@subheading tld_get_z
@anchor{tld_get_z}
@deftypefun {int} {tld_get_z} (const char * @var{in}, char ** @var{out})
@var{in}: Zero terminated character array to process.

@var{out}: Zero terminated ascii result string pointer.

Isolate the top-level domain of  @code{in} and return it as an ASCII
string in  @code{out} .  The input string  @code{in} may be UTF-8, ISO-8859-1 or
any ASCII compatible character encoding.

Return value: Return @code{TLD_SUCCESS}  on success, or the corresponding
@code{Tld_rc}  error code otherwise.
@end deftypefun