diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c
index 67d2955..892ca17 100644
--- a/programs/ssl/ssl_client2.c
+++ b/programs/ssl/ssl_client2.c
@@ -20,25 +20,25 @@
  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#if !defined(POLARSSL_CONFIG_FILE)
+#if !defined(MBEDTLS_CONFIG_FILE)
 #include "mbedtls/config.h"
 #else
-#include POLARSSL_CONFIG_FILE
+#include MBEDTLS_CONFIG_FILE
 #endif
 
-#if defined(POLARSSL_PLATFORM_C)
+#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
 #else
 #include <stdio.h>
-#define polarssl_printf     printf
-#define polarssl_fprintf    fprintf
-#define polarssl_printf     printf
-#define polarssl_snprintf   snprintf
+#define mbedtls_printf     printf
+#define mbedtls_fprintf    fprintf
+#define mbedtls_printf     printf
+#define mbedtls_snprintf   snprintf
 #endif
 
-#if defined(POLARSSL_ENTROPY_C) && defined(POLARSSL_FS_IO) && \
-    defined(POLARSSL_SSL_TLS_C) && defined(POLARSSL_SSL_CLI_C) && \
-    defined(POLARSSL_NET_C) && defined(POLARSSL_CTR_DRBG_C)
+#if defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_FS_IO) && \
+    defined(MBEDTLS_SSL_TLS_C) && defined(MBEDTLS_SSL_CLI_C) && \
+    defined(MBEDTLS_NET_C) && defined(MBEDTLS_CTR_DRBG_C)
 #include "mbedtls/net.h"
 #include "mbedtls/ssl.h"
 #include "mbedtls/entropy.h"
@@ -53,7 +53,7 @@
 #include <string.h>
 #endif
 
-#if defined(POLARSSL_TIMING_C)
+#if defined(MBEDTLS_TIMING_C)
 #include "mbedtls/timing.h"
 #endif
 
@@ -79,7 +79,7 @@
 #define DFL_PSK                 ""
 #define DFL_PSK_IDENTITY        "Client_identity"
 #define DFL_FORCE_CIPHER        0
-#define DFL_RENEGOTIATION       SSL_RENEGOTIATION_DISABLED
+#define DFL_RENEGOTIATION       MBEDTLS_SSL_RENEGOTIATION_DISABLED
 #define DFL_ALLOW_LEGACY        -2
 #define DFL_RENEGOTIATE         0
 #define DFL_EXCHANGES           1
@@ -87,14 +87,14 @@
 #define DFL_MAX_VERSION         -1
 #define DFL_ARC4                -1
 #define DFL_AUTH_MODE           -1
-#define DFL_MFL_CODE            SSL_MAX_FRAG_LEN_NONE
+#define DFL_MFL_CODE            MBEDTLS_SSL_MAX_FRAG_LEN_NONE
 #define DFL_TRUNC_HMAC          -1
 #define DFL_RECSPLIT            -1
 #define DFL_RECONNECT           0
 #define DFL_RECO_DELAY          0
-#define DFL_TICKETS             SSL_SESSION_TICKETS_ENABLED
+#define DFL_TICKETS             MBEDTLS_SSL_SESSION_TICKETS_ENABLED
 #define DFL_ALPN_STRING         NULL
-#define DFL_TRANSPORT           SSL_TRANSPORT_STREAM
+#define DFL_TRANSPORT           MBEDTLS_SSL_TRANSPORT_STREAM
 #define DFL_HS_TO_MIN           0
 #define DFL_HS_TO_MAX           0
 #define DFL_FALLBACK            -1
@@ -104,8 +104,8 @@
 #define GET_REQUEST "GET %s HTTP/1.0\r\nExtra-header: "
 #define GET_REQUEST_END "\r\n\r\n"
 
-#if defined(POLARSSL_X509_CRT_PARSE_C)
-#if defined(POLARSSL_FS_IO)
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+#if defined(MBEDTLS_FS_IO)
 #define USAGE_IO \
     "    ca_file=%%s          The single file containing the top-level CA(s) you fully trust\n" \
     "                        default: \"\" (pre-loaded)\n" \
@@ -116,65 +116,65 @@
     "    key_file=%%s         default: \"\" (pre-loaded)\n"
 #else
 #define USAGE_IO \
-    "    No file operations available (POLARSSL_FS_IO not defined)\n"
-#endif /* POLARSSL_FS_IO */
+    "    No file operations available (MBEDTLS_FS_IO not defined)\n"
+#endif /* MBEDTLS_FS_IO */
 #else
 #define USAGE_IO ""
-#endif /* POLARSSL_X509_CRT_PARSE_C */
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
 
-#if defined(POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED)
+#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
 #define USAGE_PSK                                                   \
     "    psk=%%s              default: \"\" (in hex, without 0x)\n" \
     "    psk_identity=%%s     default: \"Client_identity\"\n"
 #else
 #define USAGE_PSK ""
-#endif /* POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED */
+#endif /* MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED */
 
-#if defined(POLARSSL_SSL_SESSION_TICKETS)
+#if defined(MBEDTLS_SSL_SESSION_TICKETS)
 #define USAGE_TICKETS                                       \
     "    tickets=%%d          default: 1 (enabled)\n"
 #else
 #define USAGE_TICKETS ""
-#endif /* POLARSSL_SSL_SESSION_TICKETS */
+#endif /* MBEDTLS_SSL_SESSION_TICKETS */
 
-#if defined(POLARSSL_SSL_TRUNCATED_HMAC)
+#if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
 #define USAGE_TRUNC_HMAC                                    \
     "    trunc_hmac=%%d       default: library default\n"
 #else
 #define USAGE_TRUNC_HMAC ""
-#endif /* POLARSSL_SSL_TRUNCATED_HMAC */
+#endif /* MBEDTLS_SSL_TRUNCATED_HMAC */
 
-#if defined(POLARSSL_SSL_MAX_FRAGMENT_LENGTH)
+#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
 #define USAGE_MAX_FRAG_LEN                                      \
     "    max_frag_len=%%d     default: 16384 (tls default)\n"   \
     "                        options: 512, 1024, 2048, 4096\n"
 #else
 #define USAGE_MAX_FRAG_LEN ""
-#endif /* POLARSSL_SSL_MAX_FRAGMENT_LENGTH */
+#endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
 
-#if defined(POLARSSL_SSL_CBC_RECORD_SPLITTING)
+#if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
 #define USAGE_RECSPLIT \
     "    recplit=%%d          default: (library default)\n"
 #else
 #define USAGE_RECSPLIT
 #endif
 
-#if defined(POLARSSL_TIMING_C)
+#if defined(MBEDTLS_TIMING_C)
 #define USAGE_TIME \
     "    reco_delay=%%d       default: 0 seconds\n"
 #else
 #define USAGE_TIME ""
-#endif /* POLARSSL_TIMING_C */
+#endif /* MBEDTLS_TIMING_C */
 
-#if defined(POLARSSL_SSL_ALPN)
+#if defined(MBEDTLS_SSL_ALPN)
 #define USAGE_ALPN \
     "    alpn=%%s             default: \"\" (disabled)\n"   \
     "                        example: spdy/1,http/1.1\n"
 #else
 #define USAGE_ALPN ""
-#endif /* POLARSSL_SSL_ALPN */
+#endif /* MBEDTLS_SSL_ALPN */
 
-#if defined(POLARSSL_SSL_PROTO_DTLS)
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
 #define USAGE_DTLS \
     "    dtls=%%d             default: 0 (TLS)\n"                           \
     "    hs_timeout=%%d-%%d    default: (library default: 1000-60000)\n"    \
@@ -183,28 +183,28 @@
 #define USAGE_DTLS ""
 #endif
 
-#if defined(POLARSSL_SSL_FALLBACK_SCSV)
+#if defined(MBEDTLS_SSL_FALLBACK_SCSV)
 #define USAGE_FALLBACK \
     "    fallback=0/1        default: (library default: off)\n"
 #else
 #define USAGE_FALLBACK ""
 #endif
 
-#if defined(POLARSSL_SSL_EXTENDED_MASTER_SECRET)
+#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
 #define USAGE_EMS \
     "    extended_ms=0/1     default: (library default: on)\n"
 #else
 #define USAGE_EMS ""
 #endif
 
-#if defined(POLARSSL_SSL_ENCRYPT_THEN_MAC)
+#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
 #define USAGE_ETM \
     "    etm=0/1             default: (library default: on)\n"
 #else
 #define USAGE_ETM ""
 #endif
 
-#if defined(POLARSSL_SSL_RENEGOTIATION)
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
 #define USAGE_RENEGO \
     "    renegotiation=%%d    default: 0 (disabled)\n"      \
     "    renegotiate=%%d      default: 0 (disabled)\n"
@@ -258,14 +258,14 @@
     "    force_ciphersuite=<name>    default: all enabled\n"\
     " acceptable ciphersuite names:\n"
 
