Specifying what kind of file to use
This section discusses:
the kinds of files you can use
how to specify RECFM, LRECL, and BLKSIZE
how to specify DDnames
OS files
UNIX file system files
VSAM data sets
Terminal files
Memory files and hiperspace memory files
CICS data queues
z/OS Language Environment Message file
How to specify RECFM, LRECL, and BLKSIZE
fopen() defaults
DDnames
Parent topic:
Opening files