pub fn hostname_to_unicode(hostname: &str) -> Option<GString>
Expand description
Converts @hostname to its canonical presentation form; a UTF-8 string in Unicode normalization form C, containing no uppercase letters, no forbidden characters, and no ASCII-encoded segments, and not ending with a trailing dot.
Of course if @hostname is not an internationalized hostname, then the canonical presentation form will be entirely ASCII.
§hostname
a valid UTF-8 or ASCII hostname
§Returns
a UTF-8 hostname, which must be freed,
or None
if @hostname is in some way invalid.