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