The UPPERCASE
macro converts a string or a part of it to upper case. It has
two arguments:
UPPERCASE(hello world)(1) UPPERCASE(hello world)(5) UPPERCASE(hello world)(0)
This code sample expands to:
Hello world HELLO world HELLO WORLD
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Copyright (c) 1997, 1998, 1999 Karel Kubat and Jan Nieuwenhuizen.
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