tqhash_next
rsm = tqhash_next(rack->r_ctl.tqh, rsm);
rsm = tqhash_next(rack->r_ctl.tqh, rsm);
my_rsm = tqhash_next(rack->r_ctl.tqh, rack->r_ctl.rc_first_appl);
my_rsm = tqhash_next(rack->r_ctl.tqh, my_rsm);
nrsm = tqhash_next(rack->r_ctl.tqh, my_rsm);
rsm = tqhash_next(rack->r_ctl.tqh, rsm);
rsm = tqhash_next(rack->r_ctl.tqh, rsm);
rsm = tqhash_next(rack->r_ctl.tqh, rsm);
rsm = tqhash_next(rack->r_ctl.tqh, rsm);
nrsm = tqhash_next(rack->r_ctl.tqh, rsm);
next = tqhash_next(rack->r_ctl.tqh, rsm);
rsm = tqhash_next(rack->r_ctl.tqh, next);
rsm = tqhash_next(rack->r_ctl.tqh, rsm);
rsm = tqhash_next(rack->r_ctl.tqh, rsm);
rsm = tqhash_next(rack->r_ctl.tqh, rsm);
nrsm = tqhash_next(rack->r_ctl.tqh, rsm);
next = tqhash_next(rack->r_ctl.tqh, rsm);
next = tqhash_next(rack->r_ctl.tqh, rsm);
hs->rsm_min = tqhash_next(hs, rsm);
tqhash_next(struct tailq_hash *hs, struct rack_sendmap *rsm);
(var) = tqhash_next((head), (var)))
(var) = tqhash_next((head), (var)))