diff --git a/networking/udhcp/socket.h b/networking/udhcp/socket.h
new file mode 100644
index 0000000..333994b
--- /dev/null
+++ b/networking/udhcp/socket.h
@@ -0,0 +1,9 @@
+/* socket.h */
+#ifndef _SOCKET_H
+#define _SOCKET_H
+
+int read_interface(char *interface, int *ifindex, u_int32_t *addr, unsigned char *arp);
+int listen_socket(unsigned int ip, int port, char *inf);
+int raw_socket(int ifindex);
+
+#endif