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/ssh-rsa.c b/ssh-rsa.c
index cc31154..0f44051 100644
--- a/ssh-rsa.c
+++ b/ssh-rsa.c
@@ -23,7 +23,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: ssh-rsa.c,v 1.1 2000/11/12 19:50:38 markus Exp $");
+RCSID("$OpenBSD: ssh-rsa.c,v 1.2 2000/12/19 23:17:58 markus Exp $");
 
 #include "ssh.h"
 #include "xmalloc.h"
@@ -44,13 +44,13 @@
 int
 ssh_rsa_sign(
     Key *key,
-    unsigned char **sigp, int *lenp,
-    unsigned char *data, int datalen)
+    u_char **sigp, int *lenp,
+    u_char *data, int datalen)
 {
 	EVP_MD *evp_md = EVP_sha1();
 	EVP_MD_CTX md;
-	unsigned char *digest, *sig, *ret;
-	unsigned int slen, dlen, len;
+	u_char *digest, *sig, *ret;
+	u_int slen, dlen, len;
 	int ok;
 	Buffer b;
 
@@ -109,15 +109,15 @@
 int
 ssh_rsa_verify(
     Key *key,
-    unsigned char *signature, int signaturelen,
-    unsigned char *data, int datalen)
+    u_char *signature, int signaturelen,
+    u_char *data, int datalen)
 {
 	Buffer b;
 	EVP_MD *evp_md = EVP_sha1();
 	EVP_MD_CTX md;
 	char *ktype;
-	unsigned char *sigblob, *digest;
-	unsigned int len, dlen;
+	u_char *sigblob, *digest;
+	u_int len, dlen;
 	int rlen;
 	int ret;
 
@@ -135,7 +135,7 @@
 		return -1;
 	}
 	xfree(ktype);
-	sigblob = (unsigned char *)buffer_get_string(&b, &len);
+	sigblob = (u_char *)buffer_get_string(&b, &len);
 	rlen = buffer_len(&b);
 	buffer_free(&b);
 	if(rlen != 0) {