6.2.4.2 "COBOL Language Reference" IBM Library Server

6.2.4.2 BY REFERENCE Phrase

If the BY REFERENCE phrase is either specified or implied for a parameter, the corresponding data item in the calling program occupies the same storage area as the data item in the called program.

identifier-2

X Can be a data item of any level in the Data Division. Identifier-2 cannot be a function identifier.

Note: If defined in the Linkage Section or File Section, you must have already provided addressability for identifier-2 prior to invocation of the CALL statement. You can do this by coding either one of the following: SET ADDRESS OF identifier-2 TO pointer or PROCEDURE/ENTRY USING.

X file-name-1 (OS/390 and VM Only)

X >_Host_> Under OS/390 and VM, a file-name for a QSAM file. See IBM
X COBOL for OS/390 & VM Programming Guide for details on using file-name
X with the CALL statement. <_Host_<

X ADDRESS OF Special Register

X For information on the ADDRESS OF special register, see "ADDRESS OF"
X in topic 1.1.3.1.

X OMITTED

X Indicates that no argument is passed.

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6.2.4.2 BY REFERENCE Phrase

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