undiag_2defect_str
static const char *undiag_2defect_str(int ud);
undiag_2defect_str(Undiag_reason), 100, NULL, NULL, NULL);
undiag_2defect_str(Undiag_reason), 50, NULL, NULL, detector);
undiag_2defect_str(Undiag_reason), 50 / f->uniqobs,
undiag_2defect_str(Undiag_reason), 100, NULL, NULL, NULL);