diff --git a/programs/ssl/ssl_client1.c b/programs/ssl/ssl_client1.c
index 3f7256f..8c7370f 100644
--- a/programs/ssl/ssl_client1.c
+++ b/programs/ssl/ssl_client1.c
@@ -20,17 +20,17 @@
 #include "mbedtls/build_info.h"
 
 #if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
+#    include "mbedtls/platform.h"
 #else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_time            time
-#define mbedtls_time_t          time_t
-#define mbedtls_fprintf         fprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
+#    include <stdio.h>
+#    include <stdlib.h>
+#    define mbedtls_time         time
+#    define mbedtls_time_t       time_t
+#    define mbedtls_fprintf      fprintf
+#    define mbedtls_printf       printf
+#    define mbedtls_exit         exit
+#    define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#    define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
 #endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) ||     \
@@ -38,45 +38,43 @@
     !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_RSA_C) ||            \
     !defined(MBEDTLS_PEM_PARSE_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
     !defined(MBEDTLS_X509_CRT_PARSE_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C and/or "
-           "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or "
-           "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
-           "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
-           "not defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or "
+                   "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+                   "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
+                   "not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
-#include "mbedtls/net_sockets.h"
-#include "mbedtls/debug.h"
-#include "mbedtls/ssl.h"
-#include "mbedtls/entropy.h"
-#include "mbedtls/ctr_drbg.h"
-#include "mbedtls/error.h"
-#include "test/certs.h"
+#    include "mbedtls/net_sockets.h"
+#    include "mbedtls/debug.h"
+#    include "mbedtls/ssl.h"
+#    include "mbedtls/entropy.h"
+#    include "mbedtls/ctr_drbg.h"
+#    include "mbedtls/error.h"
+#    include "test/certs.h"
 
-#include <string.h>
+#    include <string.h>
 
-#define SERVER_PORT "4433"
-#define SERVER_NAME "localhost"
-#define GET_REQUEST "GET / HTTP/1.0\r\n\r\n"
+#    define SERVER_PORT "4433"
+#    define SERVER_NAME "localhost"
+#    define GET_REQUEST "GET / HTTP/1.0\r\n\r\n"
 
-#define DEBUG_LEVEL 1
+#    define DEBUG_LEVEL 1
 
-
-static void my_debug( void *ctx, int level,
-                      const char *file, int line,
-                      const char *str )
+static void
+my_debug(void *ctx, int level, const char *file, int line, const char *str)
 {
-    ((void) level);
+    ((void)level);
 
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
-    fflush(  (FILE *) ctx  );
+    mbedtls_fprintf((FILE *)ctx, "%s:%04d: %s", file, line, str);
+    fflush((FILE *)ctx);
 }
 
-int main( void )
+int main(void)
 {
     int ret = 1, len;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -91,227 +89,223 @@
     mbedtls_ssl_config conf;
     mbedtls_x509_crt cacert;
 
-#if defined(MBEDTLS_DEBUG_C)
-    mbedtls_debug_set_threshold( DEBUG_LEVEL );
-#endif
+#    if defined(MBEDTLS_DEBUG_C)
+    mbedtls_debug_set_threshold(DEBUG_LEVEL);
+#    endif
 
     /*
      * 0. Initialize the RNG and the session data
      */
-    mbedtls_net_init( &server_fd );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-    mbedtls_x509_crt_init( &cacert );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_net_init(&server_fd);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+    mbedtls_x509_crt_init(&cacert);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    mbedtls_entropy_init( &entropy );
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+    mbedtls_entropy_init(&entropy);
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *)pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 0. Initialize certificates
      */
-    mbedtls_printf( "  . Loading the CA root certificate ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the CA root certificate ...");
+    fflush(stdout);
 
