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Re: why I got this answer?

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On 2013-02-26, 谢成骏 <bbboson@gmail.com> wrote:
> Hi all.
>   I write a small program. But I can't understand the result of it. here is my code:
> -----------------------------------------
> #include <stdio.h>
>
> int* foo(int n)
> {
>     int *p = &n;
>     return p;
> }

n 'evaporates' after you hit the return
the value returned in p points to where n used to be.

> output:
> [999]
> [999]
> Why *p is 999?

999 got put where n used to be.

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why I got this answer? 谢成骏 <bbboson@gmail.com> - 2013-02-26 10:51 -0600
  Re: why I got this answer? Jasen Betts <jasen@xnet.co.nz> - 2013-03-11 18:25 -0500
  Re: why I got this answer? Barry Schwarz <schwarzb@dqel.com> - 2013-03-11 18:25 -0500
  Re: why I got this answer? Thomas Richter <thor@math.tu-berlin.de> - 2013-03-11 18:25 -0500

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