diff --git a/bin/named/server.c b/bin/named/server.c
index fc14c815bd..e2585974fe 100644
--- a/bin/named/server.c
+++ b/bin/named/server.c
@@ -58,7 +58,7 @@ dns_db_t *db;
 /*
  * For debugging only... XXX
  */
-void dump_packet(char *buf, u_int len);
+void dump_packet(unsigned char *buf, u_int len);
 
 static void
 makename(isc_mem_t *mctx, char *text, dns_name_t *name, dns_name_t *origin) {
diff --git a/bin/named/wire_debug.c b/bin/named/wire_debug.c
index 2927574a3c..9911326b43 100644
--- a/bin/named/wire_debug.c
+++ b/bin/named/wire_debug.c
@@ -54,7 +54,7 @@ typedef struct dns_message {
 } dns_message_t;
 
 void
-dump_packet(char *buf, u_int len);
+dump_packet(unsigned char *buf, u_int len);
 
 dns_result_t
 resolve_packet(dns_db_t *db, isc_buffer_t *source, isc_buffer_t *target);
@@ -67,7 +67,7 @@ void getmessage(dns_message_t *message, isc_buffer_t *source,
 dns_result_t printmessage(dns_message_t *message);
 
 void
-dump_packet(char *buf, u_int len)
+dump_packet(unsigned char *buf, u_int len)
 {
 	extern dns_decompress_t dctx;
 	extern unsigned int rdcount, rlcount, ncount;
diff --git a/lib/dns/rbt.c b/lib/dns/rbt.c
index cb6e4da909..445e4d8627 100644
--- a/lib/dns/rbt.c
+++ b/lib/dns/rbt.c
@@ -1360,7 +1360,8 @@ static int
 cmp_label(dns_label_t *a, dns_label_t *b) {
 	int i;
 
-	i = strncasecmp(a->base, b->base, MIN(a->length, b->length));
+	i = strncasecmp((char *)a->base, (char *)b->base,
+			MIN(a->length, b->length));
 
 	if (i == 0 && a->length != b->length)
 		return(a->length < b->length ? -1 : 1);
diff --git a/lib/dns/rbtdb.c b/lib/dns/rbtdb.c
index 341279ceff..86c90e905e 100644
--- a/lib/dns/rbtdb.c
+++ b/lib/dns/rbtdb.c
@@ -427,7 +427,7 @@ add_rdataset_callback(dns_name_t *name, dns_rdataset_t *rdataset,
 static dns_result_t
 load(dns_db_t *db, char *filename) {
 	dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db;
-	unsigned int soacount, nscount;
+	int soacount, nscount;
 
 	REQUIRE(VALID_RBTDB(rbtdb));
 
diff --git a/lib/dns/rdata.c b/lib/dns/rdata.c
index 97c003a2d9..798a0918e0 100644
--- a/lib/dns/rdata.c
+++ b/lib/dns/rdata.c
@@ -15,7 +15,7 @@
  * SOFTWARE.
  */
 
- /* $Id: rdata.c,v 1.19 1999/02/01 21:34:51 marka Exp $ */
+ /* $Id: rdata.c,v 1.20 1999/02/02 01:18:19 halley Exp $ */
 
 #include <config.h>
 
@@ -433,12 +433,12 @@ txt_totext(isc_region_t *source, isc_buffer_t *target) {
 	unsigned int tl;
 	unsigned int n;
 	unsigned char *sp;
-	unsigned char *tp;
+	char *tp;
 	isc_region_t region;
 
 	isc_buffer_available(target, &region);
 	sp = source->base;
-	tp = region.base;
+	tp = (char *)region.base;
 	tl = region.length;
 
 	n = *sp++;
@@ -473,7 +473,7 @@ txt_totext(isc_region_t *source, isc_buffer_t *target) {
 		return (DNS_R_NOSPACE);
 	*tp++ = '"';
 	tl--;
-	isc_buffer_add(target, tp - region.base);
+	isc_buffer_add(target, tp - (char *)region.base);
 	isc_region_consume(source, *source->base + 1);
 	return (DNS_R_SUCCESS);
 }