@subheading tld_get_4z
@anchor{tld_get_4z}
@deftypefun {int} {tld_get_4z} (const uint32_t * @var{in}, char ** @var{out})
@var{in}: Zero terminated array of unicode code points 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} .

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

