diff --git a/dtls/client-dtls-nonblocking.c b/dtls/client-dtls-nonblocking.c
index 2cad1777..e218505e 100644
--- a/dtls/client-dtls-nonblocking.c
+++ b/dtls/client-dtls-nonblocking.c
@@ -1,3 +1,4 @@
+#include <unistd.h>
 #include <cyassl/ssl.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -122,7 +123,6 @@ int main (int argc, char** argv)
     CYASSL_CTX* 	ctx = 0;
     CYASSL* 		sslResume = 0;
     CYASSL_SESSION*	session = 0;
-    int     		resumeSession = 0;
     char            cert_array[] = "../cyassl/certs/ca-cert.pem";
     char*           certs = cert_array;
     char*           srTest = "testing session resume";
diff --git a/dtls/client-dtls-resume.c b/dtls/client-dtls-resume.c
index f384a675..99cf6a1e 100644
--- a/dtls/client-dtls-resume.c
+++ b/dtls/client-dtls-resume.c
@@ -1,3 +1,4 @@
+#include <unistd.h>
 #include <cyassl/ssl.h>
 #include <cyassl/options.h>
 #include <netdb.h>
diff --git a/dtls/client-dtls.c b/dtls/client-dtls.c
index 9991c7c4..a6243387 100644
--- a/dtls/client-dtls.c
+++ b/dtls/client-dtls.c
@@ -1,3 +1,4 @@
+#include <unistd.h>
 #include <cyassl/ssl.h>
 #include <cyassl/options.h>
 #include <netdb.h>
@@ -16,7 +17,7 @@
 void DatagramClient (CYASSL* ssl) 
 {
     int  n = 0;
-    char m, sendLine[MAXLINE], recvLine[MAXLINE - 1];
+    char sendLine[MAXLINE], recvLine[MAXLINE - 1];
 
     while (fgets(sendLine, MAXLINE, stdin) != NULL) {