1 files changed, 6 insertions, 1 deletions
diff --git a/lib/ip.h b/lib/ip.h
index 38f561b..1cc74e8 100644
--- a/lib/ip.h
+++ b/lib/ip.h
@@ -41,9 +41,14 @@
 char *ip_scope_text(unsigned);
 
 /*
- *	Is it a valid network prefix?
+ *	Network prefixes
  */
 
+struct prefix {
+  ip_addr addr;
+  int len;
+};
+
 #define ip_is_prefix(a,l) (!ipa_nonzero(ipa_and(a, ipa_not(ipa_mkmask(l)))))
 
 /*