vm_get_cref       781 vm.c               return vm_get_cref(cfp->iseq, cfp->lfp, cfp->dfp);
vm_get_cref      1033 vm_insnhelper.c 	cref->nd_next = vm_get_cref(cfp->iseq, cfp->lfp, cfp->dfp);
vm_get_cref      1042 vm_insnhelper.c     NODE *cref = vm_get_cref(iseq, lfp, dfp);
vm_get_cref      1076 vm_insnhelper.c 	const NODE *root_cref = vm_get_cref(iseq, th->cfp->lfp, th->cfp->dfp);