Rational Developer for System z
COBOL for Windows, Version 7.5, Language Reference


Function-identifier

A function-identifier is a sequence of character strings and separators that uniquely references the data item that results from the evaluation of a function.

Format
Read syntax diagramSkip visual syntax diagram>>-FUNCTION--function-name-1--+----------------------+---------->
                              |    .------------.    |  
                              |    V            |    |  
                              '-(----argument-1-+--)-'  
 
>--+--------------------+--------------------------------------><
   '-reference-modifier-'  
 
argument-1
Must be an identifier, literal (other than a figurative constant), or arithmetic expression.

For more information, see Intrinsic functions.

function-name-1
function-name-1 must be one of the intrinsic function names.
reference-modifier
Can be specified only for functions of the type alphanumeric or national.

A function-identifier that makes reference to an alphanumeric or national function can be specified anywhere that a data item of category alphanumeric or category national, respectively, can be referenced and where references to functions are not specifically prohibited, except as follows:

A function-identifier that makes reference to an integer or numeric function can be used wherever an arithmetic expression can be used.


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