mjn3 found a url for the darwin C lib

docs/uclibc.org/other_libs.html

@@ -10,6 +10,7 @@ I am currently aware of the following open source C libraries.
     <li> <a href="http://www.freebsd.org/cgi/cvsweb.cgi/src/lib/libc/">The FreeBSD C Library</a>
     <li> <a href="http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libc/">The NetBSD C Library</a>
     <li> <a href="http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/">The OpenBSD C Library</a>
+    <li> <a href="http://cvs.opendarwin.org/index.cgi/src/Libc/">The OpenDarwin C Library</a>
     <li><a href="http://www.fefe.de/dietlibc/">dietlibc</a>
     <li> <a href="http://sources.redhat.com/newlib/">newlib</a>
     <li> <a href="http://www.k9wk.com/cdoc.html">Al's FREE C Runtime Library</a>