KGET2
KGET2(nl[idx].n_value, p, s, msg)
KGET2((nl[V_LRU_LIST].n_value + sizeof(lru_head) * i), &lru_head,
KGET2(vp, &vnode, sizeof(vnode), "vnode");
KGET2((char *)vp + next_offset, &vp, sizeof(vp), "nvp");
KGET2(tp, &tty, sizeof tty, "tty struct");
KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid");
KGET2(tp->t_linesw, &t_linesw, sizeof(t_linesw),
KGET2(name, &buffer, sizeof(buffer), "line discipline name");