When the RECORD clause is used, the record size must be specified as the number of character positions needed to store the record internally. That is, it must specify the number of bytes occupied internally by the characters of the record (not the number of characters used to represent the item within the record).
The size of a record is determined according to the rules for obtaining the size of a group item. (See "USAGE Clause" in topic 5.3.16 and "SYNCHRONIZED Clause" in topic 5.3.15.)
When the RECORD clause is omitted, the compiler determines the record lengths from the record descriptions. When one of the entries within a record description contains an OCCURS DEPENDING ON clause, the compiler uses the maximum value of the variable-length item to calculate the number of character positions needed to store the record internally.
If the associated file connector is an external file connector, all file description entries in the run unit that are associated with that file connector must specify the same maximum number of character positions.
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