Minimal client

[Michael Forney]

On 2020-07-01, Phil Leblanc <philanc at gmail.com> wrote:
> Your project is very nice!

Thanks :)

> I built your libtls-bearssl library and
> then rebuilt the 'nc' client that comes with LibreSSL against your
> libtls.a and libbearssl.a.
>
> Just a minor issue:   " undefined reference to `explicit_bzero' ".

Are you using an old version of musl? It should be available since
1.1.20. I didn't add a compat implementation since it is pretty widely
supported (glibc, musl, BSDs).