-#if !defined(POLARSSL_ENTROPY_C) ||  !defined(POLARSSL_FS_IO) || \
-    !defined(POLARSSL_SSL_TLS_C) || !defined(POLARSSL_SSL_CLI_C) || \
-    !defined(POLARSSL_NET_C) || !defined(POLARSSL_CTR_DRBG_C)
+#if !defined(MBEDTLS_ENTROPY_C) ||  !defined(MBEDTLS_FS_IO) || \
+    !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_CLI_C) || \
+    !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_CTR_DRBG_C)
 int main( void )
 {
-    polarssl_printf("POLARSSL_ENTROPY_C and/or "
-           "POLARSSL_SSL_TLS_C and/or POLARSSL_SSL_CLI_C and/or "
-           "POLARSSL_NET_C and/or POLARSSL_CTR_DRBG_C not defined.\n");
+    mbedtls_printf("MBEDTLS_ENTROPY_C and/or "
+           "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or "
+           "MBEDTLS_NET_C and/or MBEDTLS_CTR_DRBG_C not defined.\n");
     return( 0 );
 }
 #else
@@ -279,7 +279,7 @@
     int server_port;            /* port on which the ssl service runs       */
     int debug_level;            /* level of debugging                       */
     int nbio;                   /* should I/O be blocking?                  */
-    uint32_t read_timeout;      /* timeout on ssl_read() in milliseconds    */
+    uint32_t read_timeout;      /* timeout on mbedtls_ssl_read() in milliseconds    */
     int max_resend;             /* DTLS times to resend on read timeout     */
     const char *request_page;   /* page on server to request                */
     int request_size;           /* pad request with header to requested size */
@@ -318,7 +318,7 @@
 {
     ((void) level);
 
-    polarssl_fprintf( (FILE *) ctx, "%s", str );
+    mbedtls_fprintf( (FILE *) ctx, "%s", str );
     fflush(  (FILE *) ctx  );
 }
 
@@ -334,11 +334,11 @@
     if( first_try )
     {
         first_try = 0;
-        return( POLARSSL_ERR_NET_WANT_READ );
+        return( MBEDTLS_ERR_NET_WANT_READ );
     }
 
-    ret = net_recv( ctx, buf, len );
-    if( ret != POLARSSL_ERR_NET_WANT_READ )
+    ret = mbedtls_net_recv( ctx, buf, len );
+    if( ret != MBEDTLS_ERR_NET_WANT_READ )
         first_try = 1; /* Next call will be a new operation */
     return( ret );
 }
@@ -351,77 +351,77 @@
     if( first_try )
     {
         first_try = 0;
-        return( POLARSSL_ERR_NET_WANT_WRITE );
+        return( MBEDTLS_ERR_NET_WANT_WRITE );
     }
 
-    ret = net_send( ctx, buf, len );
-    if( ret != POLARSSL_ERR_NET_WANT_WRITE )
+    ret = mbedtls_net_send( ctx, buf, len );
+    if( ret != MBEDTLS_ERR_NET_WANT_WRITE )
         first_try = 1; /* Next call will be a new operation */
     return( ret );
 }
 
-#if defined(POLARSSL_X509_CRT_PARSE_C)
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
 /*
  * Enabled if debug_level > 1 in code below
  */
-static int my_verify( void *data, x509_crt *crt, int depth, int *flags )
+static int my_verify( void *data, mbedtls_x509_crt *crt, int depth, int *flags )
 {
     char buf[1024];
     ((void) data);
 
-    polarssl_printf( "\nVerify requested for (Depth %d):\n", depth );
-    x509_crt_info( buf, sizeof( buf ) - 1, "", crt );
-    polarssl_printf( "%s", buf );
+    mbedtls_printf( "\nVerify requested for (Depth %d):\n", depth );
+    mbedtls_x509_crt_info( buf, sizeof( buf ) - 1, "", crt );
+    mbedtls_printf( "%s", buf );
 
-    if( ( (*flags) & BADCERT_EXPIRED ) != 0 )
-        polarssl_printf( "  ! server certificate has expired\n" );
+    if( ( (*flags) & MBEDTLS_BADCERT_EXPIRED ) != 0 )
+        mbedtls_printf( "  ! server certificate has expired\n" );
 
-    if( ( (*flags) & BADCERT_REVOKED ) != 0 )
-        polarssl_printf( "  ! server certificate has been revoked\n" );
+    if( ( (*flags) & MBEDTLS_X509_BADCERT_REVOKED ) != 0 )
+        mbedtls_printf( "  ! server certificate has been revoked\n" );
 
-    if( ( (*flags) & BADCERT_CN_MISMATCH ) != 0 )
-        polarssl_printf( "  ! CN mismatch\n" );
+    if( ( (*flags) & MBEDTLS_X509_BADCERT_CN_MISMATCH ) != 0 )
+        mbedtls_printf( "  ! CN mismatch\n" );
 
-    if( ( (*flags) & BADCERT_NOT_TRUSTED ) != 0 )
-        polarssl_printf( "  ! self-signed or not signed by a trusted CA\n" );
+    if( ( (*flags) & MBEDTLS_X509_BADCERT_NOT_TRUSTED ) != 0 )
+        mbedtls_printf( "  ! self-signed or not signed by a trusted CA\n" );
 
-    if( ( (*flags) & BADCRL_NOT_TRUSTED ) != 0 )
-        polarssl_printf( "  ! CRL not trusted\n" );
+    if( ( (*flags) & MBEDTLS_X509_BADCRL_NOT_TRUSTED ) != 0 )
+        mbedtls_printf( "  ! CRL not trusted\n" );
 
-    if( ( (*flags) & BADCRL_EXPIRED ) != 0 )
-        polarssl_printf( "  ! CRL expired\n" );
+    if( ( (*flags) & MBEDTLS_X509_BADCRL_EXPIRED ) != 0 )
+        mbedtls_printf( "  ! CRL expired\n" );
 
-    if( ( (*flags) & BADCERT_OTHER ) != 0 )
-        polarssl_printf( "  ! other (unknown) flag\n" );
+    if( ( (*flags) & MBEDTLS_BADCERT_OTHER ) != 0 )
+        mbedtls_printf( "  ! other (unknown) flag\n" );
 
     if ( ( *flags ) == 0 )
-        polarssl_printf( "  This certificate has no flags\n" );
+        mbedtls_printf( "  This certificate has no flags\n" );
 
     return( 0 );
 }
-#endif /* POLARSSL_X509_CRT_PARSE_C */
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
 
 int main( int argc, char *argv[] )
 {
     int ret = 0, len, tail_len, server_fd, i, written, frags, retry_left;
-    unsigned char buf[SSL_MAX_CONTENT_LEN + 1];
-#if defined(POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED)
-    unsigned char psk[POLARSSL_PSK_MAX_LEN];
+    unsigned char buf[MBEDTLS_SSL_MAX_CONTENT_LEN + 1];
+#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
+    unsigned char psk[MBEDTLS_PSK_MAX_LEN];
     size_t psk_len = 0;
 #endif
-#if defined(POLARSSL_SSL_ALPN)
+#if defined(MBEDTLS_SSL_ALPN)
     const char *alpn_list[10];
 #endif
     const char *pers = "ssl_client2";
 
-    entropy_context entropy;
-    ctr_drbg_context ctr_drbg;
-    ssl_context ssl;
-    ssl_session saved_session;
-#if defined(POLARSSL_X509_CRT_PARSE_C)
-    x509_crt cacert;
-    x509_crt clicert;
-    pk_context pkey;
+    mbedtls_entropy_context entropy;
+    mbedtls_ctr_drbg_context ctr_drbg;
+    mbedtls_ssl_context ssl;
+    mbedtls_ssl_session saved_session;
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+    mbedtls_x509_crt cacert;
+    mbedtls_x509_crt clicert;
+    mbedtls_pk_context pkey;
 #endif
     char *p, *q;
     const int *list;
@@ -430,14 +430,14 @@
      * Make sure memory references are valid.
      */
     server_fd = 0;
-    memset( &ssl, 0, sizeof( ssl_context ) );
-    memset( &saved_session, 0, sizeof( ssl_session ) );
-#if defined(POLARSSL_X509_CRT_PARSE_C)
-    x509_crt_init( &cacert );
-    x509_crt_init( &clicert );
-    pk_init( &pkey );
+    memset( &ssl, 0, sizeof( mbedtls_ssl_context ) );
+    memset( &saved_session, 0, sizeof( mbedtls_ssl_session ) );
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+    mbedtls_x509_crt_init( &cacert );
+    mbedtls_x509_crt_init( &clicert );
+    mbedtls_pk_init( &pkey );
 #endif
-#if defined(POLARSSL_SSL_ALPN)
+#if defined(MBEDTLS_SSL_ALPN)
     memset( (void * ) alpn_list, 0, sizeof( alpn_list ) );
 #endif
 
@@ -447,19 +447,19 @@
         if( ret == 0 )
             ret = 1;
 
-        polarssl_printf( USAGE );
+        mbedtls_printf( USAGE );
 