-    ret = mbedtls_x509_crt_parse( &cacert, (const unsigned char *) mbedtls_test_cas_pem,
-                          mbedtls_test_cas_pem_len );
-    if( ret < 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n", (unsigned int) -ret );
+    ret = mbedtls_x509_crt_parse(&cacert,
+                                 (const unsigned char *)mbedtls_test_cas_pem,
+                                 mbedtls_test_cas_pem_len);
+    if (ret < 0) {
+        mbedtls_printf(
+            " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n",
+            (unsigned int)-ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok (%d skipped)\n", ret );
+    mbedtls_printf(" ok (%d skipped)\n", ret);
 
     /*
      * 1. Start the connection
      */
-    mbedtls_printf( "  . Connecting to tcp/%s/%s...", SERVER_NAME, SERVER_PORT );
-    fflush( stdout );
+    mbedtls_printf("  . Connecting to tcp/%s/%s...", SERVER_NAME, SERVER_PORT);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_connect( &server_fd, SERVER_NAME,
-                                         SERVER_PORT, MBEDTLS_NET_PROTO_TCP ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_connect returned %d\n\n", ret );
+    if ((ret = mbedtls_net_connect(&server_fd, SERVER_NAME, SERVER_PORT,
+                                   MBEDTLS_NET_PROTO_TCP)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_connect returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 2. Setup stuff
      */
-    mbedtls_printf( "  . Setting up the SSL/TLS structure..." );
-    fflush( stdout );
+    mbedtls_printf("  . Setting up the SSL/TLS structure...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                    MBEDTLS_SSL_IS_CLIENT,
-                    MBEDTLS_SSL_TRANSPORT_STREAM,
-                    MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_config_defaults(&conf, MBEDTLS_SSL_IS_CLIENT,
+                                           MBEDTLS_SSL_TRANSPORT_STREAM,
+                                           MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+        mbedtls_printf(
+            " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /* OPTIONAL is not optimal for security,
      * but makes interop easier in this simplified example */
-    mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_OPTIONAL );
-    mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
-    mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
-    mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+    mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_OPTIONAL);
+    mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL);
+    mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
+    mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
 
-    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_ssl_set_hostname( &ssl, SERVER_NAME ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_set_hostname(&ssl, SERVER_NAME)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_ssl_set_bio( &ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+    mbedtls_ssl_set_bio(&ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv,
+                        NULL);
 
     /*
      * 4. Handshake
      */
-    mbedtls_printf( "  . Performing the SSL/TLS handshake..." );
-    fflush( stdout );
+    mbedtls_printf("  . Performing the SSL/TLS handshake...");
+    fflush(stdout);
 
-    while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret );
+    while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+            ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n",
+                (unsigned int)-ret);
             goto exit;
         }
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 5. Verify the server certificate
      */
-    mbedtls_printf( "  . Verifying peer X.509 certificate..." );
+    mbedtls_printf("  . Verifying peer X.509 certificate...");
 
     /* In real life, we probably want to bail out when ret != 0 */
-    if( ( flags = mbedtls_ssl_get_verify_result( &ssl ) ) != 0 )
-    {
-#if !defined(MBEDTLS_X509_REMOVE_INFO)
+    if ((flags = mbedtls_ssl_get_verify_result(&ssl)) != 0) {
+#    if !defined(MBEDTLS_X509_REMOVE_INFO)
         char vrfy_buf[512];
-#endif
+#    endif
 
-        mbedtls_printf( " failed\n" );
+        mbedtls_printf(" failed\n");
 
-#if !defined(MBEDTLS_X509_REMOVE_INFO)
-        mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), "  ! ", flags );
+#    if !defined(MBEDTLS_X509_REMOVE_INFO)
+        mbedtls_x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), "  ! ", flags);
 
-        mbedtls_printf( "%s\n", vrfy_buf );
-#endif
-    }
-    else
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf("%s\n", vrfy_buf);
+#    endif
+    } else
+        mbedtls_printf(" ok\n");
 
