#define DEMOTE_ADVSKEW(sc) \
(((sc)->sc_advskew + V_carp_demotion > CARP_MAXSKEW) ? \
CARP_MAXSKEW : ((sc)->sc_advskew + V_carp_demotion))
CARP_MAXSKEW : \
(((sc)->sc_advskew + V_carp_demotion < 0) ? \
0 : ((sc)->sc_advskew + V_carp_demotion)))
static void carp_input_c(struct mbuf *, struct carp_header *, sa_family_t);
static struct carp_softc
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