S_DUPACKTHRESH
#define V_DUPACKTHRESH(x) ((x) << S_DUPACKTHRESH)
#define G_DUPACKTHRESH(x) (((x) >> S_DUPACKTHRESH) & M_DUPACKTHRESH)
#define V_DUPACKTHRESH(x) ((x) << S_DUPACKTHRESH)
#define G_DUPACKTHRESH(x) (((x) >> S_DUPACKTHRESH) & M_DUPACKTHRESH)