To open an iSeries diskette file as a binary stream file for record-at-a-time processing, use the fopen() function with one of the following modes:
The valid keyword parameters are:
If your program processes diskette files, performance can be improved if I/O operations are blocked. If you do not specify a value for the blksize parameter or if you specify blksize=0 on fopen(), the system calculates a number of records to be transferred as a block to your program.
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