@section @code{gethostname}
@findex gethostname
-POSIX specification: @url{http://www.opengroup.org/susv3xsh/gethostname.html}
+POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/gethostname.html}
Gnulib module: gethostname