$NetBSD: patch-ad,v 1.1 2006/07/23 15:00:41 taca Exp $

--- common.h.orig	2002-01-20 23:20:44.000000000 +0900
+++ common.h
@@ -425,3 +425,9 @@
 #endif
 };
 typedef union SockAddrUnion SockAddr;
+
+#ifdef __STDC__
+#define P(c)	c
+#else
+#define P(c)
+#endif