diff --git a/appl/telnet/libtelnet/auth.c b/appl/telnet/libtelnet/auth.c
index cedd1f9ea..bfab8935a 100644
--- a/appl/telnet/libtelnet/auth.c
+++ b/appl/telnet/libtelnet/auth.c
@@ -539,7 +539,6 @@ auth_name(data, cnt)
 	unsigned char *data;
 	int cnt;
 {
-	Authenticator *ap;
 	unsigned char savename[256];
 
 	if (cnt < 1) {
diff --git a/appl/telnet/libtelnet/enc-proto.h b/appl/telnet/libtelnet/enc-proto.h
index be4504730..086f4f988 100644
--- a/appl/telnet/libtelnet/enc-proto.h
+++ b/appl/telnet/libtelnet/enc-proto.h
@@ -111,11 +111,4 @@ void ofb64_session P((Session_Key *, int));
 int ofb64_keyid P((int, unsigned char *, int *));
 void ofb64_printsub P((unsigned char *, int, unsigned char *, int));
 
-#if OLD
-int  des_new_random_key P((Block));
-void des_set_random_generator_seed P((Block));
-void des_key_sched P((Block, Schedule));
-void des_ecb_encrypt P((Block, Block, Schedule, int));
-int  des_string_to_key P((char *, Block));
-#endif
 #endif
diff --git a/appl/telnet/libtelnet/enc_des.c b/appl/telnet/libtelnet/enc_des.c
index ceeabff9a..9dc31a7de 100644
--- a/appl/telnet/libtelnet/enc_des.c
+++ b/appl/telnet/libtelnet/enc_des.c
@@ -46,12 +46,14 @@ static char orig_sccsid[] = "@(#)enc_des.c	5.1 (Berkeley) 3/22/91";
 #include <stdio.h>
 #ifdef	__STDC__
 #include <stdlib.h>
+#include <string.h>
 #endif
 
 #include "encrypt.h"
-#include "key-proto.h"
 #include "misc-proto.h"
 
+#include <des.h>
+
 extern encrypt_debug_mode;
 
 #define	CFB	0
@@ -65,24 +67,26 @@ extern encrypt_debug_mode;
 #define	FAILED		-1
 
 
+struct stinfo {
+  des_cblock	str_output;
+  des_cblock	str_feed;
+  des_cblock	str_iv;
+  des_cblock	str_ikey;
+  des_key_schedule str_sched;
+  int		str_index;
+  int		str_flagshift;
+};
+
 struct fb {
-	Block krbdes_key;
-	Schedule krbdes_sched;
-	Block temp_feed;
+	des_cblock krbdes_key;
+	des_key_schedule krbdes_sched;
+	des_cblock temp_feed;
 	unsigned char fb_feed[64];
 	int need_start;
 	int state[2];
 	int keyid[2];
 	int once;
-	struct stinfo {
-		Block		str_output;
-		Block		str_feed;
-		Block		str_iv;
-		Block		str_ikey;
-		Schedule	str_sched;
-		int		str_index;
-		int		str_flagshift;
-	} streams[2];
+	struct stinfo streams[2];
 };
 
 static struct fb fb[2];
@@ -114,18 +118,16 @@ struct keyidlist {
 #define	FB64_IV_BAD	3
 
 
-void fb64_stream_iv P((Block, struct stinfo *));
+void fb64_stream_iv P((des_cblock, struct stinfo *));
 void fb64_init P((struct fb *));
 static int fb64_start P((struct fb *, int, int));
 int fb64_is P((unsigned char *, int, struct fb *));
 int fb64_reply P((unsigned char *, int, struct fb *));
 static void fb64_session P((Session_Key *, int, struct fb *));
-void fb64_stream_key P((Block, struct stinfo *));
+void fb64_stream_key P((des_cblock, struct stinfo *));
 int fb64_keyid P((int, unsigned char *, int *, struct fb *));
 
-	void
-cfb64_init(server)
-	int server;
+void cfb64_init(int server)
 {
 	fb64_init(&fb[CFB]);
 	fb[CFB].fb_feed[4] = ENCTYPE_DES_CFB64;
@@ -133,9 +135,8 @@ cfb64_init(server)
 	fb[CFB].streams[1].str_flagshift = SHIFT_VAL(1, CFB);
 }
 
-	void
-ofb64_init(server)
-	int server;
+
+void ofb64_init(int server)
 {
 	fb64_init(&fb[OFB]);
 	fb[OFB].fb_feed[4] = ENCTYPE_DES_OFB64;
@@ -143,9 +144,7 @@ ofb64_init(server)
 	fb[CFB].streams[1].str_flagshift = SHIFT_VAL(1, OFB);
 }
 
-	void
-fb64_init(fbp)
-	register struct fb *fbp;
+void fb64_init(struct fb *fbp)
 {
 	memset((void *)fbp,0, sizeof(*fbp));
 	fbp->state[0] = fbp->state[1] = FAILED;
@@ -163,28 +162,18 @@ fb64_init(fbp)
  *	 2: Not yet.  Other things (like getting the key from
  *	    Kerberos) have to happen before we can continue.
  */
-	int
-cfb64_start(dir, server)
-	int dir;
-	int server;
+int cfb64_start(int dir, int server)
 {
 	return(fb64_start(&fb[CFB], dir, server));
 }
-	int
-ofb64_start(dir, server)
-	int dir;
-	int server;
+
+int ofb64_start(int dir, int server)
 {
 	return(fb64_start(&fb[OFB], dir, server));
 }
 
-	static int
-fb64_start(fbp, dir, server)
-	struct fb *fbp;
-	int dir;
-	int server;
+static int fb64_start(struct fb *fbp, int dir, int server)
 {
-	Block b;
 	int x;
 	unsigned char *p;
 	register int state;
@@ -222,7 +211,7 @@ fb64_start(fbp, dir, server)
 		 * Create a random feed and send it over.
 		 */
 #ifndef OLD_DES_RANDOM_KEY
-		des_new_random_key(fbp->temp_feed);
+		des_new_random_key(&fbp->temp_feed);
 #else
 		/*
 		 * From des_cryp.man "If the des_check_key flag is non-zero,
@@ -234,13 +223,14 @@ fb64_start(fbp, dir, server)
 			des_set_odd_parity(fbp->temp_feed);
 		} while (des_is_weak_key(fbp->temp_feed));
 #endif
-		des_ecb_encrypt(fbp->temp_feed, fbp->temp_feed,
+		des_ecb_encrypt(&fbp->temp_feed,
+				&fbp->temp_feed,
 				fbp->krbdes_sched, 1);
 		p = fbp->fb_feed + 3;
 		*p++ = ENCRYPT_IS;
 		p++;
 		*p++ = FB64_IV;
-		for (x = 0; x < sizeof(Block); ++x) {
+		for (x = 0; x < sizeof(des_cblock); ++x) {
 			if ((*p++ = fbp->temp_feed[x]) == IAC)
 				*p++ = IAC;
 		}
@@ -261,30 +251,21 @@ fb64_start(fbp, dir, server)
  *	 0: Successful, initial negotiation all done.
  *	 1: successful, negotiation not done yet.
  */
-	int
-cfb64_is(data, cnt)
-	unsigned char *data;
-	int cnt;
+
+int cfb64_is(unsigned char *data, int cnt)
 {
 	return(fb64_is(data, cnt, &fb[CFB]));
 }
-	int
-ofb64_is(data, cnt)
-	unsigned char *data;
-	int cnt;
+
+int ofb64_is(unsigned char *data, int cnt)
 {
 	return(fb64_is(data, cnt, &fb[OFB]));
 }
 
-	int
-fb64_is(data, cnt, fbp)
-	unsigned char *data;
-	int cnt;
-	struct fb *fbp;
+
+int fb64_is(unsigned char *data, int cnt, struct fb *fbp)
 {
-	int x;
 	unsigned char *p;
-	Block b;
 	register int state = fbp->state[DIR_DECRYPT-1];
 
 	if (cnt-- < 1)
@@ -292,7 +273,7 @@ fb64_is(data, cnt, fbp)
 
 	switch (*data++) {
 	case FB64_IV:
-		if (cnt != sizeof(Block)) {
+		if (cnt != sizeof(des_cblock)) {
 			if (encrypt_debug_mode)
 				printf("CFB64: initial vector failed on size\r\n");
 			state = FAILED;
@@ -352,31 +333,20 @@ fb64_is(data, cnt, fbp)
  *	 0: Successful, initial negotiation all done.
  *	 1: successful, negotiation not done yet.
  */
-	int
-cfb64_reply(data, cnt)
-	unsigned char *data;
-	int cnt;
+
+int cfb64_reply(unsigned char *data, int cnt)
 {
 	return(fb64_reply(data, cnt, &fb[CFB]));
 }
-	int
-ofb64_reply(data, cnt)
-	unsigned char *data;
-	int cnt;
+
+int ofb64_reply(unsigned char *data, int cnt)
 {
 	return(fb64_reply(data, cnt, &fb[OFB]));
 }
 
 
-	int
-fb64_reply(data, cnt, fbp)
-	unsigned char *data;
-	int cnt;
-	struct fb *fbp;
+int fb64_reply(unsigned char *data, int cnt, struct fb *fbp)
 {
-	int x;
-	unsigned char *p;
-	Block b;
 	register int state = fbp->state[DIR_ENCRYPT-1];
 
 	if (cnt-- < 1)
@@ -392,7 +362,7 @@ fb64_reply(data, cnt, fbp)
 		break;
 
 	case FB64_IV_BAD:
-		memset(fbp->temp_feed, 0, sizeof(Block));
+		memset(fbp->temp_feed, 0, sizeof(des_cblock));
 		fb64_stream_iv(fbp->temp_feed, &fbp->streams[DIR_ENCRYPT-1]);
 		state = FAILED;
 		break;
@@ -411,27 +381,17 @@ fb64_reply(data, cnt, fbp)
 	return(fbp->state[DIR_ENCRYPT-1] = state);
 }
 
-	void
-cfb64_session(key, server)
-	Session_Key *key;
-	int server;
+void cfb64_session(Session_Key *key, int server)
 {
 	fb64_session(key, server, &fb[CFB]);
 }
 
-	void
-ofb64_session(key, server)
-	Session_Key *key;
-	int server;
+void ofb64_session(Session_Key *key, int server)
 {
 	fb64_session(key, server, &fb[OFB]);
 }
 
-	static void
-fb64_session(key, server, fbp)
-	Session_Key *key;
-	int server;
-	struct fb *fbp;
+static void fb64_session(Session_Key *key, int server, struct fb *fbp)
 {
 
 	if (!key || key->type != SK_DES) {
@@ -440,18 +400,18 @@ fb64_session(key, server, fbp)
 				key ? key->type : -1, SK_DES);
 		return;
 	}
-	memcpy((void *)fbp->krbdes_key, (void *)key->data, sizeof(Block));
+	memcpy((void *)fbp->krbdes_key, (void *)key->data, sizeof(des_cblock));
 
 	fb64_stream_key(fbp->krbdes_key, &fbp->streams[DIR_ENCRYPT-1]);
 	fb64_stream_key(fbp->krbdes_key, &fbp->streams[DIR_DECRYPT-1]);
 
 	if (fbp->once == 0) {
 #ifndef OLD_DES_RANDOM_KEY
-		des_init_random_number_generator(fbp->krbdes_key);
+		des_init_random_number_generator(&fbp->krbdes_key);
 #endif
 		fbp->once = 1;
 	}
-	des_key_sched(fbp->krbdes_key, fbp->krbdes_sched);
+	des_key_sched(&fbp->krbdes_key, fbp->krbdes_sched);
 	/*
 	 * Now look to see if krbdes_start() was was waiting for
 	 * the key to show up.  If so, go ahead an call it now
@@ -467,27 +427,18 @@ fb64_session(key, server, fbp)
  * We only accept a keyid of 0.  If we get a keyid of
  * 0, then mark the state as SUCCESS.
  */
-	int
-cfb64_keyid(dir, kp, lenp)
-	int dir, *lenp;
-	unsigned char *kp;
+
+int cfb64_keyid(int dir, unsigned char *kp, int *lenp)
 {
 	return(fb64_keyid(dir, kp, lenp, &fb[CFB]));
 }
 
-	int
-ofb64_keyid(dir, kp, lenp)
-	int dir, *lenp;
-	unsigned char *kp;
+int ofb64_keyid(int dir, unsigned char *kp, int *lenp)
 {
 	return(fb64_keyid(dir, kp, lenp, &fb[OFB]));
 }
 
-	int
-fb64_keyid(dir, kp, lenp, fbp)
-	int dir, *lenp;
-	unsigned char *kp;
-	struct fb *fbp;
+int fb64_keyid(int dir, unsigned char *kp, int *lenp, struct fb *fbp)
 {
 	register int state = fbp->state[dir-1];
 
@@ -504,10 +455,8 @@ fb64_keyid(dir, kp, lenp, fbp)
 	return(fbp->state[dir-1] = state);
 }
 
