#if defined(USE_5005THREADS)
PERL_CALLCONV struct perl_thread* Perl_new_struct_thread(pTHX_ struct perl_thread *t);
#endif
+#if defined(USE_REENTRANT_API)
+PERL_CALLCONV void Perl_reentrant_init(pTHX);
+#endif
PERL_CALLCONV void Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr);
PERL_CALLCONV I32 Perl_call_argv(pTHX_ const char* sub_name, I32 flags, char** argv);
PERL_CALLCONV I32 Perl_call_method(pTHX_ const char* methname, I32 flags);