diff --git a/netlink_msg.h b/netlink_msg.h
new file mode 100644
index 0000000..bc85b2d
--- /dev/null
+++ b/netlink_msg.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2012 Daniel Drown
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * netlink_msg.h - send an ifaddrmsg/ifinfomsg via netlink
+ */
+#ifndef __NETLINK_IFMSG_H__
+#define __NETLINK_IFMSG_H__
+
+size_t inet_family_size(int family);
+struct nl_msg *nlmsg_alloc_ifaddr(uint16_t type, uint16_t flags, struct ifaddrmsg *ifa);
+struct nl_msg *nlmsg_alloc_ifinfo(uint16_t type, uint16_t flags, struct ifinfomsg *ifi);
+struct nl_msg *nlmsg_alloc_rtmsg(uint16_t type, uint16_t flags, struct rtmsg *rt);
+void send_netlink_msg(struct nl_msg *msg, struct nl_cb *callbacks);
+void send_ifaddrmsg(uint16_t type, uint16_t flags, struct ifaddrmsg *ifa, struct nl_cb *callbacks);
+int netlink_sendrecv(struct nl_msg *msg);
+
+#endif