-	void
-fb64_printsub(data, cnt, buf, buflen, type)
-	unsigned char *data, *buf, *type;
-	int cnt, buflen;
+void fb64_printsub(unsigned char *data, int cnt, 
+		   unsigned char *buf, int buflen, char *type)
 {
 	char lbuf[32];
 	register int i;
@@ -547,47 +496,37 @@ fb64_printsub(data, cnt, buf, buflen, type)
 	}
 }
 
-	void
-cfb64_printsub(data, cnt, buf, buflen)
-	unsigned char *data, *buf;
-	int cnt, buflen;
+void cfb64_printsub(unsigned char *data, int cnt, 
+		    unsigned char *buf, int buflen)
 {
 	fb64_printsub(data, cnt, buf, buflen, "CFB64");
 }
 
-	void
-ofb64_printsub(data, cnt, buf, buflen)
-	unsigned char *data, *buf;
-	int cnt, buflen;
+void ofb64_printsub(unsigned char *data, int cnt,
+		    unsigned char *buf, int buflen)
 {
 	fb64_printsub(data, cnt, buf, buflen, "OFB64");
 }
 
-	void
-fb64_stream_iv(seed, stp)
-	Block seed;
-	register struct stinfo *stp;
+void fb64_stream_iv(des_cblock seed, struct stinfo *stp)
 {
 
-	memcpy((void *)stp->str_iv, (void *)seed,sizeof(Block));
-	memcpy((void *)stp->str_output, (void *)seed, sizeof(Block));
+	memcpy((void *)stp->str_iv, (void *)seed,sizeof(des_cblock));
+	memcpy((void *)stp->str_output, (void *)seed, sizeof(des_cblock));
 
-	des_key_sched(stp->str_ikey, stp->str_sched);
+	des_key_sched(&stp->str_ikey, stp->str_sched);
 
-	stp->str_index = sizeof(Block);
+	stp->str_index = sizeof(des_cblock);
 }
 
-	void
-fb64_stream_key(key, stp)
-	Block key;
-	register struct stinfo *stp;
+void fb64_stream_key(des_cblock key, register struct stinfo *stp)
 {
-	memcpy((void *)stp->str_ikey, (void *)key, sizeof(Block));
-	des_key_sched(key, stp->str_sched);
+	memcpy((void *)stp->str_ikey, (void *)key, sizeof(des_cblock));
+	des_key_sched((des_cblock*)key, stp->str_sched);
 
-	memcpy((void *)stp->str_output, (void *)stp->str_iv, sizeof(Block));
+	memcpy((void *)stp->str_output, (void *)stp->str_iv, sizeof(des_cblock));
 
-	stp->str_index = sizeof(Block);
+	stp->str_index = sizeof(des_cblock);
 }
 
 /*
@@ -612,20 +551,17 @@ fb64_stream_key(key, stp)
  *	V(n+1) = DES(On, key)
  */
 
-	void
-cfb64_encrypt(s, c)
-	register unsigned char *s;
-	int c;
+void cfb64_encrypt(unsigned char *s, int c)
 {
 	register struct stinfo *stp = &fb[CFB].streams[DIR_ENCRYPT-1];
 	register int index;
 
 	index = stp->str_index;
 	while (c-- > 0) {
-		if (index == sizeof(Block)) {
-			Block b;
-			des_ecb_encrypt(stp->str_output, b, stp->str_sched, 1);
-			memcpy((void *)stp->str_feed, (void *)b, sizeof(Block));
+		if (index == sizeof(des_cblock)) {
+			des_cblock b;
+			des_ecb_encrypt(&stp->str_output, &b,stp->str_sched, 1);
+			memcpy((void *)stp->str_feed, (void *)b, sizeof(des_cblock));
 			index = 0;
 		}
 
@@ -637,9 +573,7 @@ cfb64_encrypt(s, c)
 	stp->str_index = index;
 }
 
-	int
-cfb64_decrypt(data)
-	int data;
+int cfb64_decrypt(int data)
 {
 	register struct stinfo *stp = &fb[CFB].streams[DIR_DECRYPT-1];
 	int index;
@@ -656,10 +590,10 @@ cfb64_decrypt(data)
 	}
 
 	index = stp->str_index++;
-	if (index == sizeof(Block)) {
-		Block b;
-		des_ecb_encrypt(stp->str_output, b, stp->str_sched, 1);
-		memcpy((void *)stp->str_feed, (void *)b, sizeof(Block));
+	if (index == sizeof(des_cblock)) {
+		des_cblock b;
+		des_ecb_encrypt(&stp->str_output,&b, stp->str_sched, 1);
+		memcpy((void *)stp->str_feed, (void *)b, sizeof(des_cblock));
 		stp->str_index = 1;	/* Next time will be 1 */
 		index = 0;		/* But now use 0 */ 
 	}
@@ -688,20 +622,18 @@ cfb64_decrypt(data)
  *	V(n+1) = DES(Vn, key)
  *	On = Dn ^ Vn
  */
-	void
-ofb64_encrypt(s, c)
-	register unsigned char *s;
-	int c;
+
+void ofb64_encrypt(unsigned char *s, int c)
 {
 	register struct stinfo *stp = &fb[OFB].streams[DIR_ENCRYPT-1];
 	register int index;
 
 	index = stp->str_index;
 	while (c-- > 0) {
-		if (index == sizeof(Block)) {
-			Block b;
-			des_ecb_encrypt(stp->str_feed, b, stp->str_sched, 1);
-			memcpy((void *)stp->str_feed, (void *)b, sizeof(Block));
+		if (index == sizeof(des_cblock)) {
+			des_cblock b;
+			des_ecb_encrypt(&stp->str_feed,&b, stp->str_sched, 1);
+			memcpy((void *)stp->str_feed, (void *)b, sizeof(des_cblock));
 			index = 0;
 		}
 		*s++ ^= stp->str_feed[index];
@@ -710,9 +642,7 @@ ofb64_encrypt(s, c)
 	stp->str_index = index;
 }
 
