nm_next
n = nm_next(n, lim);
kring->nr_hwcur = nm_next(kring->nr_hwcur, src_lim);
k1->ring->cur = nm_next(k1->ring->cur, dst_lim);
k->nkr_lease_idx = nm_next(lease_idx, lim);
static u_char *nm_next(struct nm_desc_t *, struct nm_hdr_t *);
j = nm_next(j, lim);
if (nm_next(lease_idx, lim) == kring->nkr_lease_idx) {
j = nm_next(j, lim);
lease_idx = nm_next(lease_idx, lim);
j = nm_next(j, lim);
for (; likely(j != end); j = nm_next(j, lim)) {