-        list = ssl_list_ciphersuites();
+        list = mbedtls_ssl_list_ciphersuites();
         while( *list )
         {
-            polarssl_printf(" %-42s", ssl_get_ciphersuite_name( *list ) );
+            mbedtls_printf(" %-42s", mbedtls_ssl_get_ciphersuite_name( *list ) );
             list++;
             if( !*list )
                 break;
-            polarssl_printf(" %s\n", ssl_get_ciphersuite_name( *list ) );
+            mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name( *list ) );
             list++;
         }
-        polarssl_printf("\n");
+        mbedtls_printf("\n");
         goto exit;
     }
 
@@ -522,9 +522,9 @@
         {
             int t = atoi( q );
             if( t == 0 )
-                opt.transport = SSL_TRANSPORT_STREAM;
+                opt.transport = MBEDTLS_SSL_TRANSPORT_STREAM;
             else if( t == 1 )
-                opt.transport = SSL_TRANSPORT_DATAGRAM;
+                opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM;
             else
                 goto usage;
         }
@@ -553,7 +553,7 @@
         else if( strcmp( p, "request_size" ) == 0 )
         {
             opt.request_size = atoi( q );
-            if( opt.request_size < 0 || opt.request_size > SSL_MAX_CONTENT_LEN )
+            if( opt.request_size < 0 || opt.request_size > MBEDTLS_SSL_MAX_CONTENT_LEN )
                 goto usage;
         }
         else if( strcmp( p, "ca_file" ) == 0 )
@@ -570,7 +570,7 @@
             opt.psk_identity = q;
         else if( strcmp( p, "force_ciphersuite" ) == 0 )
         {
-            opt.force_ciphersuite[0] = ssl_get_ciphersuite_id( q );
+            opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id( q );
 
             if( opt.force_ciphersuite[0] == 0 )
             {
@@ -581,16 +581,16 @@
         }
         else if( strcmp( p, "renegotiation" ) == 0 )
         {
-            opt.renegotiation = (atoi( q )) ? SSL_RENEGOTIATION_ENABLED :
-                                              SSL_RENEGOTIATION_DISABLED;
+            opt.renegotiation = (atoi( q )) ? MBEDTLS_SSL_RENEGOTIATION_ENABLED :
+                                              MBEDTLS_SSL_RENEGOTIATION_DISABLED;
         }
         else if( strcmp( p, "allow_legacy" ) == 0 )
         {
             switch( atoi( q ) )
             {
-                case -1: opt.allow_legacy = SSL_LEGACY_BREAK_HANDSHAKE; break;
-                case 0:  opt.allow_legacy = SSL_LEGACY_NO_RENEGOTIATION; break;
-                case 1:  opt.allow_legacy = SSL_LEGACY_ALLOW_RENEGOTIATION; break;
+                case -1: opt.allow_legacy = MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE; break;
+                case 0:  opt.allow_legacy = MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION; break;
+                case 1:  opt.allow_legacy = MBEDTLS_SSL_LEGACY_ALLOW_RENEGOTIATION; break;
                 default: goto usage;
             }
         }
@@ -632,8 +632,8 @@
         {
             switch( atoi( q ) )
             {
-                case 0: opt.fallback = SSL_IS_NOT_FALLBACK; break;
-                case 1: opt.fallback = SSL_IS_FALLBACK; break;
+                case 0: opt.fallback = MBEDTLS_SSL_IS_NOT_FALLBACK; break;
+                case 1: opt.fallback = MBEDTLS_SSL_IS_FALLBACK; break;
                 default: goto usage;
             }
         }
@@ -641,8 +641,8 @@
         {
             switch( atoi( q ) )
             {
-                case 0: opt.extended_ms = SSL_EXTENDED_MS_DISABLED; break;
-                case 1: opt.extended_ms = SSL_EXTENDED_MS_ENABLED; break;
+                case 0: opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_DISABLED; break;
+                case 1: opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_ENABLED; break;
                 default: goto usage;
             }
         }
@@ -650,38 +650,38 @@
         {
             switch( atoi( q ) )
             {
-                case 0: opt.etm = SSL_ETM_DISABLED; break;
-                case 1: opt.etm = SSL_ETM_ENABLED; break;
+                case 0: opt.etm = MBEDTLS_SSL_ETM_DISABLED; break;
+                case 1: opt.etm = MBEDTLS_SSL_ETM_ENABLED; break;
                 default: goto usage;
             }
         }
         else if( strcmp( p, "min_version" ) == 0 )
         {
             if( strcmp( q, "ssl3" ) == 0 )
-                opt.min_version = SSL_MINOR_VERSION_0;
+                opt.min_version = MBEDTLS_SSL_MINOR_VERSION_0;
             else if( strcmp( q, "tls1" ) == 0 )
-                opt.min_version = SSL_MINOR_VERSION_1;
+                opt.min_version = MBEDTLS_SSL_MINOR_VERSION_1;
             else if( strcmp( q, "tls1_1" ) == 0 ||
                      strcmp( q, "dtls1" ) == 0 )
-                opt.min_version = SSL_MINOR_VERSION_2;
+                opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2;
             else if( strcmp( q, "tls1_2" ) == 0 ||
                      strcmp( q, "dtls1_2" ) == 0 )
-                opt.min_version = SSL_MINOR_VERSION_3;
+                opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3;
             else
                 goto usage;
         }
         else if( strcmp( p, "max_version" ) == 0 )
         {
             if( strcmp( q, "ssl3" ) == 0 )
-                opt.max_version = SSL_MINOR_VERSION_0;
+                opt.max_version = MBEDTLS_SSL_MINOR_VERSION_0;
             else if( strcmp( q, "tls1" ) == 0 )
-                opt.max_version = SSL_MINOR_VERSION_1;
+                opt.max_version = MBEDTLS_SSL_MINOR_VERSION_1;
             else if( strcmp( q, "tls1_1" ) == 0 ||
                      strcmp( q, "dtls1" ) == 0 )
-                opt.max_version = SSL_MINOR_VERSION_2;
+                opt.max_version = MBEDTLS_SSL_MINOR_VERSION_2;
             else if( strcmp( q, "tls1_2" ) == 0 ||
                      strcmp( q, "dtls1_2" ) == 0 )
-                opt.max_version = SSL_MINOR_VERSION_3;
+                opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3;
             else
                 goto usage;
         }
@@ -689,8 +689,8 @@
         {
             switch( atoi( q ) )
             {
-                case 0:     opt.arc4 = SSL_ARC4_DISABLED;   break;
-                case 1:     opt.arc4 = SSL_ARC4_ENABLED;    break;
+                case 0:     opt.arc4 = MBEDTLS_SSL_ARC4_DISABLED;   break;
+                case 1:     opt.arc4 = MBEDTLS_SSL_ARC4_ENABLED;    break;
                 default:    goto usage;
             }
         }
@@ -698,35 +698,35 @@
         {
             if( strcmp( q, "ssl3" ) == 0 )
             {
-                opt.min_version = SSL_MINOR_VERSION_0;
-                opt.max_version = SSL_MINOR_VERSION_0;
+                opt.min_version = MBEDTLS_SSL_MINOR_VERSION_0;
+                opt.max_version = MBEDTLS_SSL_MINOR_VERSION_0;
             }
             else if( strcmp( q, "tls1" ) == 0 )
             {
-                opt.min_version = SSL_MINOR_VERSION_1;
-                opt.max_version = SSL_MINOR_VERSION_1;
+                opt.min_version = MBEDTLS_SSL_MINOR_VERSION_1;
+                opt.max_version = MBEDTLS_SSL_MINOR_VERSION_1;
             }
             else if( strcmp( q, "tls1_1" ) == 0 )
             {
-                opt.min_version = SSL_MINOR_VERSION_2;
-                opt.max_version = SSL_MINOR_VERSION_2;
+                opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2;
+                opt.max_version = MBEDTLS_SSL_MINOR_VERSION_2;
             }
             else if( strcmp( q, "tls1_2" ) == 0 )
             {
-                opt.min_version = SSL_MINOR_VERSION_3;
-                opt.max_version = SSL_MINOR_VERSION_3;
+                opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3;
+                opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3;
             }
             else if( strcmp( q, "dtls1" ) == 0 )
             {
-                opt.min_version = SSL_MINOR_VERSION_2;
-                opt.max_version = SSL_MINOR_VERSION_2;
-                opt.transport = SSL_TRANSPORT_DATAGRAM;
+                opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2;
+                opt.max_version = MBEDTLS_SSL_MINOR_VERSION_2;
+                opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM;
             }
             else if( strcmp( q, "dtls1_2" ) == 0 )
             {
-                opt.min_version = SSL_MINOR_VERSION_3;
-                opt.max_version = SSL_MINOR_VERSION_3;
-                opt.transport = SSL_TRANSPORT_DATAGRAM;
+                opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3;
+                opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3;
+                opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM;
             }
             else
                 goto usage;
@@ -734,24 +734,24 @@
         else if( strcmp( p, "auth_mode" ) == 0 )
         {
             if( strcmp( q, "none" ) == 0 )
-                opt.auth_mode = SSL_VERIFY_NONE;
+                opt.auth_mode = MBEDTLS_SSL_VERIFY_NONE;
             else if( strcmp( q, "optional" ) == 0 )
-                opt.auth_mode = SSL_VERIFY_OPTIONAL;
+                opt.auth_mode = MBEDTLS_SSL_VERIFY_OPTIONAL;
             else if( strcmp( q, "required" ) == 0 )
-                opt.auth_mode = SSL_VERIFY_REQUIRED;
+                opt.auth_mode = MBEDTLS_SSL_VERIFY_REQUIRED;
             else
                 goto usage;
         }
         else if( strcmp( p, "max_frag_len" ) == 0 )
         {
             if( strcmp( q, "512" ) == 0 )
-                opt.mfl_code = SSL_MAX_FRAG_LEN_512;
+                opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_512;
             else if( strcmp( q, "1024" ) == 0 )
-                opt.mfl_code = SSL_MAX_FRAG_LEN_1024;
+                opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_1024;
             else if( strcmp( q, "2048" ) == 0 )
-                opt.mfl_code = SSL_MAX_FRAG_LEN_2048;
+                opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_2048;
             else if( strcmp( q, "4096" ) == 0 )
-                opt.mfl_code = SSL_MAX_FRAG_LEN_4096;
+                opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_4096;
             else
                 goto usage;
         }
@@ -759,8 +759,8 @@
         {
             switch( atoi( q ) )
             {
-                case 0: opt.trunc_hmac = SSL_TRUNC_HMAC_DISABLED; break;
-                case 1: opt.trunc_hmac = SSL_TRUNC_HMAC_ENABLED; break;
+                case 0: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_DISABLED; break;
+                case 1: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_ENABLED; break;
                 default: goto usage;
             }
         }
@@ -784,26 +784,26 @@
             goto usage;
     }
 
