update tcp_connect arguments and cleanup uninitialized warnings in examples

tls/client-callback.c

@@ -185,7 +185,7 @@ int Client(const char* ip, word16 port)
     if ((ssl = wolfSSL_new(ctx)) == NULL)
         err_sys("issue when creating ssl");
 
-    tcp_connect(&fd, ip, port, 0, ssl);
+    tcp_connect(&fd, ip, port, 0, 0, ssl);
     wolfSSL_set_fd(ssl, fd);
     if (wolfSSL_connect(ssl) != SSL_SUCCESS)
         err_sys("client connect failed");

tls/server-callback.c

@@ -179,7 +179,7 @@ int Server(word16 port)
     wolfSSL_SetIORecv(ctx, CbIORecv);
     wolfSSL_SetIOSend(ctx, CbIOSend);
 
-    tcp_accept(&listenfd, &connfd, NULL, port, 1, 0, 0, 1);
+    tcp_accept(&listenfd, &connfd, NULL, 0, port, 1, 0, 0, 1);
         
     if (connfd < 0) {
         err_sys("Fatal error : accept error");

tls/server-tls-ecdhe.c

@@ -125,7 +125,7 @@ int main()
     int loopExit = 0; /* 0 = False, 1 = True */
     int ret      = 0; /* Return value */
     /* Server and client socket address structures */
-    struct sockaddr_in serverAddr, clientAddr;
+    struct sockaddr_in serverAddr = {0}, clientAddr = {0};
     char* cipherList = "ECDHE-ECDSA-CHACHA20-POLY1305";
 
     /* Initialize wolfSSL */

tls/server-tls-nonblocking.c

@@ -207,7 +207,7 @@ int main()
     WOLFSSL_CTX* ctx;
 
     /* Server and Client socket address structures */
-    struct sockaddr_in serverAddr, clientAddr;
+    struct sockaddr_in serverAddr = {0}, clientAddr = {0};
 
     /* Initialize the server address struct to zero */
     memset((char *)&serverAddr, 0, sizeof(serverAddr)); 

tls/server-tls-threaded.c

@@ -135,7 +135,7 @@ int main()
     int loopExit = 0; /* 0 = False, 1 = True */
 
     /* Server and Client socket address structures */
-    struct sockaddr_in serverAddr, clientAddr;
+    struct sockaddr_in serverAddr = {0}, clientAddr = {0};
 
     /* Initialize the server address struct to zero */
     memset((char *)&serverAddr, 0, sizeof(serverAddr)); 

tls/server-tls.c

@@ -123,7 +123,7 @@ int main()
     int loopExit = 0; /* 0 = False, 1 = True */
     int ret      = 0; /* Return value */
     /* Server and client socket address structures */
-    struct sockaddr_in serverAddr, clientAddr;
+    struct sockaddr_in serverAddr = {0}, clientAddr = {0};
 
     /* Initialize wolfSSL */
     wolfSSL_Init();