diff --git a/cde/lib/tt/bin/ttdbserverd/db_server_svc.C b/cde/lib/tt/bin/ttdbserverd/db_server_svc.C
index b8bce583b..fbec3d418 100644
--- a/cde/lib/tt/bin/ttdbserverd/db_server_svc.C
+++ b/cde/lib/tt/bin/ttdbserverd/db_server_svc.C
@@ -213,14 +213,14 @@ main(int argc, char** argv, char **envp)
 	char *progname;
 	void install_signal_handler();
 	SVCXPRT *transp;
- 	struct sockaddr_in saddr;
+	struct sockaddr_in saddr;
 #if defined(DEC) || defined(HPUX)
- 	int asize = sizeof(struct sockaddr);
+	int asize = sizeof(saddr);
 #else
 # if defined(linux) || defined(CSRG_BASED) || defined(sun)
- 	socklen_t asize;
+	socklen_t asize = sizeof(saddr);
 # else
- 	size_t asize = sizeof(struct sockaddr);
+	size_t asize = sizeof(saddr);
 # endif
 #endif
 	int is_aix = 0;
@@ -232,7 +232,7 @@ main(int argc, char** argv, char **envp)
 	struct t_info info;
 #endif
 
-	memset((char *)&saddr,0,sizeof(struct sockaddr));
+	memset(&saddr, 0, sizeof(saddr));
 
 #if defined(OPT_TLI)
 	memset((char *)&info,0,sizeof info);
diff --git a/cde/lib/tt/lib/api/c/api_pattern.C b/cde/lib/tt/lib/api/c/api_pattern.C
index d3cd6805c..88d7be158 100644
--- a/cde/lib/tt/lib/api/c/api_pattern.C
+++ b/cde/lib/tt/lib/api/c/api_pattern.C
@@ -1159,7 +1159,7 @@ _tt_pattern_context_add(Tt_pattern p, const char *slotname, const char *value)
 {
 	_Tt_pattern_ptr		pat = _tt_htab->lookup_pat(p);
 	_Tt_pat_context_ptr	cntxt;
-	Tt_status		status;
+	Tt_status		status = TT_OK;
 
 	int add = 0;
 	cntxt = pat->context(slotname);
@@ -1175,7 +1175,7 @@ _tt_pattern_context_add(Tt_pattern p, const char *slotname, const char *value)
 		add = 1;
 	}
 	// NULL value means leave value unset (which matches everything)
-	if (value != (char *)0) {
+	if (value != NULL) {
 		_Tt_string valString(value);
 		status = cntxt->addValue(valString);
 		if (status != TT_OK) {
@@ -1277,7 +1277,7 @@ _tt_pattern_bcontext_add(Tt_pattern p, const char *slotname,
 {
 	_Tt_pattern_ptr		pat = _tt_htab->lookup_pat(p);
 	_Tt_pat_context_ptr	cntxt;
-	Tt_status		status;
+	Tt_status		status = TT_OK;
 
 
 	int add = 0;
@@ -1294,7 +1294,7 @@ _tt_pattern_bcontext_add(Tt_pattern p, const char *slotname,
 		add = 1;
 	}
 	// NULL value means leave value unset (which matches everything)
-	if (value != (unsigned char *)0) {
+	if (value != NULL) {
 		_Tt_string valString( value, len );
 
 		status = cntxt->addValue( valString );
diff --git a/cde/lib/tt/lib/mp/mp_stream_socket.C b/cde/lib/tt/lib/mp/mp_stream_socket.C
index fb2ba5af3..f92215ffe 100644
--- a/cde/lib/tt/lib/mp/mp_stream_socket.C
+++ b/cde/lib/tt/lib/mp/mp_stream_socket.C
@@ -178,7 +178,8 @@ init(int init_as_source)
 #else
 	int		len;
 #endif
-	int		optval;
+	int		optval = 1;
+
 	_sock = socket(AF_INET, SOCK_STREAM, 0);
 	if (_sock < 0) {
 		_tt_syslog( 0, LOG_ERR,
@@ -194,7 +195,6 @@ init(int init_as_source)
 	_is_source = init_as_source;
 	if (init_as_source) { /* 'from' end of socket */
 #if !defined(OPT_TLI)
-		optval = 1;
 #ifndef linux
 		if (setsockopt(_sock, SOL_SOCKET, SO_USELOOPBACK,
 			       (char *)&optval, sizeof(int)) == -1) {
diff --git a/cde/lib/tt/mini_isam/isbuild.c b/cde/lib/tt/mini_isam/isbuild.c
index 517d057d0..91316346a 100644
--- a/cde/lib/tt/mini_isam/isbuild.c
+++ b/cde/lib/tt/mini_isam/isbuild.c
@@ -206,7 +206,7 @@ _ambuild(isfname, openmode, varflag, minlen, maxlen, primkey,
 {
     Fcb			*fcb = NULL;
     Bytearray		*isfhandle2;
-    Bytearray		isfhandle0;
+    Bytearray		isfhandle0 = _bytearr_getempty();
     Keydesc2		keydesc2;
     int			err;
     Crp			*crp;
diff --git a/cde/lib/tt/mini_isam/isgarbage.c b/cde/lib/tt/mini_isam/isgarbage.c
index 521ca521c..c270e5d95 100644
--- a/cde/lib/tt/mini_isam/isgarbage.c
+++ b/cde/lib/tt/mini_isam/isgarbage.c
@@ -36,7 +36,7 @@ isgarbage(char * isfname)
 	char			isfname2[MAXPATHLEN];
 	int			isfd = -1, isfd2 = -1;
 	char			buffer[ISMAXRECLEN];
-	char			*recbuf;
+	char			*recbuf = NULL;
 	struct dictinfo 	info;
 	struct keydesc		keybuf;
 	struct stat		statbuf;
@@ -121,7 +121,9 @@ isgarbage(char * isfname)
 		(void)isclose(isfd2);
 		(void)iserase(isfname2);
 	}
-	if (recbuf != buffer) free(recbuf);
+	if ((recbuf != buffer) && (recbuf != NULL)) {
+		free(recbuf);
+	}
 	return (ISERROR);
 }