-#if defined(POLARSSL_DEBUG_C)
-    debug_set_threshold( opt.debug_level );
+#if defined(MBEDTLS_DEBUG_C)
+    mbedtls_debug_set_threshold( opt.debug_level );
 #endif
 
     if( opt.force_ciphersuite[0] > 0 )
     {
-        const ssl_ciphersuite_t *ciphersuite_info;
-        ciphersuite_info = ssl_ciphersuite_from_id( opt.force_ciphersuite[0] );
+        const mbedtls_ssl_ciphersuite_t *ciphersuite_info;
+        ciphersuite_info = mbedtls_ssl_ciphersuite_from_id( opt.force_ciphersuite[0] );
 
         if( opt.max_version != -1 &&
             ciphersuite_info->min_minor_ver > opt.max_version )
         {
-            polarssl_printf("forced ciphersuite not allowed with this protocol version\n");
+            mbedtls_printf("forced ciphersuite not allowed with this protocol version\n");
             ret = 2;
             goto usage;
         }
         if( opt.min_version != -1 &&
             ciphersuite_info->max_minor_ver < opt.min_version )
         {
-            polarssl_printf("forced ciphersuite not allowed with this protocol version\n");
+            mbedtls_printf("forced ciphersuite not allowed with this protocol version\n");
             ret = 2;
             goto usage;
         }
@@ -819,26 +819,26 @@
         {
             opt.min_version = ciphersuite_info->min_minor_ver;
             /* DTLS starts with TLS 1.1 */
-            if( opt.transport == SSL_TRANSPORT_DATAGRAM &&
-                opt.min_version < SSL_MINOR_VERSION_2 )
-                opt.min_version = SSL_MINOR_VERSION_2;
+            if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
+                opt.min_version < MBEDTLS_SSL_MINOR_VERSION_2 )
+                opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2;
         }
 
         /* Enable RC4 if needed and not explicitly disabled */
-        if( ciphersuite_info->cipher == POLARSSL_CIPHER_ARC4_128 )
+        if( ciphersuite_info->cipher == MBEDTLS_CIPHER_ARC4_128 )
         {
-            if( opt.arc4 == SSL_ARC4_DISABLED )
+            if( opt.arc4 == MBEDTLS_SSL_ARC4_DISABLED )
             {
-                polarssl_printf("forced RC4 ciphersuite with RC4 disabled\n");
+                mbedtls_printf("forced RC4 ciphersuite with RC4 disabled\n");
                 ret = 2;
                 goto usage;
             }
 
-            opt.arc4 = SSL_ARC4_ENABLED;
+            opt.arc4 = MBEDTLS_SSL_ARC4_ENABLED;
         }
     }
 
-#if defined(POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED)
+#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
     /*
      * Unhexify the pre-shared key if any is given
      */
@@ -849,7 +849,7 @@
 
         if( strlen( opt.psk ) % 2 != 0 )
         {
-            polarssl_printf("pre-shared key not valid hex\n");
+            mbedtls_printf("pre-shared key not valid hex\n");
             goto exit;
         }
 
@@ -866,7 +866,7 @@
                 c -= 'A' - 10;
             else
             {
-                polarssl_printf("pre-shared key not valid hex\n");
+                mbedtls_printf("pre-shared key not valid hex\n");
                 goto exit;
             }
             psk[ j / 2 ] = c << 4;
@@ -880,15 +880,15 @@
                 c -= 'A' - 10;
             else
             {
-                polarssl_printf("pre-shared key not valid hex\n");
+                mbedtls_printf("pre-shared key not valid hex\n");
                 goto exit;
             }
             psk[ j / 2 ] |= c;
         }
     }
-#endif /* POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED */
+#endif /* MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED */
 
-#if defined(POLARSSL_SSL_ALPN)
+#if defined(MBEDTLS_SSL_ALPN)
     if( opt.alpn_string != NULL )
     {
         p = (char *) opt.alpn_string;
@@ -906,124 +906,124 @@
                 *p++ = '\0';
         }
     }
-#endif /* POLARSSL_SSL_ALPN */
+#endif /* MBEDTLS_SSL_ALPN */
 
     /*
      * 0. Initialize the RNG and the session data
      */
-    polarssl_printf( "\n  . Seeding the random number generator..." );
+    mbedtls_printf( "\n  . Seeding the random number generator..." );
     fflush( stdout );
 
-    entropy_init( &entropy );
-    if( ( ret = ctr_drbg_init( &ctr_drbg, entropy_func, &entropy,
+    mbedtls_entropy_init( &entropy );
+    if( ( ret = mbedtls_ctr_drbg_init( &ctr_drbg, mbedtls_entropy_func, &entropy,
                                (const unsigned char *) pers,
                                strlen( pers ) ) ) != 0 )
     {
-        polarssl_printf( " failed\n  ! ctr_drbg_init returned -0x%x\n", -ret );
+        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_init returned -0x%x\n", -ret );
         goto exit;
     }
 
-    polarssl_printf( " ok\n" );
+    mbedtls_printf( " ok\n" );
 
-#if defined(POLARSSL_X509_CRT_PARSE_C)
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
     /*
      * 1.1. Load the trusted CA
      */
-    polarssl_printf( "  . Loading the CA root certificate ..." );
+    mbedtls_printf( "  . Loading the CA root certificate ..." );
     fflush( stdout );
 
-#if defined(POLARSSL_FS_IO)
+#if defined(MBEDTLS_FS_IO)
     if( strlen( opt.ca_path ) )
         if( strcmp( opt.ca_path, "none" ) == 0 )
             ret = 0;
         else
-            ret = x509_crt_parse_path( &cacert, opt.ca_path );
+            ret = mbedtls_x509_crt_parse_path( &cacert, opt.ca_path );
     else if( strlen( opt.ca_file ) )
         if( strcmp( opt.ca_file, "none" ) == 0 )
             ret = 0;
         else
-            ret = x509_crt_parse_file( &cacert, opt.ca_file );
+            ret = mbedtls_x509_crt_parse_file( &cacert, opt.ca_file );
     else
 #endif
-#if defined(POLARSSL_CERTS_C)
-        for( i = 0; test_cas[i] != NULL; i++ )
+#if defined(MBEDTLS_CERTS_C)
+        for( i = 0; mbedtls_test_cas[i] != NULL; i++ )
         {
-            ret = x509_crt_parse( &cacert,
-                                  (const unsigned char *) test_cas[i],
-                                  test_cas_len[i] );
+            ret = mbedtls_x509_crt_parse( &cacert,
+                                  (const unsigned char *) mbedtls_test_cas[i],
+                                  mbedtls_test_cas_len[i] );
             if( ret != 0 )
                 break;
         }
 #else
     {
         ret = 1;
-        polarssl_printf("POLARSSL_CERTS_C not defined.");
+        mbedtls_printf("MBEDTLS_CERTS_C not defined.");
     }
 #endif
     if( ret < 0 )
     {
-        polarssl_printf( " failed\n  !  x509_crt_parse returned -0x%x\n\n", -ret );
+        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n", -ret );
         goto exit;
     }
 
-    polarssl_printf( " ok (%d skipped)\n", ret );
+    mbedtls_printf( " ok (%d skipped)\n", ret );
 
