How I change a variable of a type to another one in C?

Posted by drigoSkalWalker on Stack Overflow See other posts from Stack Overflow or by drigoSkalWalker
Published on 2010-05-12T21:13:02Z Indexed on 2010/05/13 13:24 UTC
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I want to do it:

int main () {
  bla bla bla

  void *onetype;

  switch (USER_INPUT_TYPE) {

      CASE CONVERT_TO_CHAR:
          convert onetype VOID TO CHAR >>> HOW???

      CASE CONVERT_TO_INT:
          convert onetype VOID TO INT >>> HOW???

   LOT OF CASES...
   }
}

Yes, I know type casting, but type casting is a 'temporary' change.

So, is there any way to accomplish it in C?

EDIT :

Stop stop stop! Please, see, what are you doing is type casting, I KNOW THIS, you are creating another variable of the desirable type like int i = (int) onetype, I don't want this, I want something else like onetype = (int) onetype, without recreate them, without allocate another variable.

Thanks a lot guys!

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