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What is the use of Controlled variables in PL/I

 
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hsbawari

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Joined: 16 Sep 2008
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Location: chennai
PostPosted: Tue Sep 23, 2008 5:33 pm    Post subject: What is the use of Controlled variables in PL/I
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Where do i use controlled variables and how
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enrico-sorichetti

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Location: italy
PostPosted: Tue Sep 23, 2008 5:37 pm    Post subject: Reply to: What is the use of Controlled variables in PL/I
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a controlled variable is a variable which is allocated on an as needed base

the use/need is dictated by the application logic

for example arrays of unknown bounds at compile time
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