     /*
      * 1.2. Load own certificate and private key
      *
      * (can be skipped if client authentication is not required)
      */
-    polarssl_printf( "  . Loading the client cert. and key..." );
+    mbedtls_printf( "  . Loading the client cert. and key..." );
     fflush( stdout );
 
-#if defined(POLARSSL_FS_IO)
+#if defined(MBEDTLS_FS_IO)
     if( strlen( opt.crt_file ) )
         if( strcmp( opt.crt_file, "none" ) == 0 )
             ret = 0;
         else
-            ret = x509_crt_parse_file( &clicert, opt.crt_file );
+            ret = mbedtls_x509_crt_parse_file( &clicert, opt.crt_file );
     else
 #endif
-#if defined(POLARSSL_CERTS_C)
-        ret = x509_crt_parse( &clicert, (const unsigned char *) test_cli_crt,
-                test_cli_crt_len );
+#if defined(MBEDTLS_CERTS_C)
+        ret = mbedtls_x509_crt_parse( &clicert, (const unsigned char *) mbedtls_test_cli_crt,
+                mbedtls_test_cli_crt_len );
 #else
     {
         ret = 1;
-        polarssl_printf("POLARSSL_CERTS_C not defined.");
+        mbedtls_printf("MBEDTLS_CERTS_C not defined.");
     }
 #endif
     if( ret != 0 )
     {
-        polarssl_printf( " failed\n  !  x509_crt_parse returned -0x%x\n\n", -ret );
+        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n", -ret );
         goto exit;
     }
 
-#if defined(POLARSSL_FS_IO)
+#if defined(MBEDTLS_FS_IO)
     if( strlen( opt.key_file ) )
         if( strcmp( opt.key_file, "none" ) == 0 )
             ret = 0;
         else
-            ret = pk_parse_keyfile( &pkey, opt.key_file, "" );
+            ret = mbedtls_pk_parse_keyfile( &pkey, opt.key_file, "" );
     else
 #endif
-#if defined(POLARSSL_CERTS_C)
-        ret = pk_parse_key( &pkey, (const unsigned char *) test_cli_key,
-                test_cli_key_len, NULL, 0 );
+#if defined(MBEDTLS_CERTS_C)
+        ret = mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_cli_key,
+                mbedtls_test_cli_key_len, NULL, 0 );
 #else
     {
         ret = 1;
-        polarssl_printf("POLARSSL_CERTS_C not defined.");
+        mbedtls_printf("MBEDTLS_CERTS_C not defined.");
     }
 #endif
     if( ret != 0 )
     {
-        polarssl_printf( " failed\n  !  pk_parse_key returned -0x%x\n\n", -ret );
+        mbedtls_printf( " failed\n  !  mbedtls_pk_parse_key returned -0x%x\n\n", -ret );
         goto exit;
     }
 
-    polarssl_printf( " ok\n" );
-#endif /* POLARSSL_X509_CRT_PARSE_C */
+    mbedtls_printf( " ok\n" );
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
 
     /*
      * 2. Start the connection
@@ -1031,321 +1031,321 @@
     if( opt.server_addr == NULL)
         opt.server_addr = opt.server_name;
 
-    polarssl_printf( "  . Connecting to %s/%s/%-4d...",
-            opt.transport == SSL_TRANSPORT_STREAM ? "tcp" : "udp",
+    mbedtls_printf( "  . Connecting to %s/%s/%-4d...",
+            opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? "tcp" : "udp",
             opt.server_addr, opt.server_port );
     fflush( stdout );
 
-    if( ( ret = net_connect( &server_fd, opt.server_addr, opt.server_port,
-                             opt.transport == SSL_TRANSPORT_STREAM ?
-                             NET_PROTO_TCP : NET_PROTO_UDP ) ) != 0 )
+    if( ( ret = mbedtls_net_connect( &server_fd, opt.server_addr, opt.server_port,
+                             opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ?
+                             MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP ) ) != 0 )
     {
-        polarssl_printf( " failed\n  ! net_connect returned -0x%x\n\n", -ret );
+        mbedtls_printf( " failed\n  ! mbedtls_net_connect returned -0x%x\n\n", -ret );
         goto exit;
     }
 
     if( opt.nbio > 0 )
-        ret = net_set_nonblock( server_fd );
+        ret = mbedtls_net_set_nonblock( server_fd );
     else
-        ret = net_set_block( server_fd );
+        ret = mbedtls_net_set_block( server_fd );
     if( ret != 0 )
     {
-        polarssl_printf( " failed\n  ! net_set_(non)block() returned -0x%x\n\n", -ret );
+        mbedtls_printf( " failed\n  ! net_set_(non)block() returned -0x%x\n\n", -ret );
         goto exit;
     }
 
-    polarssl_printf( " ok\n" );
+    mbedtls_printf( " ok\n" );
 
     /*
      * 3. Setup stuff
      */
-    polarssl_printf( "  . Setting up the SSL/TLS structure..." );
+    mbedtls_printf( "  . Setting up the SSL/TLS structure..." );
     fflush( stdout );
 
-    if( ( ret = ssl_init( &ssl ) ) != 0 )
+    if( ( ret = mbedtls_ssl_init( &ssl ) ) != 0 )
     {
-        polarssl_printf( " failed\n  ! ssl_init returned -0x%x\n\n", -ret );
+        mbedtls_printf( " failed\n  ! mbedtls_ssl_init returned -0x%x\n\n", -ret );
         goto exit;
     }
 
-#if defined(POLARSSL_X509_CRT_PARSE_C)
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
     if( opt.debug_level > 0 )
-        ssl_set_verify( &ssl, my_verify, NULL );
+        mbedtls_ssl_set_verify( &ssl, my_verify, NULL );
 #endif
 
-    ssl_set_endpoint( &ssl, SSL_IS_CLIENT );
+    mbedtls_ssl_set_endpoint( &ssl, MBEDTLS_SSL_IS_CLIENT );
     if( opt.auth_mode != DFL_AUTH_MODE )
-        ssl_set_authmode( &ssl, opt.auth_mode );
+        mbedtls_ssl_set_authmode( &ssl, opt.auth_mode );
 
-#if defined(POLARSSL_SSL_PROTO_DTLS)
-    if( ( ret = ssl_set_transport( &ssl, opt.transport ) ) != 0 )
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
+    if( ( ret = mbedtls_ssl_set_transport( &ssl, opt.transport ) ) != 0 )
     {
-        polarssl_printf( " failed\n  ! selected transport is not available\n" );
+        mbedtls_printf( " failed\n  ! selected transport is not available\n" );
         goto exit;
     }
 
     if( opt.hs_to_min != DFL_HS_TO_MIN || opt.hs_to_max != DFL_HS_TO_MAX )
-        ssl_set_handshake_timeout( &ssl, opt.hs_to_min, opt.hs_to_max );
-#endif /* POLARSSL_SSL_PROTO_DTLS */
+        mbedtls_ssl_set_handshake_timeout( &ssl, opt.hs_to_min, opt.hs_to_max );
+#endif /* MBEDTLS_SSL_PROTO_DTLS */
 
-#if defined(POLARSSL_SSL_MAX_FRAGMENT_LENGTH)
-    if( ( ret = ssl_set_max_frag_len( &ssl, opt.mfl_code ) ) != 0 )
+#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
+    if( ( ret = mbedtls_ssl_set_max_frag_len( &ssl, opt.mfl_code ) ) != 0 )
     {
-        polarssl_printf( " failed\n  ! ssl_set_max_frag_len returned %d\n\n", ret );
+        mbedtls_printf( " failed\n  ! mbedtls_ssl_set_max_frag_len returned %d\n\n", ret );
         goto exit;
     }
 #endif
 
-#if defined(POLARSSL_SSL_TRUNCATED_HMAC)
+#if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
     if( opt.trunc_hmac != DFL_TRUNC_HMAC )
-        ssl_set_truncated_hmac( &ssl, opt.trunc_hmac );
+        mbedtls_ssl_set_truncated_hmac( &ssl, opt.trunc_hmac );
 #endif
 
-#if defined(POLARSSL_SSL_EXTENDED_MASTER_SECRET)
+#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
     if( opt.extended_ms != DFL_EXTENDED_MS )
-        ssl_set_extended_master_secret( &ssl, opt.extended_ms );
+        mbedtls_ssl_set_extended_master_secret( &ssl, opt.extended_ms );
 #endif
 
-#if defined(POLARSSL_SSL_ENCRYPT_THEN_MAC)
+#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
     if( opt.etm != DFL_ETM )
-        ssl_set_encrypt_then_mac( &ssl, opt.etm );
+        mbedtls_ssl_set_encrypt_then_mac( &ssl, opt.etm );
 #endif
 
-#if defined(POLARSSL_SSL_CBC_RECORD_SPLITTING)
+#if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
     if( opt.recsplit != DFL_RECSPLIT )
-        ssl_set_cbc_record_splitting( &ssl, opt.recsplit
-                                    ? SSL_CBC_RECORD_SPLITTING_ENABLED
-                                    : SSL_CBC_RECORD_SPLITTING_DISABLED );
+        mbedtls_ssl_set_cbc_record_splitting( &ssl, opt.recsplit
+                                    ? MBEDTLS_SSL_CBC_RECORD_SPLITTING_ENABLED
+                                    : MBEDTLS_SSL_CBC_RECORD_SPLITTING_DISABLED );
 #endif
 