-	int
-ofb64_decrypt(data)
-	int data;
+int ofb64_decrypt(int data)
 {
 	register struct stinfo *stp = &fb[OFB].streams[DIR_DECRYPT-1];
 	int index;
@@ -729,10 +659,10 @@ ofb64_decrypt(data)
 	}
 
 	index = stp->str_index++;
-	if (index == sizeof(Block)) {
-		Block b;
-		des_ecb_encrypt(stp->str_feed, b, stp->str_sched, 1);
-		memcpy((void *)stp->str_feed, (void *)b, sizeof(Block));
+	if (index == sizeof(des_cblock)) {
+		des_cblock b;
+		des_ecb_encrypt(&stp->str_feed,&b,stp->str_sched, 1);
+		memcpy((void *)stp->str_feed, (void *)b, sizeof(des_cblock));
 		stp->str_index = 1;	/* Next time will be 1 */
 		index = 0;		/* But now use 0 */ 
 	}
diff --git a/appl/telnet/libtelnet/encrypt.c b/appl/telnet/libtelnet/encrypt.c
index 9382b7320..b27474588 100644
--- a/appl/telnet/libtelnet/encrypt.c
+++ b/appl/telnet/libtelnet/encrypt.c
@@ -581,7 +581,7 @@ encrypt_is(data, cnt)
 	} else {
 		ret = (*ep->is)(data, cnt);
 		if (encrypt_debug_mode)
-			printf("(*ep->is)(%x, %d) returned %s(%d)\n", data, cnt,
+			printf("(*ep->is)(%p, %d) returned %s(%d)\n", data, cnt,
 				(ret < 0) ? "FAIL " :
 				(ret == 0) ? "SUCCESS " : "MORE_TO_DO ", ret);
 	}
@@ -625,7 +625,7 @@ encrypt_reply(data, cnt)
 	} else {
 		ret = (*ep->reply)(data, cnt);
 		if (encrypt_debug_mode)
-			printf("(*ep->reply)(%x, %d) returned %s(%d)\n",
+			printf("(*ep->reply)(%p, %d) returned %s(%d)\n",
 				data, cnt,
 				(ret < 0) ? "FAIL " :
 				(ret == 0) ? "SUCCESS " : "MORE_TO_DO ", ret);
@@ -741,27 +741,9 @@ encrypt_request_start(data, cnt)
 
 static unsigned char str_keyid[(MAXKEYLEN*2)+5] = { IAC, SB, TELOPT_ENCRYPT };
 
-encrypt_enc_keyid(keyid, len)
-	unsigned char *keyid;
-	int len;
-{
-	encrypt_keyid(&ki[1], keyid, len);
-}
-
-encrypt_dec_keyid(keyid, len)
-	unsigned char *keyid;
-	int len;
-{
-	encrypt_keyid(&ki[0], keyid, len);
-}
-
-encrypt_keyid(kp, keyid, len)
-	struct key_info *kp;
-	unsigned char *keyid;
-	int len;
+void encrypt_keyid(struct key_info *kp, unsigned char *keyid, int len)
 {
 	Encryptions *ep;
-	unsigned char *strp, *cp;
 	int dir = kp->dir;
 	register int ret = 0;
 
@@ -798,12 +780,18 @@ encrypt_keyid(kp, keyid, len)
 	encrypt_send_keyid(dir, kp->keyid, kp->keylen, 0);
 }
 
-	void
-encrypt_send_keyid(dir, keyid, keylen, saveit)
-	int dir;
-	unsigned char *keyid;
-	int keylen;
-	int saveit;
+void encrypt_enc_keyid(unsigned char *keyid, int len)
+{
+	encrypt_keyid(&ki[1], keyid, len);
+}
+
+void encrypt_dec_keyid(unsigned char *keyid, int len)
+{
+	encrypt_keyid(&ki[0], keyid, len);
+}
+
+
+void encrypt_send_keyid(int dir, unsigned char *keyid, int keylen, int saveit)
 {
 	unsigned char *strp;
 
@@ -954,10 +942,9 @@ encrypt_send_request_end()
 		printf(">>>%s: Request input to be clear text\r\n", Name);
 }
 
-	void
-encrypt_wait()
+
+void encrypt_wait(void)
 {
-	register int encrypt, decrypt;
 	if (encrypt_debug_mode)
 		printf(">>>%s: in encrypt_wait\r\n", Name);
 	if (!havesessionkey || !(I_SUPPORT_ENCRYPT & remote_supports_decrypt))
@@ -974,10 +961,8 @@ encrypt_debug(mode)
 	encrypt_debug_mode = mode;
 }
 
-	void
-encrypt_gen_printsub(data, cnt, buf, buflen)
-	unsigned char *data, *buf;
-	int cnt, buflen;
+void encrypt_gen_printsub(unsigned char *data, int cnt, 
+			  unsigned char *buf, int buflen)
 {
 	char tbuf[16], *cp;
 
diff --git a/appl/telnet/libtelnet/encrypt.h b/appl/telnet/libtelnet/encrypt.h
index cf783c845..0dad2e2b5 100644
--- a/appl/telnet/libtelnet/encrypt.h
+++ b/appl/telnet/libtelnet/encrypt.h
@@ -62,14 +62,10 @@
 #define	DIR_DECRYPT		1
 #define	DIR_ENCRYPT		2
 
-typedef	unsigned char Block[8];
-typedef unsigned char *BlockT;
-typedef struct { Block _B; } Schedule[16];
-
 #define	VALIDKEY(key)	( key[0] | key[1] | key[2] | key[3] | \
 			  key[4] | key[5] | key[6] | key[7])
 
-#define	SAMEKEY(k1, k2)	(!bcmp((void *)k1, (void *)k2, sizeof(Block)))
+#define	SAMEKEY(k1, k2)	(!bcmp((void *)k1, (void *)k2, sizeof(des_cblock)))
 
 typedef	struct {
 	short		type;
diff --git a/appl/telnet/libtelnet/genget.c b/appl/telnet/libtelnet/genget.c
index 7be384647..c3e351e1c 100644
--- a/appl/telnet/libtelnet/genget.c
+++ b/appl/telnet/libtelnet/genget.c
@@ -45,11 +45,9 @@ static char sccsid[] = "@(#)genget.c	8.2 (Berkeley) 5/30/95";
  * the length is returned.  If *s1 is a prefix of *s2,
  * the length of *s1 is returned.
  */
-	int
-isprefix(s1, s2)
-	register char *s1, *s2;
+
+int isprefix(char *s1, char *s2)
 {
-	register int n = 0;
 	char *os1;
 	register char c1, c2;
 
diff --git a/appl/telnet/libtelnet/kerberos5.c b/appl/telnet/libtelnet/kerberos5.c
index 669fc0396..54fc69876 100644
--- a/appl/telnet/libtelnet/kerberos5.c
+++ b/appl/telnet/libtelnet/kerberos5.c
@@ -131,7 +131,7 @@ static	krb5_authenticator authenticator;
 
