Sure. They should be equivalent. (In C++ return is prefered as it calls
destructors. But anyone relying on this when using C++ in org-mode should
imnsho get a permanent ban from ever using C/C++ ;-).

Regards,
Dov

On Thu, Apr 5, 2012 at 17:56, Eric Schulte <eric.schulte@gmx.com> wrote:

> Dov Grobgeld <dov.grobgeld@gmail.com> writes:
>
> > Oops. I sawthat  I wrote "do not get any error" though I meant "do not
> get
> > any resulting output".
> >
>
> Would this alternate version work (without requiring stdlib.h)?
>
> (defun org-babel-C-ensure-main-wrap (body)
>  "Wrap body in a \"main\" function call if none exists."
>  (if (string-match "^[ \t]*[intvod]+[ \t\n\r]*main[ \t]*(.*)" body)
>      body
>    (format "int main() {\n%s\nreturn(0);\n}\n" body)))
>
> Thanks,
>
> >
> > On Wed, Apr 4, 2012 at 11:13, Dov Grobgeld <dov.grobgeld@gmail.com>
> wrote:
> >
> >> When running a babel C session under Linux/gcc I do not get any error
> >> unless I add exit(0) as part of the C-code snippet. For some to me not
> >> understood reason my program exits with error code=4, which is caught by
> >> org-babel-eval and the printed output is not inserted into my buffer . I
> >> solved this by adding `#include <stdlib.h>` and `exit(0);` as part of
> >> org-babel-C-ensure-main-wrap .
> >>
> >> Should I prepare this as patch?
> >>
> >> Regards,
> >> Dov
> >>
> >>
>
> --
> Eric Schulte
> http://cs.unm.edu/~eschulte/
>