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Thinking in C++
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Function addresses

Once a function is compiled and loaded into the computer to be executed, it occupies a chunk of memory. That memory, and thus the function, has an address.

C has never been a language to bar entry where others fear to tread. You can use function addresses with pointers just as you can use variable addresses. The declaration and use of function pointers looks a bit opaque at first, but it follows the format of the rest of the language.

Thinking in C++
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   Reproduced courtesy of Bruce Eckel, MindView, Inc. Design by Interspire