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