PUNCHDD DD statement
The DD statement for the output data set is labeled PUNCHDD.
The data sets are fixed block with LRECL=80. Block size
as specified on the DD statement is used; if not specified, the block
size is set to 80. If the program is unable to open PUNCHDD, DFSDDLT0
issues abend 251. Here is an example of the PUNCHDD DD statement.
//PUNCHDD DD SYSOUT=B