 #define Voidptr krb5_pointer
 
-Block	session_key;
+des_cblock	session_key;
 
 	static int
 Data(ap, type, d, c)
@@ -430,12 +430,12 @@ kerberos5_is(ap, data, cnt)
 		    authdat->authenticator->subkey->keytype == KEYTYPE_DES) {
 		    memmove((Voidptr )session_key,
 			   (Voidptr )authdat->authenticator->subkey->contents,
-			   sizeof(Block));
+			   sizeof(des_cblock));
 		} else if (authdat->ticket->enc_part2->session->keytype ==
 			   KEYTYPE_DES) {
 		    memmove((Voidptr )session_key,
 			(Voidptr )authdat->ticket->enc_part2->session->contents,
-			sizeof(Block));
+			sizeof(des_cblock));
 		} else
 		    break;
 
@@ -518,7 +518,7 @@ kerberos5_reply(ap, data, cnt)
 
 		    tmpkey.keytype = KEYTYPE_DES;
 		    tmpkey.contents = session_key;
-		    tmpkey.length = sizeof(Block);
+		    tmpkey.length = sizeof(des_cblock);
 
 		    if (r = krb5_rd_rep(&inbuf, &tmpkey, &reply)) {
 			printf("[ Mutual authentication failed: %s ]\n",
diff --git a/appl/telnet/libtelnet/key-proto.h b/appl/telnet/libtelnet/key-proto.h
deleted file mode 100644
index 9668a775b..000000000
--- a/appl/telnet/libtelnet/key-proto.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/*-
- * Copyright (c) 1991, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- *	@(#)key-proto.h	8.1 (Berkeley) 6/4/93
- */
-
-/*
- * Copyright (C) 1990 by the Massachusetts Institute of Technology
- *
- * Export of this software from the United States of America is assumed
- * to require a specific license from the United States Government.
- * It is the responsibility of any person or organization contemplating
- * export to obtain such a license before exporting.
- *
- * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
- * distribute this software and its documentation for any purpose and
- * without fee is hereby granted, provided that the above copyright
- * notice appear in all copies and that both that copyright notice and
- * this permission notice appear in supporting documentation, and that
- * the name of M.I.T. not be used in advertising or publicity pertaining
- * to distribution of the software without specific, written prior
- * permission.  M.I.T. makes no representations about the suitability of
- * this software for any purpose.  It is provided "as is" without express
- * or implied warranty.
- */
-
-#ifndef	__KEY_PROTO__
-#define	__KEY_PROTO__
-
-#if	!defined(P)
-#ifdef	__STDC__
-#define	P(x)	x
-#else
-#define	P(x)	()
-#endif
-#endif
-
-int key_file_exists P((void));
-void key_lookup P((unsigned char *, Block));
-void key_stream_init P((Block, Block, int));
-unsigned char key_stream P((int, int));
-#endif
diff --git a/appl/telnet/libtelnet/krb4encpwd.c b/appl/telnet/libtelnet/krb4encpwd.c
index 432dac61c..668619f4a 100644
--- a/appl/telnet/libtelnet/krb4encpwd.c
+++ b/appl/telnet/libtelnet/krb4encpwd.c
@@ -113,7 +113,7 @@ static	KTEXT_ST auth;
 static	char name[ANAME_SZ];
 static	char user_passwd[ANAME_SZ];
 static	AUTH_DAT adat = { 0 };
-static Schedule sched;
+static des_key_schedule sched;
 static char  challenge[REALM_SZ];
 
 	static int
@@ -157,7 +157,7 @@ krb4encpwd_init(ap, server)
 	int server;
 {
 	char hostname[80], *cp, *realm;
-	C_Block skey;
+	des_clock skey;
 
 	if (server) {
 		str_data[3] = TELQUAL_REPLY;
@@ -202,7 +202,7 @@ krb4encpwd_is(ap, data, cnt)
 	int cnt;
 {
 	Session_Key skey;
-	Block datablock;
+	des_cblock datablock;
 	char  r_passwd[ANAME_SZ], r_user[ANAME_SZ];
 	char  lhostname[ANAME_SZ], *cp;
 	int r;
@@ -232,7 +232,7 @@ krb4encpwd_is(ap, data, cnt)
 		  return;
 		}
 
-		memmove((void *)session_key, (void *)adat.session, sizeof(Block));
+		memmove((void *)session_key, (void *)adat.session, sizeof(des_cblock));
 		Data(ap, KRB4_ENCPWD_ACCEPT, (void *)0, 0);
 		auth_finished(ap, AUTH_USER);
 		break;
@@ -242,7 +242,7 @@ krb4encpwd_is(ap, data, cnt)
 		 *  Take the received random challenge text and save
 		 *  for future authentication.
 		 */
-		memmove((void *)challenge, (void *)data, sizeof(Block));
+		memmove((void *)challenge, (void *)data, sizeof(des_cblock));
 		break;
 
 
@@ -280,7 +280,7 @@ krb4encpwd_reply(ap, data, cnt)
 {
 	Session_Key skey;
 	KTEXT_ST krb_token;
-	Block enckey;
+	des_cblock enckey;
 	CREDENTIALS cred;
 	int r;
 	char	randchal[REALM_SZ], instance[ANAME_SZ], *cp;
diff --git a/appl/telnet/libtelnet/rsaencpwd.c b/appl/telnet/libtelnet/rsaencpwd.c
index 68c4cd712..b6a3864bf 100644
--- a/appl/telnet/libtelnet/rsaencpwd.c
+++ b/appl/telnet/libtelnet/rsaencpwd.c
@@ -200,7 +200,7 @@ rsaencpwd_is(ap, data, cnt)
 	int cnt;
 {
 	Session_Key skey;
-	Block datablock;
+	des_cblock datablock;
 	char  r_passwd[PWD_SZ], r_user[NAME_SZ];
 	char  *cp, key[160];
 	char  chalkey[160], *ptr;
@@ -321,7 +321,7 @@ rsaencpwd_reply(ap, data, cnt)
 {
 	Session_Key skey;
 	KTEXT_ST token;
-	Block enckey;
+	des_cblock enckey;
 	int r, pubkey_len;
 	char	randchal[CHAL_SZ], *cp;
 	char	chalkey[160], pubkey[128], *ptr;
diff --git a/appl/telnet/libtelnet/spx.c b/appl/telnet/libtelnet/spx.c
index 95277df34..adfcf2e6c 100644
--- a/appl/telnet/libtelnet/spx.c
+++ b/appl/telnet/libtelnet/spx.c
@@ -100,8 +100,8 @@ static unsigned char str_name[1024] = { IAC, SB, TELOPT_AUTHENTICATION,
 #define	SPX_REJECT	1		/* Rejected (reason might follow) */
 #define SPX_ACCEPT	2		/* Accepted */
 
