+
+#ifdef PERL_IMPLICIT_CONTEXT
+PERLVARI(Imy_cxt_size, int, 0) /* size of PL_my_cxt_list */
+PERLVARI(Imy_cxt_list, void **, NULL) /* per-module array of MY_CXT pointers */
+#endif
+
+#ifdef PERL_TRACK_MEMPOOL
+/* For use with the memory debugging code in util.c */
+PERLVAR(Imemory_debug_header, struct perl_memory_debug_header)
+#endif
+