One way to massive patch.  <sigh>  It compiles and works under Linux..
And I think I have all the bits right from the OpenBSD tree.
20001222
 - Updated RCSID for pty.c
 - (bal) OpenBSD CVS Updates:
  - markus@cvs.openbsd.org 2000/12/21 15:10:16
    [auth-rh-rsa.c hostfile.c hostfile.h sshconnect.c]
    print keyfile:line for changed hostkeys, for deraadt@, ok deraadt@
  - markus@cvs.openbsd.org 2000/12/20 19:26:56
    [authfile.c]
    allow ssh -i userkey for root
  - markus@cvs.openbsd.org 2000/12/20 19:37:21
    [authfd.c authfd.h kex.c sshconnect2.c sshd.c uidswap.c uidswap.h]
    fix prototypes; from stevesk@pobox.com
  - markus@cvs.openbsd.org 2000/12/20 19:32:08
    [sshd.c]
    init pointer to NULL; report from Jan.Ivan@cern.ch
  - markus@cvs.openbsd.org 2000/12/19 23:17:54
    [auth-krb4.c auth-options.c auth-options.h auth-rhosts.c auth-rsa.c
     auth1.c auth2-skey.c auth2.c authfd.c authfd.h authfile.c bufaux.c
     bufaux.h buffer.c canohost.c channels.c clientloop.c compress.c
     crc32.c deattack.c getput.h hmac.c hmac.h hostfile.c kex.c kex.h
     key.c key.h log.c login.c match.c match.h mpaux.c mpaux.h packet.c
     packet.h radix.c readconf.c rsa.c scp.c servconf.c servconf.h
     serverloop.c session.c sftp-server.c ssh-agent.c ssh-dss.c ssh-dss.h
     ssh-keygen.c ssh-keyscan.c ssh-rsa.c ssh-rsa.h ssh.c ssh.h  uuencode.c
     uuencode.h sshconnect1.c sshconnect2.c sshd.c tildexpand.c]
    replace 'unsigned bla' with 'u_bla' everywhere. also replace 'char
    unsigned' with u_char.
diff --git a/authfd.c b/authfd.c
index 9036a8d..e2456e3 100644
--- a/authfd.c
+++ b/authfd.c
@@ -35,7 +35,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: authfd.c,v 1.30 2000/11/12 19:50:37 markus Exp $");
+RCSID("$OpenBSD: authfd.c,v 1.32 2000/12/20 19:37:21 markus Exp $");
 
 #include "ssh.h"
 #include "rsa.h"
@@ -62,7 +62,7 @@
 /* Returns the number of the authentication fd, or -1 if there is none. */
 
 int
-ssh_get_authentication_socket()
+ssh_get_authentication_socket(void)
 {
 	const char *authsocket;
 	int sock, len;
@@ -171,7 +171,7 @@
  */
 
 AuthenticationConnection *
-ssh_get_authentication_connection()
+ssh_get_authentication_connection(void)
 {
 	AuthenticationConnection *auth;
 	int sock;
@@ -272,9 +272,9 @@
 Key *
 ssh_get_next_identity(AuthenticationConnection *auth, char **comment, int version)
 {
-	unsigned int bits;
-	unsigned char *blob;
-	unsigned int blen;
+	u_int bits;
+	u_char *blob;
+	u_int blen;
 	Key *key = NULL;
 
 	/* Return failure if no more entries. */
@@ -322,9 +322,9 @@
 int
 ssh_decrypt_challenge(AuthenticationConnection *auth,
     Key* key, BIGNUM *challenge,
-    unsigned char session_id[16],
-    unsigned int response_type,
-    unsigned char response[16])
+    u_char session_id[16],
+    u_int response_type,
+    u_char response[16])
 {
 	Buffer buffer;
 	int success = 0;
@@ -373,13 +373,13 @@
 int
 ssh_agent_sign(AuthenticationConnection *auth,
     Key *key,
-    unsigned char **sigp, int *lenp,
-    unsigned char *data, int datalen)
+    u_char **sigp, int *lenp,
+    u_char *data, int datalen)
 {
 	extern int datafellows;
 	Buffer msg;
-	unsigned char *blob;
-	unsigned int blen;
+	u_char *blob;
+	u_int blen;
 	int type, flags = 0;
 	int ret = -1;
 
@@ -502,8 +502,8 @@
 {
 	Buffer msg;
 	int type;
-	unsigned char *blob;
-	unsigned int blen;
+	u_char *blob;
+	u_int blen;
 
 	buffer_init(&msg);