dr_mem_query_t
static void dr_mem_query(dr_mem_blk_t *, dr_mem_query_t *);
dr_mem_query(dr_mem_blk_t *mbp, dr_mem_query_t *mqp)
dr_mem_query_t *stat;
rlen += nml * sizeof (dr_mem_query_t);
rlen += req->msg_arg * sizeof (dr_mem_query_t);
#define DR_MEM_RESP_QUERY(h) ((dr_mem_query_t *)(DR_MEM_HDR(h) + 1))