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How many (maximum) values can a function return using RETURN statement?

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owever, a trick many programmers use is to have the function create "side effects" by changing the value of its arguments as well as returning a value. A pseudocode example might be something like a file-existence checker. It would be a boolean function that returns TRUE if the file exists and FALSE if it doesn't. However, depending on the language used it could also modify its arguments so they provided the file's size and record type if it exists. For example: if bFileExists (cFileName, iFileSize, iRecType) then {do something with iFileSize ...}
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