     /*
      * 3. Write the GET request
      */
-    mbedtls_printf( "  > Write to server:" );
-    fflush( stdout );
+    mbedtls_printf("  > Write to server:");
+    fflush(stdout);
 
-    len = sprintf( (char *) buf, GET_REQUEST );
+    len = sprintf((char *)buf, GET_REQUEST);
 
-    while( ( ret = mbedtls_ssl_write( &ssl, buf, len ) ) <= 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret );
+    while ((ret = mbedtls_ssl_write(&ssl, buf, len)) <= 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+            ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n",
+                           ret);
             goto exit;
         }
     }
 
     len = ret;
-    mbedtls_printf( " %d bytes written\n\n%s", len, (char *) buf );
+    mbedtls_printf(" %d bytes written\n\n%s", len, (char *)buf);
 
     /*
      * 7. Read the HTTP response
      */
-    mbedtls_printf( "  < Read from server:" );
-    fflush( stdout );
+    mbedtls_printf("  < Read from server:");
+    fflush(stdout);
 
-    do
-    {
-        len = sizeof( buf ) - 1;
-        memset( buf, 0, sizeof( buf ) );
-        ret = mbedtls_ssl_read( &ssl, buf, len );
+    do {
+        len = sizeof(buf) - 1;
+        memset(buf, 0, sizeof(buf));
+        ret = mbedtls_ssl_read(&ssl, buf, len);
 
-        if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )
+        if (ret == MBEDTLS_ERR_SSL_WANT_READ ||
+            ret == MBEDTLS_ERR_SSL_WANT_WRITE)
             continue;
 
-        if( ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY )
+        if (ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY)
             break;
 
-        if( ret < 0 )
-        {
-            mbedtls_printf( "failed\n  ! mbedtls_ssl_read returned %d\n\n", ret );
+        if (ret < 0) {
+            mbedtls_printf("failed\n  ! mbedtls_ssl_read returned %d\n\n", ret);
             break;
         }
 
-        if( ret == 0 )
-        {
-            mbedtls_printf( "\n\nEOF\n\n" );
+        if (ret == 0) {
+            mbedtls_printf("\n\nEOF\n\n");
             break;
         }
 
         len = ret;
-        mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf );
-    }
-    while( 1 );
+        mbedtls_printf(" %d bytes read\n\n%s", len, (char *)buf);
+    } while (1);
 
-    mbedtls_ssl_close_notify( &ssl );
+    mbedtls_ssl_close_notify(&ssl);
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 
-#ifdef MBEDTLS_ERROR_C
-    if( exit_code != MBEDTLS_EXIT_SUCCESS )
-    {
+#    ifdef MBEDTLS_ERROR_C
+    if (exit_code != MBEDTLS_EXIT_SUCCESS) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf);
     }
-#endif
+#    endif
 
-    mbedtls_net_free( &server_fd );
+    mbedtls_net_free(&server_fd);
 
-    mbedtls_x509_crt_free( &cacert );
-    mbedtls_ssl_free( &ssl );
-    mbedtls_ssl_config_free( &conf );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_x509_crt_free(&cacert);
+    mbedtls_ssl_free(&ssl);
+    mbedtls_ssl_config_free(&conf);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-#if defined(_WIN32)
-    mbedtls_printf( "  + Press Enter to exit this program.\n" );
-    fflush( stdout ); getchar();
-#endif
+#    if defined(_WIN32)
+    mbedtls_printf("  + Press Enter to exit this program.\n");
+    fflush(stdout);
+    getchar();
+#    endif
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
-#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
-          MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C &&
-          MBEDTLS_PEM_PARSE_C && MBEDTLS_CTR_DRBG_C && MBEDTLS_X509_CRT_PARSE_C */
+#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C && \
+          MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C &&        \
+          MBEDTLS_PEM_PARSE_C && MBEDTLS_CTR_DRBG_C &&                  \
+          MBEDTLS_X509_CRT_PARSE_C */