Index: uspace/lib/c/include/inet/addr.h
===================================================================
--- uspace/lib/c/include/inet/addr.h	(revision 1d24ad312b4ddcdf3dc7c30ee0effc5293fd669c)
+++ uspace/lib/c/include/inet/addr.h	(revision f5f79cdca759b2a16b9d14f6446269fc248a6f1e)
@@ -73,4 +73,6 @@
 extern void addr128(const addr128_t, addr128_t);
 
+extern int addr128_compare(const addr128_t, const addr128_t);
+
 extern void host2addr128_t_be(const addr128_t, addr128_t);
 extern void addr128_t_be2host(const addr128_t, addr128_t);