READPREV 1 READPREV FILE(filename) 2 INTO(data-area) 2 SET(ptr-ref) 3? 3 UNCOMMITTED 3 CONSISTENT 3 REPEATABLE 3 UPDATE TOKEN(data-area) 4 RIDFLD(data-area) 5? REQID(data-value) 6? 6 SYSID(systemname) LENGTH(data-area) 6 LENGTH(data-area) 7? 7 RBA 7 RRN 8? 8 NOSUSPEND