-#if defined(POLARSSL_SSL_ALPN)
+#if defined(MBEDTLS_SSL_ALPN)
     if( opt.alpn_string != NULL )
-        if( ( ret = ssl_set_alpn_protocols( &ssl, alpn_list ) ) != 0 )
+        if( ( ret = mbedtls_ssl_set_alpn_protocols( &ssl, alpn_list ) ) != 0 )
         {
-            polarssl_printf( " failed\n  ! ssl_set_alpn_protocols returned %d\n\n", ret );
+            mbedtls_printf( " failed\n  ! mbedtls_ssl_set_alpn_protocols returned %d\n\n", ret );
             goto exit;
         }
 #endif
 
-    ssl_set_rng( &ssl, ctr_drbg_random, &ctr_drbg );
-    ssl_set_dbg( &ssl, my_debug, stdout );
+    mbedtls_ssl_set_rng( &ssl, mbedtls_ctr_drbg_random, &ctr_drbg );
+    mbedtls_ssl_set_dbg( &ssl, my_debug, stdout );
 
     if( opt.nbio == 2 )
-        ssl_set_bio_timeout( &ssl, &server_fd, my_send, my_recv, NULL,
+        mbedtls_ssl_set_bio_timeout( &ssl, &server_fd, my_send, my_recv, NULL,
                              opt.read_timeout );
     else
-        ssl_set_bio_timeout( &ssl, &server_fd, net_send, net_recv,
-#if defined(POLARSSL_HAVE_TIME)
-                             opt.nbio == 0 ? net_recv_timeout : NULL,
+        mbedtls_ssl_set_bio_timeout( &ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv,
+#if defined(MBEDTLS_HAVE_TIME)
+                             opt.nbio == 0 ? mbedtls_net_recv_timeout : NULL,
 #else
                              NULL,
 #endif
                              opt.read_timeout );
 
-#if defined(POLARSSL_SSL_SESSION_TICKETS)
-    if( ( ret = ssl_set_session_tickets( &ssl, opt.tickets ) ) != 0 )
+#if defined(MBEDTLS_SSL_SESSION_TICKETS)
+    if( ( ret = mbedtls_ssl_set_session_tickets( &ssl, opt.tickets ) ) != 0 )
     {
-        polarssl_printf( " failed\n  ! ssl_set_session_tickets returned %d\n\n", ret );
+        mbedtls_printf( " failed\n  ! mbedtls_ssl_set_session_tickets returned %d\n\n", ret );
         goto exit;
     }
 #endif
 
     if( opt.force_ciphersuite[0] != DFL_FORCE_CIPHER )
-        ssl_set_ciphersuites( &ssl, opt.force_ciphersuite );
+        mbedtls_ssl_set_ciphersuites( &ssl, opt.force_ciphersuite );
 
     if( opt.arc4 != DFL_ARC4 )
-        ssl_set_arc4_support( &ssl, opt.arc4 );
+        mbedtls_ssl_set_arc4_support( &ssl, opt.arc4 );
 
     if( opt.allow_legacy != DFL_ALLOW_LEGACY )
-        ssl_legacy_renegotiation( &ssl, opt.allow_legacy );
-#if defined(POLARSSL_SSL_RENEGOTIATION)
-    ssl_set_renegotiation( &ssl, opt.renegotiation );
+        mbedtls_ssl_legacy_renegotiation( &ssl, opt.allow_legacy );
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+    mbedtls_ssl_set_renegotiation( &ssl, opt.renegotiation );
 #endif
 
-#if defined(POLARSSL_X509_CRT_PARSE_C)
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
     if( strcmp( opt.ca_path, "none" ) != 0 &&
         strcmp( opt.ca_file, "none" ) != 0 )
     {
-        ssl_set_ca_chain( &ssl, &cacert, NULL, opt.server_name );
+        mbedtls_ssl_set_ca_chain( &ssl, &cacert, NULL, opt.server_name );
     }
     if( strcmp( opt.crt_file, "none" ) != 0 &&
         strcmp( opt.key_file, "none" ) != 0 )
     {
-        if( ( ret = ssl_set_own_cert( &ssl, &clicert, &pkey ) ) != 0 )
+        if( ( ret = mbedtls_ssl_set_own_cert( &ssl, &clicert, &pkey ) ) != 0 )
         {
-            polarssl_printf( " failed\n  ! ssl_set_own_cert returned %d\n\n", ret );
+            mbedtls_printf( " failed\n  ! mbedtls_ssl_set_own_cert returned %d\n\n", ret );
             goto exit;
         }
     }
 #endif
 
-#if defined(POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED)
-    if( ( ret = ssl_set_psk( &ssl, psk, psk_len,
+#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
+    if( ( ret = mbedtls_ssl_set_psk( &ssl, psk, psk_len,
                              (const unsigned char *) opt.psk_identity,
                              strlen( opt.psk_identity ) ) ) != 0 )
     {
-        polarssl_printf( " failed\n  ! ssl_set_psk returned %d\n\n", ret );
+        mbedtls_printf( " failed\n  ! mbedtls_ssl_set_psk returned %d\n\n", ret );
         goto exit;
     }
 #endif
 
-#if defined(POLARSSL_SSL_SERVER_NAME_INDICATION)
-    if( ( ret = ssl_set_hostname( &ssl, opt.server_name ) ) != 0 )
+#if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
+    if( ( ret = mbedtls_ssl_set_hostname( &ssl, opt.server_name ) ) != 0 )
     {
-        polarssl_printf( " failed\n  ! ssl_set_hostname returned %d\n\n", ret );
+        mbedtls_printf( " failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n", ret );
         goto exit;
     }
 #endif
 
     if( opt.min_version != DFL_MIN_VERSION )
     {
-        ret = ssl_set_min_version( &ssl, SSL_MAJOR_VERSION_3, opt.min_version );
+        ret = mbedtls_ssl_set_min_version( &ssl, MBEDTLS_SSL_MAJOR_VERSION_3, opt.min_version );
         if( ret != 0 )
         {
-            polarssl_printf( " failed\n  ! selected min_version is not available\n" );
+            mbedtls_printf( " failed\n  ! selected min_version is not available\n" );
             goto exit;
         }
     }
 
     if( opt.max_version != DFL_MAX_VERSION )
     {
-        ret = ssl_set_max_version( &ssl, SSL_MAJOR_VERSION_3, opt.max_version );
+        ret = mbedtls_ssl_set_max_version( &ssl, MBEDTLS_SSL_MAJOR_VERSION_3, opt.max_version );
         if( ret != 0 )
         {
-            polarssl_printf( " failed\n  ! selected max_version is not available\n" );
+            mbedtls_printf( " failed\n  ! selected max_version is not available\n" );
             goto exit;
         }
     }
 
-#if defined(POLARSSL_SSL_FALLBACK_SCSV)
+#if defined(MBEDTLS_SSL_FALLBACK_SCSV)
     if( opt.fallback != DFL_FALLBACK )
-        ssl_set_fallback( &ssl, opt.fallback );
+        mbedtls_ssl_set_fallback( &ssl, opt.fallback );
 #endif
 
-    polarssl_printf( " ok\n" );
+    mbedtls_printf( " ok\n" );
 
     /*
      * 4. Handshake
      */
-    polarssl_printf( "  . Performing the SSL/TLS handshake..." );
+    mbedtls_printf( "  . Performing the SSL/TLS handshake..." );
     fflush( stdout );
 
-    while( ( ret = ssl_handshake( &ssl ) ) != 0 )
+    while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
     {
-        if( ret != POLARSSL_ERR_NET_WANT_READ && ret != POLARSSL_ERR_NET_WANT_WRITE )
+        if( ret != MBEDTLS_ERR_NET_WANT_READ && ret != MBEDTLS_ERR_NET_WANT_WRITE )
         {
-            polarssl_printf( " failed\n  ! ssl_handshake returned -0x%x\n", -ret );
-            if( ret == POLARSSL_ERR_X509_CERT_VERIFY_FAILED )
-                polarssl_printf(
+            mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n", -ret );
+            if( ret == MBEDTLS_ERR_X509_CERT_VERIFY_FAILED )
+                mbedtls_printf(
                     "    Unable to verify the server's certificate. "
                         "Either it is invalid,\n"
                     "    or you didn't set ca_file or ca_path "
                         "to an appropriate value.\n"
                     "    Alternatively, you may want to use "
                         "auth_mode=optional for testing purposes.\n" );
-            polarssl_printf( "\n" );
+            mbedtls_printf( "\n" );
             goto exit;
         }
     }
 
-    polarssl_printf( " ok\n    [ Protocol is %s ]\n    [ Ciphersuite is %s ]\n",
-            ssl_get_version( &ssl ), ssl_get_ciphersuite( &ssl ) );
+    mbedtls_printf( " ok\n    [ Protocol is %s ]\n    [ Ciphersuite is %s ]\n",
+            mbedtls_ssl_get_version( &ssl ), mbedtls_ssl_get_ciphersuite( &ssl ) );
 
