vm_method_cfunc_entry 1623 vm_insnhelper.c     const rb_method_cfunc_t *cfunc = vm_method_cfunc_entry(me);
vm_method_cfunc_entry 1663 vm_insnhelper.c     const rb_method_cfunc_t *cfunc = vm_method_cfunc_entry(cc->me);
vm_method_cfunc_entry 1694 vm_insnhelper.c     int len = vm_method_cfunc_entry(me)->argc;