--- ppp-2.4.5.orig/include/net/if_ppp.h	2009-11-16 23:26:07.000000000 +0100
+++ ppp-2.4.5/include/net/if_ppp.h	2014-03-17 16:13:06.000000000 +0100
@@ -150,7 +150,7 @@ struct ifpppcstatsreq {
 #endif
 
 #if (defined(_KERNEL) || defined(KERNEL)) && !defined(NeXT)
-void pppattach __P((void));
-void pppintr __P((void));
+void pppattach (void);
+void pppintr (void);
 #endif
 #endif /* _IF_PPP_H_ */