-    if( ( ret = ssl_get_record_expansion( &ssl ) ) >= 0 )
-        polarssl_printf( "    [ Record expansion is %d ]\n", ret );
+    if( ( ret = mbedtls_ssl_get_record_expansion( &ssl ) ) >= 0 )
+        mbedtls_printf( "    [ Record expansion is %d ]\n", ret );
     else
-        polarssl_printf( "    [ Record expansion is unknown (compression) ]\n" );
+        mbedtls_printf( "    [ Record expansion is unknown (compression) ]\n" );
 
-#if defined(POLARSSL_SSL_ALPN)
+#if defined(MBEDTLS_SSL_ALPN)
     if( opt.alpn_string != NULL )
     {
-        const char *alp = ssl_get_alpn_protocol( &ssl );
-        polarssl_printf( "    [ Application Layer Protocol is %s ]\n",
+        const char *alp = mbedtls_ssl_get_alpn_protocol( &ssl );
+        mbedtls_printf( "    [ Application Layer Protocol is %s ]\n",
                 alp ? alp : "(none)" );
     }
 #endif
 
     if( opt.reconnect != 0 )
     {
-        polarssl_printf("  . Saving session for reuse..." );
+        mbedtls_printf("  . Saving session for reuse..." );
         fflush( stdout );
 
-        if( ( ret = ssl_get_session( &ssl, &saved_session ) ) != 0 )
+        if( ( ret = mbedtls_ssl_get_session( &ssl, &saved_session ) ) != 0 )
         {
-            polarssl_printf( " failed\n  ! ssl_get_session returned -0x%x\n\n", -ret );
+            mbedtls_printf( " failed\n  ! mbedtls_ssl_get_session returned -0x%x\n\n", -ret );
             goto exit;
         }
 
-        polarssl_printf( " ok\n" );
+        mbedtls_printf( " ok\n" );
     }
 
-#if defined(POLARSSL_X509_CRT_PARSE_C)
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
     /*
      * 5. Verify the server certificate
      */
-    polarssl_printf( "  . Verifying peer X.509 certificate..." );
+    mbedtls_printf( "  . Verifying peer X.509 certificate..." );
 
-    if( ( ret = ssl_get_verify_result( &ssl ) ) != 0 )
+    if( ( ret = mbedtls_ssl_get_verify_result( &ssl ) ) != 0 )
     {
-        polarssl_printf( " failed\n" );
+        mbedtls_printf( " failed\n" );
 
-        if( ( ret & BADCERT_EXPIRED ) != 0 )
-            polarssl_printf( "  ! server certificate has expired\n" );
+        if( ( ret & MBEDTLS_BADCERT_EXPIRED ) != 0 )
+            mbedtls_printf( "  ! server certificate has expired\n" );
 
-        if( ( ret & BADCERT_REVOKED ) != 0 )
-            polarssl_printf( "  ! server certificate has been revoked\n" );
+        if( ( ret & MBEDTLS_X509_BADCERT_REVOKED ) != 0 )
+            mbedtls_printf( "  ! server certificate has been revoked\n" );
 
-        if( ( ret & BADCERT_CN_MISMATCH ) != 0 )
-            polarssl_printf( "  ! CN mismatch (expected CN=%s)\n", opt.server_name );
+        if( ( ret & MBEDTLS_X509_BADCERT_CN_MISMATCH ) != 0 )
+            mbedtls_printf( "  ! CN mismatch (expected CN=%s)\n", opt.server_name );
 
-        if( ( ret & BADCERT_NOT_TRUSTED ) != 0 )
-            polarssl_printf( "  ! self-signed or not signed by a trusted CA\n" );
+        if( ( ret & MBEDTLS_X509_BADCERT_NOT_TRUSTED ) != 0 )
+            mbedtls_printf( "  ! self-signed or not signed by a trusted CA\n" );
 
-        polarssl_printf( "\n" );
+        mbedtls_printf( "\n" );
     }
     else
-        polarssl_printf( " ok\n" );
+        mbedtls_printf( " ok\n" );
 
-    if( ssl_get_peer_cert( &ssl ) != NULL )
+    if( mbedtls_ssl_get_peer_cert( &ssl ) != NULL )
     {
-        polarssl_printf( "  . Peer certificate information    ...\n" );
-        x509_crt_info( (char *) buf, sizeof( buf ) - 1, "      ",
-                       ssl_get_peer_cert( &ssl ) );
-        polarssl_printf( "%s\n", buf );
+        mbedtls_printf( "  . Peer certificate information    ...\n" );
+        mbedtls_x509_crt_info( (char *) buf, sizeof( buf ) - 1, "      ",
+                       mbedtls_ssl_get_peer_cert( &ssl ) );
+        mbedtls_printf( "%s\n", buf );
     }
-#endif /* POLARSSL_X509_CRT_PARSE_C */
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
 
-#if defined(POLARSSL_SSL_RENEGOTIATION)
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
     if( opt.renegotiate )
     {
         /*
          * Perform renegotiation (this must be done when the server is waiting
          * for input from our side).
          */
-        polarssl_printf( "  . Performing renegotiation..." );
+        mbedtls_printf( "  . Performing renegotiation..." );
         fflush( stdout );
-        while( ( ret = ssl_renegotiate( &ssl ) ) != 0 )
+        while( ( ret = mbedtls_ssl_renegotiate( &ssl ) ) != 0 )
         {
-            if( ret != POLARSSL_ERR_NET_WANT_READ &&
-                ret != POLARSSL_ERR_NET_WANT_WRITE )
+            if( ret != MBEDTLS_ERR_NET_WANT_READ &&
+                ret != MBEDTLS_ERR_NET_WANT_WRITE )
             {
-                polarssl_printf( " failed\n  ! ssl_renegotiate returned %d\n\n", ret );
+                mbedtls_printf( " failed\n  ! mbedtls_ssl_renegotiate returned %d\n\n", ret );
                 goto exit;
             }
         }
-        polarssl_printf( " ok\n" );
+        mbedtls_printf( " ok\n" );
     }
-#endif /* POLARSSL_SSL_RENEGOTIATION */
+#endif /* MBEDTLS_SSL_RENEGOTIATION */
 
     /*
      * 6. Write the GET request
      */
     retry_left = opt.max_resend;
 send_request:
-    polarssl_printf( "  > Write to server:" );
+    mbedtls_printf( "  > Write to server:" );
     fflush( stdout );
 
-    len = polarssl_snprintf( (char *) buf, sizeof(buf) - 1, GET_REQUEST,
+    len = mbedtls_snprintf( (char *) buf, sizeof(buf) - 1, GET_REQUEST,
                     opt.request_page );
     tail_len = strlen( GET_REQUEST_END );
 
@@ -1371,17 +1371,17 @@
         if( len >= 1 ) buf[len - 1] = '\n';
     }
 
-    if( opt.transport == SSL_TRANSPORT_STREAM )
+    if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM )
     {
         for( written = 0, frags = 0; written < len; written += ret, frags++ )
         {
-            while( ( ret = ssl_write( &ssl, buf + written, len - written ) )
+            while( ( ret = mbedtls_ssl_write( &ssl, buf + written, len - written ) )
                            <= 0 )
             {
-                if( ret != POLARSSL_ERR_NET_WANT_READ &&
-                    ret != POLARSSL_ERR_NET_WANT_WRITE )
+                if( ret != MBEDTLS_ERR_NET_WANT_READ &&
+                    ret != MBEDTLS_ERR_NET_WANT_WRITE )
                 {
-                    polarssl_printf( " failed\n  ! ssl_write returned -0x%x\n\n", -ret );
+                    mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned -0x%x\n\n", -ret );
                     goto exit;
                 }
             }
@@ -1389,13 +1389,13 @@
     }
     else /* Not stream, so datagram */
     {
-        do ret = ssl_write( &ssl, buf, len );
-        while( ret == POLARSSL_ERR_NET_WANT_READ ||
-               ret == POLARSSL_ERR_NET_WANT_WRITE );
+        do ret = mbedtls_ssl_write( &ssl, buf, len );
+        while( ret == MBEDTLS_ERR_NET_WANT_READ ||
+               ret == MBEDTLS_ERR_NET_WANT_WRITE );
 
         if( ret < 0 )
         {
-            polarssl_printf( " failed\n  ! ssl_write returned %d\n\n", ret );
+            mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret );
             goto exit;
         }
 
@@ -1404,53 +1404,53 @@
     }
 
     buf[written] = '\0';
-    polarssl_printf( " %d bytes written in %d fragments\n\n%s\n", written, frags, (char *) buf );
+    mbedtls_printf( " %d bytes written in %d fragments\n\n%s\n", written, frags, (char *) buf );
 
     /*
      * 7. Read the HTTP response
      */
-    polarssl_printf( "  < Read from server:" );
+    mbedtls_printf( "  < Read from server:" );
     fflush( stdout );
 
