KEYSECT KEYSECT defines the key table used in os simulation of BDAM files for I/O by key. KFYSECT is built dynamically from CMS free storage. 0 KEYLNGTH rATAINE 8 KEYOP 10 KEYNAME 18 KEYTYPE 20 KEYMODE KEYTBLNO KEY'IBLAD 28 TBLLNGTH A*l 1*2 KEYCOUT 30 KEYTIELE Hexadecimal Field
Displacement Name Field Description, Contents, Meaning ------------ -------------------------------------- 0 KEYLNGTH DS 1F Key length
4 DATAEND DS 1F Pointer to last data item in file
8 KEYOP DS 2F Start of PLIST for keys file
10 KEYNAME DS 2F Filename of keys file
18 KEYTYPE DS 2F Filetype of keys file 20 KEYMODE DS lH File!!!ode of keys file
22 KEYTBLNO DS 1H Item number of key table
24 KEYTBLAD DS IF Address of key table
28 TBLLNGTH DS 1F Eyte size of key table 2C KEYFORM DS 1X 1*1 Format of keys file
2D KEYCHNG DS 1X A*2 Indicates change in key table 2E KEYCOUT DS 1H Blocking factor of key table
30 DS 1F Number of bytes read
34 KEYTABLE DS OF Start of keys table (item number) Section 2. CMS rata Areas and Contrel Blocks 197

LDRST LDRST describes the fields of the work area used by the loader. The work area is ottained and built by DMSLDR. LDRST is built dyna.ically ty D!SLDR fro. CMS free
storage. I o GPRSAV I 8 LOCSAV I ------------------------------------------------------1 10 RETT LCCCT I ------------------------------------------------------1
18 BRAD TELREF 1 ------------------------------------------------------1 20 A*1 A*2 TBLCT A*3 1//////1/////1///////1 ----------------------------------------------------1
28 /////////////1//////////////1/////1///////1/////////////1 30 38
358 360 558 560 598 SAO 5A8 5BO 5B8 5CO 5C8 5DO FMODE RLDCONST RETREG TMPLOC RITEM RLENG SPEC ESIDTE APSV FILE REAtEUF FNAME FTYPE RFIX 198 IBM VM/370 Data Areas and Control Elock Logic PARMLIST TEMPST CRDPTR RADD RNUM