smq_depth
if (smq->smq_count == smq->smq_depth)
(unsigned long)(smq->smq_depth * sizeof (smq_msg_t)))) {
*depth = smq->smq_depth;
(unsigned long)(smq->smq_depth * sizeof (smq_msg_t)))) {
smq->smq_depth = depth;
(unsigned long)(smq->smq_depth * sizeof (smq_msg_t)))) {
int smq_depth(smq_t *smq, int *depth);
int smq_depth; /* maximum message count */