#define PL_basetime (*Perl_Ibasetime_ptr(aTHXo))
#undef PL_beginav
#define PL_beginav (*Perl_Ibeginav_ptr(aTHXo))
-#undef PL_beginav_save
-#define PL_beginav_save (*Perl_Ibeginav_save_ptr(aTHXo))
#undef PL_bitcount
#define PL_bitcount (*Perl_Ibitcount_ptr(aTHXo))
#undef PL_bufend