@section @code{memchr}
@findex memchr
-POSIX specification: @url{http://www.opengroup.org/susv3xsh/memchr.html}
+POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/memchr.html}
Gnulib module: memchr
@itemize
@item
This function is missing on some older platforms.
+
+@item
+This function dereferences too much memory on some platforms:
+glibc 2.10 on x86_64, IA-64, Alpha.
@end itemize
Portability problems not fixed by Gnulib: