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