--- ppp-2.4.5.orig/pppdump/deflate.c	2009-11-16 23:26:07.000000000 +0100
+++ ppp-2.4.5/pppdump/deflate.c	2014-03-17 16:13:08.000000000 +0100
@@ -65,17 +65,17 @@ struct deflate_state {
 
 #define DEFLATE_OVHD	2		/* Deflate overhead/packet */
 
-static void	*z_alloc __P((void *, u_int items, u_int size));
-static void	z_free __P((void *, void *ptr, u_int nb));
-static void	*z_decomp_alloc __P((u_char *options, int opt_len));
-static void	z_decomp_free __P((void *state));
-static int	z_decomp_init __P((void *state, u_char *options, int opt_len,
-				     int unit, int hdrlen, int mru, int debug));
-static void	z_incomp __P((void *state, u_char *dmsg, int len));
-static int	z_decompress __P((void *state, u_char *cmp, int inlen,
-				    u_char *dmp, int *outlenp));
-static void	z_decomp_reset __P((void *state));
-static void	z_comp_stats __P((void *state, struct compstat *stats));
+static void	*z_alloc (void *, u_int items, u_int size);
+static void	z_free (void *, void *ptr, u_int nb);
+static void	*z_decomp_alloc (u_char *options, int opt_len);
+static void	z_decomp_free (void *state);
+static int	z_decomp_init (void *state, u_char *options, int opt_len,
+				     int unit, int hdrlen, int mru, int debug);
+static void	z_incomp (void *state, u_char *dmsg, int len);
+static int	z_decompress (void *state, u_char *cmp, int inlen,
+				    u_char *dmp, int *outlenp);
+static void	z_decomp_reset (void *state);
+static void	z_comp_stats (void *state, struct compstat *stats);
 
 /*
  * Procedures exported to if_ppp.c.