-static Schedule sched;
-static Block	challenge	= { 0 };
+static des_key_schedule sched;
+static des_cblock	challenge	= { 0 };
 
 
 /*******************************************************************/
@@ -200,7 +200,7 @@ spx_init(ap, server)
 spx_send(ap)
 	Authenticator *ap;
 {
-	Block enckey;
+	des_cblock enckey;
 	int r;
 
 	gss_OID	actual_mech_type, output_name_type;
@@ -312,7 +312,7 @@ spx_is(ap, data, cnt)
 	int cnt;
 {
 	Session_Key skey;
-	Block datablock;
+	des_cblock datablock;
 	int r;
 
 	if (cnt-- < 1)
diff --git a/appl/telnet/telnet/commands.c b/appl/telnet/telnet/commands.c
index 1cb6b94fb..ef0721bf0 100644
--- a/appl/telnet/telnet/commands.c
+++ b/appl/telnet/telnet/commands.c
@@ -56,7 +56,7 @@ static char sccsid[] = "@(#)commands.c	8.4 (Berkeley) 5/30/95";
 #include <netdb.h>
 #include <ctype.h>
 #include <pwd.h>
-#include <varargs.h>
+#include <stdarg.h>
 #include <errno.h>
 #include <stdlib.h>
 
@@ -81,7 +81,7 @@ static char sccsid[] = "@(#)commands.c	8.4 (Berkeley) 5/30/95";
 
 #ifndef	MAXHOSTNAMELEN
 #define	MAXHOSTNAMELEN 64
-#endif	MAXHOSTNAMELEN
+#endif
 
 #if	defined(IPPROTO_IP) && defined(IP_TOS)
 int tos = -1;
@@ -96,7 +96,8 @@ extern int isprefix();
 extern char **genget();
 extern int Ambiguous();
 
-static call();
+typedef int (*intrtn_t)(int, char**);
+static int call(intrtn_t, ...);
 
 typedef struct {
 	char	*name;		/* command name */
@@ -167,9 +168,7 @@ makeargv()
  * Todo:  1.  Could take random integers (12, 0x12, 012, 0b1).
  */
 
-	static
-special(s)
-	register char *s;
+static char special(char *s)
 {
 	register char c;
 	char b;
@@ -289,14 +288,10 @@ static struct sendlist Sendlist[] = {
 #define	GETSEND(name) ((struct sendlist *) genget(name, (char **) Sendlist, \
 				sizeof(struct sendlist)))
 
-    static int
-sendcmd(argc, argv)
-    int  argc;
-    char **argv;
+static int sendcmd(int argc, char **argv)
 {
     int count;		/* how many bytes we are going to need to send */
     int i;
-    int question = 0;	/* was at least one argument a question */
     struct sendlist *s;	/* pointer to current command */
     int success = 0;
     int needconnect = 0;
@@ -1085,8 +1080,7 @@ unsetcmd(argc, argv)
 #ifdef	KLUDGELINEMODE
 extern int kludgelinemode;
 
-    static int
-dokludgemode()
+static void dokludgemode(void)
 {
     kludgelinemode = 1;
     send_wont(TELOPT_LINEMODE, 1);
@@ -1437,11 +1431,7 @@ shell(argc, argv)
 extern int shell();
 #endif	/* !defined(TN3270) */
 
-    /*VARARGS*/
-    static
-bye(argc, argv)
-    int  argc;		/* Number of arguments */
-    char *argv[];	/* arguments */
+static int bye(int argc, char **argv)
 {
     extern int resettermname;
 
@@ -1464,11 +1454,10 @@ bye(argc, argv)
 	longjmp(toplevel, 1);
 	/* NOTREACHED */
     }
-    return 1;			/* Keep lint, etc., happy */
 }
 
 /*VARARGS*/
-quit()
+void quit(void)
 {
 	(void) call(bye, "bye", "fromquit", 0);
 	Exit(0);
@@ -1533,10 +1522,7 @@ getslc(name)
 		genget(name, (char **) SlcList, sizeof(struct slclist));
 }
 
-    static
-slccmd(argc, argv)
-    int  argc;
-    char *argv[];
+static int slccmd(int argc, char **argv)
 {
     struct slclist *c;
 
@@ -1630,9 +1616,7 @@ getenvcmd(name)
 		genget(name, (char **) EnvList, sizeof(struct envlist));
 }
 
-env_cmd(argc, argv)
-    int  argc;
-    char *argv[];
+int env_cmd(int argc, char **argv)
 {
     struct envlist *c;
 
@@ -1854,7 +1838,7 @@ env_default(init, welldefined)
 
 	if (init) {
 		nep = &envlisthead;
-		return;
+		return NULL;
 	}
 	if (nep) {
 		while (nep = nep->next) {
@@ -1961,9 +1945,7 @@ auth_help()
     return 0;
 }
 
-auth_cmd(argc, argv)
-    int  argc;
-    char *argv[];
+int auth_cmd(int argc, char **argv)
 {
     struct authlist *c;
 
@@ -2068,9 +2050,7 @@ EncryptHelp()
     return 0;
 }
 
-encrypt_cmd(argc, argv)
-    int  argc;
-    char *argv[];
+int encrypt_cmd(int argc, char **argv)
 {
     struct encryptlist *c;
 
@@ -2148,11 +2128,8 @@ filestuff(fd)
 /*
  * Print status about the connection.
  */
-    /*ARGSUSED*/
-    static
-status(argc, argv)
-    int	 argc;
-    char *argv[];
+
+static int status(int argc, char **argv)
 {
     if (connected) {
 	printf("Connected to %s.\n", hostname);
@@ -2230,10 +2207,91 @@ ayt_status()
 
 unsigned long inet_addr();
 
