To specify an INFDS which contains fields in the file feedback section, you can make the following entries:
FFilename++IPEASFRlen+LKlen+AIDevice+.Keywords+++++++++++++++++++++++++++++Comments++++++++++
FMYFILE IF E DISK INFDS(FILEFBK)
DName+++++++++++ETDsFrom+++To/L+++IDc.Keywords+++++++++++++++++++++++++++++Comments++++++++++
DFILEFBK DS
D FILE *FILE * File name
D OPEN_IND 9 9N * File open?
D EOF_IND 10 10N * File at eof?
D STATUS *STATUS * Status code
D OPCODE *OPCODE * Last opcode
D ROUTINE *ROUTINE * RPG Routine
D LIST_NUM 30 37 * Listing line
D SPCL_STAT 38 42S 0 * SPECIAL status
D RECORD *RECORD * Record name
D MSGID 46 52 * Error MSGID
D SCREEN *SIZE * Screen size
D NLS_IN *INP * NLS Input?
D NLS_OUT *OUT * NLS Output?
D NLS_MODE *MODE * NLS Mode?