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oop

Is c object oriented language or not? Can struct replace class? (I've used functions inside structures and it works)
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jas_jan
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jas_jan
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yonatCommented:
C is not an object oriented language. It takes great effort and pain to implement object oriented designs in C (beleive me, I have done this).

A C struct cannot replace a C++ class. You will have to implement a complete virtual table mechanism in order to have anything close to polymorphism. Even then, you don't get access protection, and the whole thing is very difficult to write and maintain.

My recomendation: For object oriented programming, use an object oriented language (C++ or some other OOPL). It will make your life easier.
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jas_janAuthor Commented:
Yes, you can define objects in C. You can even do it in assembly language. To say that it requires "some extra effort" is a big understatement. It is *painful*. Not only for the programmer defining the objects, but also for the programmers using these object, and for the programmers who need to extend these objects.

C *enables* you to do anything, including objects. However, it does not *support* object oriented programming. OOPLs are languages that wither support (like C++) or enforce (like SmallTalk) OOP. So C isn't an OOPL.

BTW, I remember Apple had an OO library using C for QuickDraw GX. If you're interested, here's the URL: http://devworld.apple.com/ngs/lpp/adrpub/docs/dev/techsupport/insidemac/GXOverview/GXOverview-2.html
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yonatCommented:
Thank you yonat for your comments. Pl keep in touch.
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