-    int
-tn(argc, argv)
-    int argc;
-    char *argv[];
+static char *rcname = 0;
+static char rcbuf[128];
+
+static Command *getcmd(char *name);
+
+static void cmdrc(char *m1, char *m2)
+{
+    register Command *c;
+    FILE *rcfile;
+    int gotmachine = 0;
+    int l1 = strlen(m1);
+    int l2 = strlen(m2);
+    char m1save[64];
+
+    if (skiprc)
+	return;
+
+    strcpy(m1save, m1);
+    m1 = m1save;
+
+    if (rcname == 0) {
+	rcname = getenv("HOME");
+	if (rcname)
+	    strcpy(rcbuf, rcname);
+	else
+	    rcbuf[0] = '\0';
+	strcat(rcbuf, "/.telnetrc");
+	rcname = rcbuf;
+    }
+
+    if ((rcfile = fopen(rcname, "r")) == 0) {
+	return;
+    }
+
+    for (;;) {
+	if (fgets(line, sizeof(line), rcfile) == NULL)
+	    break;
+	if (line[0] == 0)
+	    break;
+	if (line[0] == '#')
+	    continue;
+	if (gotmachine) {
+	    if (!isspace(line[0]))
+		gotmachine = 0;
+	}
+	if (gotmachine == 0) {
+	    if (isspace(line[0]))
+		continue;
+	    if (strncasecmp(line, m1, l1) == 0)
+		strncpy(line, &line[l1], sizeof(line) - l1);
+	    else if (strncasecmp(line, m2, l2) == 0)
+		strncpy(line, &line[l2], sizeof(line) - l2);
+	    else if (strncasecmp(line, "DEFAULT", 7) == 0)
+		strncpy(line, &line[7], sizeof(line) - 7);
+	    else
+		continue;
+	    if (line[0] != ' ' && line[0] != '\t' && line[0] != '\n')
+		continue;
+	    gotmachine = 1;
+	}
+	makeargv();
+	if (margv[0] == 0)
+	    continue;
+	c = getcmd(margv[0]);
+	if (Ambiguous(c)) {
+	    printf("?Ambiguous command: %s\n", margv[0]);
+	    continue;
+	}
+	if (c == 0) {
+	    printf("?Invalid command: %s\n", margv[0]);
+	    continue;
+	}
+	/*
+	 * This should never happen...
+	 */
+	if (c->needconnect && !connected) {
+	    printf("?Need to be connected first for %s.\n", margv[0]);
+	    continue;
+	}
+	(*c->handler)(margc, margv);
+    }
+    fclose(rcfile);
+}
+
+int tn(int argc, char **argv)
 {
     register struct hostent *host = 0;
     struct sockaddr_in sin;
@@ -2444,7 +2502,7 @@ tn(argc, argv)
 
 	user = getenv("USER");
 	if (user == NULL ||
-	    (pw = getpwnam(user)) && pw->pw_uid != getuid()) {
+	    ((pw = getpwnam(user)) && pw->pw_uid != getuid())) {
 		if (pw = getpwuid(getuid()))
 			user = pw->pw_name;
 		else
@@ -2528,7 +2586,7 @@ static Command cmdtab[] = {
 #endif
 	{ "environ",	envhelp,	env_cmd,	0 },
 	{ "?",		helphelp,	help,		0 },
-	0
+	{ 0,            0,              0,              0 }
 };
 
 static char	crmodhelp[] =	"deprecated command -- use 'toggle crmod' instead";
@@ -2538,7 +2596,7 @@ static Command cmdtab2[] = {
 	{ "help",	0,		help,		0 },
 	{ "escape",	escapehelp,	setescape,	0 },
 	{ "crmod",	crmodhelp,	togcrmod,	0 },
-	0
+	{ 0,            0,		0, 		0 }
 };
 
 
@@ -2546,30 +2604,20 @@ static Command cmdtab2[] = {
  * Call routine with argc, argv set from args (terminated by 0).
  */
 
-    /*VARARGS1*/
-    static
-call(va_alist)
-    va_dcl
+static int call(intrtn_t routine, ...)
 {
     va_list ap;
-    typedef int (*intrtn_t)();
-    intrtn_t routine;
     char *args[100];
     int argno = 0;
 
-    va_start(ap);
-    routine = (va_arg(ap, intrtn_t));
-    while ((args[argno++] = va_arg(ap, char *)) != 0) {
-	;
-    }
+    va_start(ap, routine);
+    while ((args[argno++] = va_arg(ap, char *)) != 0);
     va_end(ap);
     return (*routine)(argno-1, args);
 }
 
 
-    static Command *
-getcmd(name)
-    char *name;
+static Command *getcmd(char *name)
 {
     Command *cm;
 
@@ -2662,10 +2710,7 @@ command(top, tbuf, cnt)
 /*
  * Help command.
  */
-	static
-help(argc, argv)
-	int argc;
-	char *argv[];
+static int help(int argc, char **argv)
 {
 	register Command *c;
 
@@ -2692,88 +2737,6 @@ help(argc, argv)
 	return 0;
 }
 
-static char *rcname = 0;
-static char rcbuf[128];
-
-cmdrc(m1, m2)
-	char *m1, *m2;
-{
-    register Command *c;
-    FILE *rcfile;
-    int gotmachine = 0;
-    int l1 = strlen(m1);
-    int l2 = strlen(m2);
-    char m1save[64];
-
-    if (skiprc)
-	return;
-
-    strcpy(m1save, m1);
-    m1 = m1save;
-
-    if (rcname == 0) {
-	rcname = getenv("HOME");
-	if (rcname)
-	    strcpy(rcbuf, rcname);
-	else
-	    rcbuf[0] = '\0';
-	strcat(rcbuf, "/.telnetrc");
-	rcname = rcbuf;
-    }
-
-    if ((rcfile = fopen(rcname, "r")) == 0) {
-	return;
-    }
-
-    for (;;) {
-	if (fgets(line, sizeof(line), rcfile) == NULL)
-	    break;
-	if (line[0] == 0)
-	    break;
-	if (line[0] == '#')
-	    continue;
-	if (gotmachine) {
-	    if (!isspace(line[0]))
-		gotmachine = 0;
-	}
-	if (gotmachine == 0) {
-	    if (isspace(line[0]))
-		continue;
-	    if (strncasecmp(line, m1, l1) == 0)
-		strncpy(line, &line[l1], sizeof(line) - l1);
-	    else if (strncasecmp(line, m2, l2) == 0)
-		strncpy(line, &line[l2], sizeof(line) - l2);
-	    else if (strncasecmp(line, "DEFAULT", 7) == 0)
-		strncpy(line, &line[7], sizeof(line) - 7);
-	    else
-		continue;
-	    if (line[0] != ' ' && line[0] != '\t' && line[0] != '\n')
-		continue;
-	    gotmachine = 1;
-	}
-	makeargv();
-	if (margv[0] == 0)
-	    continue;
-	c = getcmd(margv[0]);
-	if (Ambiguous(c)) {
-	    printf("?Ambiguous command: %s\n", margv[0]);
-	    continue;
-	}
-	if (c == 0) {
-	    printf("?Invalid command: %s\n", margv[0]);
-	    continue;
-	}
-	/*
-	 * This should never happen...
-	 */
-	if (c->needconnect && !connected) {
-	    printf("?Need to be connected first for %s.\n", margv[0]);
-	    continue;
-	}
-	(*c->handler)(margc, margv);
-    }
-    fclose(rcfile);
-}
 
