On Mon, Jun 11, 2012 at 12:17 PM, Bin.Cheng <amker.ch...@gmail.com> wrote:
> Hi,
> In "ref_maybe_used_by_call_p_1", the comment says "strcat/strncat
> additionally reads memory pointed to by the first argument." I do not
> understand these words well, why the first string is read by the two
> functions?

Because we need to search for the end of the string to append at the
proper place.

Richard.

> Thanks for help.
>
> --
> Best Regards.

Reply via email to