au_to_label
(void) au_write(event->ae_event_handle, au_to_label(label));
au_to_label(sp->as_label));
token = au_to_label(ucred_getlabel(uc));
au_write(ad, au_to_label(bsl));
au_uwrite(au_to_label(CR_SL(cr)));
au_to_label(CR_SL((c)))) : (void) 0); \
token_t *au_to_label(bslabel_t *);
extern token_t *au_to_label(m_label_t *);