron, char **)
PERLVAR(Gorigalen, U32)
PERLVAR(Gpidstatus, HV *) /* pid-to-status mappings for waitpid */