Add a routine to do the "checksum with pseudo-header" stuff for IPv4.

Clean up some other stuff while we're at it.

1 files changed, 1 insertions, 1 deletions

diff --git a/ip.h b/ip.h
index fd53503e..8a97632e 100644
--- a/ip.h
+++ b/ip.h
@@ -161,4 +161,4 @@ struct	ip_timestamp {
 #define	IP_MSS		576		/* default maximum segment size */
 
 /* in print-ip.c */
-extern u_int32_t ip_finddst(const struct ip *);
+extern int nextproto4_cksum(const struct ip *, const u_int8_t *, u_int, u_int);