SAMESTR
while (SAMESTR(q))
#define LAST_QUEUE(q) (!SAMESTR(q))
while (SAMESTR(driverq))
for (q = stp->sd_wrq; q != NULL; q = SAMESTR(q) ? q->q_next : NULL) {
q1 = SAMESTR(q1) ? q1->q_next : NULL) {
islast = !SAMESTR(qp) || qp->q_next == NULL;
ASSERT(SAMESTR(tmp_wrq));
for (q = stp->sd_wrq->q_next; SAMESTR(q) && pos > 0;
if (pos > 0 || !SAMESTR(q) ||
extern int SAMESTR(queue_t *);
extern int SAMESTR(queue_t *);