hostname contains segments with an ASCII-compatible
encoding of an Internationalized Domain Name. If this returns
TRUE, you should decode the hostname with
before displaying it to the user.
Note that a hostname might contain a mix of encoded and unencoded
segments, and so it is possible for
g_hostname_is_ascii_encoded() to both return
TRUE for a name.
Available since: 2.22
The data is owned by the caller of the function. The value is a NUL terminated UTF-8 string.