 #if	defined(IP_OPTIONS) && defined(IPPROTO_IP)
 
diff --git a/appl/telnet/telnet/externs.h b/appl/telnet/telnet/externs.h
index 582a90acf..f394023a0 100644
--- a/appl/telnet/telnet/externs.h
+++ b/appl/telnet/telnet/externs.h
@@ -138,7 +138,7 @@ extern int
     crmod,
     netdata,		/* Print out network data flow */
     prettydump,		/* Print "netdata" output in user readable format */
-#if	defined(unix)
+#if defined(unix) || defined(__unix__) || defined(__unix)
 #if	defined(TN3270)
     cursesdata,		/* Print out curses data flow */
     apitrace,		/* Trace API transactions */
@@ -310,6 +310,8 @@ extern int
 extern cc_t
     *tcval P((int));
 
+extern void quit P((void));
+
 #ifndef	USE_TERMIO
 
 extern struct	tchars ntc;
diff --git a/appl/telnet/telnet/ring.c b/appl/telnet/telnet/ring.c
index 70b90de84..fe65ebc2d 100644
--- a/appl/telnet/telnet/ring.c
+++ b/appl/telnet/telnet/ring.c
@@ -101,10 +101,7 @@ static u_long ring_clock = 0;
 
 /* Buffer state transition routines */
 
-    ring_init(ring, buffer, count)
-Ring *ring;
-    unsigned char *buffer;
-    int count;
+int ring_init(Ring *ring, unsigned char *buffer, int count)
 {
     memset((char *)ring, 0, sizeof *ring);
 
diff --git a/appl/telnet/telnetd/sys_term.c b/appl/telnet/telnetd/sys_term.c
index dde337c27..a3b93a4a5 100644
--- a/appl/telnet/telnetd/sys_term.c
+++ b/appl/telnet/telnetd/sys_term.c
@@ -1432,7 +1432,7 @@ startslave(host, autologin, autoname)
 #ifdef ENCRYPTION
 	if (encrypt_output == 0 || decrypt_input == 0)
 #endif
-	  writenet(tbuf, strlen(tbuf));
+	  writenet((unsigned char*)tbuf, strlen(tbuf));
       }
 #ifndef	NEWINIT
 # ifdef	PARENT_DOES_UTMP
diff --git a/appl/telnet/telnetd/telnetd.c b/appl/telnet/telnetd/telnetd.c
index b641f180f..e7595715b 100644
--- a/appl/telnet/telnetd/telnetd.c
+++ b/appl/telnet/telnetd/telnetd.c
@@ -165,8 +165,9 @@ char valid_opts[] = {
 	'\0'
 };
 
-main(argc, argv)
-	char *argv[];
+void doit(struct sockaddr_in*);
+
+int main(int argc, char **argv)
 {
 	struct sockaddr_in from;
 	int on = 1, fromlen;
@@ -787,8 +788,7 @@ extern void telnet P((int, int, char *));
 /*
  * Get a pty, scan input lines.
  */
-doit(who)
-	struct sockaddr_in *who;
+void doit(struct sockaddr_in *who)
 {
 	char *host, *inet_ntoa();
 	int t;
diff --git a/appl/telnet/telnetd/utility.c b/appl/telnet/telnetd/utility.c
index f8083be2e..cd14ab3bc 100644
--- a/appl/telnet/telnetd/utility.c
+++ b/appl/telnet/telnetd/utility.c
@@ -978,7 +978,6 @@ printsub(direction, pointer, length)
 			    break;
 
 			default:
-			def_case:
 			    if (isprint(pointer[i]) && pointer[i] != '"') {
 				if (noquote) {
 				    *nfrontp++ = '"';
diff --git a/lib/des/Makefile.in b/lib/des/Makefile.in
index c258c00bc..d57e6d5ce 100644
--- a/lib/des/Makefile.in
+++ b/lib/des/Makefile.in
@@ -34,13 +34,13 @@ SOURCES = cbc_cksm.c cbc_enc.c ecb_enc.c pcbc_enc.c \
         qud_cksm.c read_pwd.c set_key.c str2key.c \
         cfb_enc.c \
 	3ecb_enc.c ofb_enc.c 3cbc_enc.c rnd_keys.c key_par.c \
-	enc_read.c enc_writ.c gethostid.c fcrypt.c
+	enc_read.c enc_writ.c fcrypt.c
 
 OBJECTS = cbc_cksm.o cbc_enc.o ecb_enc.o pcbc_enc.o \
         qud_cksm.o read_pwd.o set_key.o str2key.o \
         cfb_enc.o \
 	3ecb_enc.o ofb_enc.o 3cbc_enc.o rnd_keys.o key_par.o \
-	enc_read.o enc_writ.o gethostid.o fcrypt.o
+	enc_read.o enc_writ.o fcrypt.o
 
 all: $(LIB)
 
diff --git a/lib/des/gethostid.c b/lib/des/gethostid.c
deleted file mode 100644
index c6c68979b..000000000
--- a/lib/des/gethostid.c
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- *
- * Some systems doesn't have gethostid(2) (e.g Solaris if you don't
- * link with libucb - and we don't want that...
- *
- * $Id$
- *
- */
-
-
-#include "config.h"
-
-#ifndef HAVE_GETHOSTID
-
-#include <stdio.h>
-#include <sys/systeminfo.h>
-
-long gethostid(void)
-{
-  static int flag=0;
-  static long hostid;
-  if(!flag){
-    char s[32];
-    sysinfo(SI_HW_SERIAL, s, 32);
-    sscanf(s, "%u", &hostid);
-    flag=1;
-  }
-  return hostid;
-}
-
-#endif
diff --git a/lib/des/rnd_keys.c b/lib/des/rnd_keys.c
index 59c7c8945..efddf2777 100644
--- a/lib/des/rnd_keys.c
+++ b/lib/des/rnd_keys.c
@@ -72,6 +72,25 @@ des_new_random_key(des_cblock *key)
   return(0);
 }
 
+/* this is for broken Solaris */
+#ifndef HAVE_GETHOSTID 
+
+#include <sys/systeminfo.h>
+
+static long gethostid(void)
+{
+  static int flag=0;
+  static long hostid;
+  if(!flag){
+    char s[32];
+    sysinfo(SI_HW_SERIAL, s, 32);
+    sscanf(s, "%u", &hostid);
+    flag=1;
+  }
+  return hostid;
+}
+#endif
+
 /*
  * des_init_random_number_generator:
  *