NCF_DEFEREDZAP
ncp->nc_flag &= ~(NCF_UNRESOLVED | NCF_DEFEREDZAP);
ncp->nc_flag |= NCF_DEFEREDZAP;
par->nc_flag &= ~NCF_DEFEREDZAP;
if ((ncp->nc_flag & NCF_DEFEREDZAP) == 0)
ncp->nc_flag &= ~NCF_DEFEREDZAP;