1 IOKW_END, 2 IOKW_ERR, 3 IOKW_FILE, 4 IOKW_UNIT, 5 IOKW_STATUS, 6 IOKW_ACCESS, 7 IOKW_BLANK, 8 IOKW_DIRECT, 9 IOKW_EXIST, 10 IOKW_FMT, 11 IOKW_FORM, 12 IOKW_FORMATTED, 13 IOKW_IOSTAT, 14 IOKW_NAMED, 15 IOKW_NEXTREC, 16 IOKW_NML, 17 IOKW_NUMBER, 18 IOKW_OPENED, 19 IOKW_REC, 20 IOKW_RECL, 21 IOKW_SEQUENTIAL, 22 IOKW_UNFORMATTED, 23 IOKW_ACTION, 24 IOKW_ADVANCE, 25 IOKW_DELIM, 26 IOKW_EOR, 27 IOKW_PAD, 28 IOKW_POSITION, 29 IOKW_READ, 30 IOKW_READWRITE, 31 IOKW_SIZE, 32 IOKW_WRITE, 33 IOKW_NAME, 34 IOKW_BLOCKSIZE, 35 IOKW_BUFFERCOUNT, 36 IOKW_CARRIAGECONTROL, 37 IOKW_DEFAULTFILE, 38 IOKW_DISP, 39 IOKW_DISPOSE, 40 IOKW_EXTENDSIZE, 41 IOKW_INITIALSIZE, 42 IOKW_MAXREC, 43 IOKW_ORGANIZATION, 44 IOKW_RECORDSIZE, 45 IOKW_RECORDTYPE, 46 IOKW_TYPE, 47 IOKW_NUM 48