+#ifdef INDIRECT_BGET_MACROS
+VIRTUAL void byterun _((struct bytestream bs));
+#else
+VIRTUAL void byterun _((PerlIO *fp));
+#endif /* INDIRECT_BGET_MACROS */
+
+VIRTUAL void sv_catpvf_mg _((SV *sv, const char* pat, ...));
+VIRTUAL void sv_catpv_mg _((SV *sv, char *ptr));
+VIRTUAL void sv_catpvn_mg _((SV *sv, char *ptr, STRLEN len));
+VIRTUAL void sv_catsv_mg _((SV *dstr, SV *sstr));
+VIRTUAL void sv_setpvf_mg _((SV *sv, const char* pat, ...));
+VIRTUAL void sv_setiv_mg _((SV *sv, IV i));
+VIRTUAL void sv_setpviv_mg _((SV *sv, IV iv));
+VIRTUAL void sv_setuv_mg _((SV *sv, UV u));
+VIRTUAL void sv_setnv_mg _((SV *sv, double num));
+VIRTUAL void sv_setpv_mg _((SV *sv, const char *ptr));
+VIRTUAL void sv_setpvn_mg _((SV *sv, const char *ptr, STRLEN len));
+VIRTUAL void sv_setsv_mg _((SV *dstr, SV *sstr));
+VIRTUAL void sv_usepvn_mg _((SV *sv, char *ptr, STRLEN len));
+
+VIRTUAL MGVTBL* get_vtbl _((int vtbl_id));
+
+/* New virtual functions must be added here to maintain binary
+ * compatablity with PERL_OBJECT
+ */
+
+VIRTUAL char* pv_display _((SV *sv, char *pv, STRLEN cur, STRLEN len, STRLEN pvlim));
+VIRTUAL void dump_indent _((I32 level, PerlIO *file, const char* pat, ...));
+
+VIRTUAL void do_gv_dump _((I32 level, PerlIO *file, char *name, GV *sv));
+VIRTUAL void do_gvgv_dump _((I32 level, PerlIO *file, char *name, GV *sv));
+VIRTUAL void do_hv_dump _((I32 level, PerlIO *file, char *name, HV *sv));
+VIRTUAL void do_magic_dump _((I32 level, PerlIO *file, MAGIC *mg, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim));
+VIRTUAL void do_op_dump _((I32 level, PerlIO *file, OP *o));
+VIRTUAL void do_pmop_dump _((I32 level, PerlIO *file, PMOP *pm));
+VIRTUAL void do_sv_dump _((I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim));
+VIRTUAL void magic_dump _((MAGIC *mg));
+VIRTUAL void reginitcolors _((void));
+VIRTUAL char* sv_2pv_nolen _((SV* sv));
+VIRTUAL char* sv_pv _((SV *sv));