diff -Naur skkserv.orig/skkserv.h skkserv/skkserv.h
--- skkserv.orig/skkserv.h	2004-07-02 01:23:43.165659480 +0900
+++ skkserv/skkserv.h	2004-07-02 01:24:19.123640760 +0900
@@ -44,6 +44,7 @@
 #endif
 #include	<sys/socket.h>
 #include	<netinet/in.h>
+#include	<arpa/inet.h>
 #include	<netdb.h>
 #include	<signal.h>
 #include	<errno.h>