     /*
      * TLS and DTLS need different reading styles (stream vs datagram)
      */
-    if( opt.transport == SSL_TRANSPORT_STREAM )
+    if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM )
     {
         do
         {
             len = sizeof( buf ) - 1;
             memset( buf, 0, sizeof( buf ) );
-            ret = ssl_read( &ssl, buf, len );
+            ret = mbedtls_ssl_read( &ssl, buf, len );
 
-            if( ret == POLARSSL_ERR_NET_WANT_READ ||
-                ret == POLARSSL_ERR_NET_WANT_WRITE )
+            if( ret == MBEDTLS_ERR_NET_WANT_READ ||
+                ret == MBEDTLS_ERR_NET_WANT_WRITE )
                 continue;
 
             if( ret <= 0 )
             {
                 switch( ret )
                 {
-                    case POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY:
-                        polarssl_printf( " connection was closed gracefully\n" );
+                    case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
+                        mbedtls_printf( " connection was closed gracefully\n" );
                         ret = 0;
                         goto close_notify;
 
                     case 0:
-                    case POLARSSL_ERR_NET_CONN_RESET:
-                        polarssl_printf( " connection was reset by peer\n" );
+                    case MBEDTLS_ERR_NET_CONN_RESET:
+                        mbedtls_printf( " connection was reset by peer\n" );
                         ret = 0;
                         goto reconnect;
 
                     default:
-                        polarssl_printf( " ssl_read returned -0x%x\n", -ret );
+                        mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n", -ret );
                         goto exit;
                 }
             }
 
             len = ret;
             buf[len] = '\0';
-            polarssl_printf( " %d bytes read\n\n%s", len, (char *) buf );
+            mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf );
 
             /* End of message should be detected according to the syntax of the
              * application protocol (eg HTTP), just use a dummy test here. */
@@ -1467,34 +1467,34 @@
         len = sizeof( buf ) - 1;
         memset( buf, 0, sizeof( buf ) );
 
-        do ret = ssl_read( &ssl, buf, len );
-        while( ret == POLARSSL_ERR_NET_WANT_READ ||
-               ret == POLARSSL_ERR_NET_WANT_WRITE );
+        do ret = mbedtls_ssl_read( &ssl, buf, len );
+        while( ret == MBEDTLS_ERR_NET_WANT_READ ||
+               ret == MBEDTLS_ERR_NET_WANT_WRITE );
 
         if( ret <= 0 )
         {
             switch( ret )
             {
-                case POLARSSL_ERR_NET_TIMEOUT:
-                    polarssl_printf( " timeout\n" );
+                case MBEDTLS_ERR_NET_TIMEOUT:
+                    mbedtls_printf( " timeout\n" );
                     if( retry_left-- > 0 )
                         goto send_request;
                     goto exit;
 
-                case POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY:
-                    polarssl_printf( " connection was closed gracefully\n" );
+                case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
+                    mbedtls_printf( " connection was closed gracefully\n" );
                     ret = 0;
                     goto close_notify;
 
                 default:
-                    polarssl_printf( " ssl_read returned -0x%x\n", -ret );
+                    mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n", -ret );
                     goto exit;
             }
         }
 
         len = ret;
         buf[len] = '\0';
-        polarssl_printf( " %d bytes read\n\n%s", len, (char *) buf );
+        mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf );
         ret = 0;
     }
 
@@ -1508,14 +1508,14 @@
      * 8. Done, cleanly close the connection
      */
 close_notify:
-    polarssl_printf( "  . Closing the connection..." );
+    mbedtls_printf( "  . Closing the connection..." );
 
     /* No error checking, the connection might be closed already */
-    do ret = ssl_close_notify( &ssl );
-    while( ret == POLARSSL_ERR_NET_WANT_WRITE );
+    do ret = mbedtls_ssl_close_notify( &ssl );
+    while( ret == MBEDTLS_ERR_NET_WANT_WRITE );
     ret = 0;
 
-    polarssl_printf( " done\n" );
+    mbedtls_printf( " done\n" );
 
     /*
      * 9. Reconnect?
@@ -1525,58 +1525,58 @@
     {
         --opt.reconnect;
 
-        net_close( server_fd );
+        mbedtls_net_close( server_fd );
 
-#if defined(POLARSSL_TIMING_C)
+#if defined(MBEDTLS_TIMING_C)
         if( opt.reco_delay > 0 )
-            m_sleep( 1000 * opt.reco_delay );
+            mbedtls_timing_m_sleep( 1000 * opt.reco_delay );
 #endif
 
-        polarssl_printf( "  . Reconnecting with saved session..." );
+        mbedtls_printf( "  . Reconnecting with saved session..." );
         fflush( stdout );
 
-        if( ( ret = ssl_session_reset( &ssl ) ) != 0 )
+        if( ( ret = mbedtls_ssl_session_reset( &ssl ) ) != 0 )
         {
-            polarssl_printf( " failed\n  ! ssl_session_reset returned -0x%x\n\n", -ret );
+            mbedtls_printf( " failed\n  ! mbedtls_ssl_session_reset returned -0x%x\n\n", -ret );
             goto exit;
         }
 
-        if( ( ret = ssl_set_session( &ssl, &saved_session ) ) != 0 )
+        if( ( ret = mbedtls_ssl_set_session( &ssl, &saved_session ) ) != 0 )
         {
-            polarssl_printf( " failed\n  ! ssl_set_session returned %d\n\n", ret );
+            mbedtls_printf( " failed\n  ! mbedtls_ssl_set_session returned %d\n\n", ret );
             goto exit;
         }
 
-        if( ( ret = net_connect( &server_fd, opt.server_addr, opt.server_port,
-                                 opt.transport == SSL_TRANSPORT_STREAM ?
-                                 NET_PROTO_TCP : NET_PROTO_UDP ) ) != 0 )
+        if( ( ret = mbedtls_net_connect( &server_fd, opt.server_addr, opt.server_port,
+                                 opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ?
+                                 MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP ) ) != 0 )
         {
-            polarssl_printf( " failed\n  ! net_connect returned -0x%x\n\n", -ret );
+            mbedtls_printf( " failed\n  ! mbedtls_net_connect returned -0x%x\n\n", -ret );
             goto exit;
         }
 
         if( opt.nbio > 0 )
-            ret = net_set_nonblock( server_fd );
+            ret = mbedtls_net_set_nonblock( server_fd );
         else
-            ret = net_set_block( server_fd );
+            ret = mbedtls_net_set_block( server_fd );
         if( ret != 0 )
         {
-            polarssl_printf( " failed\n  ! net_set_(non)block() returned -0x%x\n\n",
+            mbedtls_printf( " failed\n  ! net_set_(non)block() returned -0x%x\n\n",
                     -ret );
             goto exit;
         }
 
-        while( ( ret = ssl_handshake( &ssl ) ) != 0 )
+        while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
         {
-            if( ret != POLARSSL_ERR_NET_WANT_READ &&
-                ret != POLARSSL_ERR_NET_WANT_WRITE )
+            if( ret != MBEDTLS_ERR_NET_WANT_READ &&
+                ret != MBEDTLS_ERR_NET_WANT_WRITE )
             {
-                polarssl_printf( " failed\n  ! ssl_handshake returned -0x%x\n\n", -ret );
+                mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n", -ret );
                 goto exit;
             }
         }
 
-        polarssl_printf( " ok\n" );
+        mbedtls_printf( " ok\n" );
 
         goto send_request;
     }
@@ -1585,30 +1585,30 @@
      * Cleanup and exit
      */
 exit:
-#ifdef POLARSSL_ERROR_C
+#ifdef MBEDTLS_ERROR_C
     if( ret != 0 )
     {
         char error_buf[100];
-        polarssl_strerror( ret, error_buf, 100 );
-        polarssl_printf("Last error was: -0x%X - %s\n\n", -ret, error_buf );
+        mbedtls_strerror( ret, error_buf, 100 );
+        mbedtls_printf("Last error was: -0x%X - %s\n\n", -ret, error_buf );
     }
 #endif
 
     if( server_fd )
-        net_close( server_fd );
+        mbedtls_net_close( server_fd );
 
-#if defined(POLARSSL_X509_CRT_PARSE_C)
-    x509_crt_free( &clicert );
-    x509_crt_free( &cacert );
-    pk_free( &pkey );
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+    mbedtls_x509_crt_free( &clicert );
+    mbedtls_x509_crt_free( &cacert );
+    mbedtls_pk_free( &pkey );
 #endif
-    ssl_session_free( &saved_session );
-    ssl_free( &ssl );
-    ctr_drbg_free( &ctr_drbg );
-    entropy_free( &entropy );
+    mbedtls_ssl_session_free( &saved_session );
+    mbedtls_ssl_free( &ssl );
+    mbedtls_ctr_drbg_free( &ctr_drbg );
+    mbedtls_entropy_free( &entropy );
 
 #if defined(_WIN32)
-    polarssl_printf( "  + Press Enter to exit this program.\n" );
+    mbedtls_printf( "  + Press Enter to exit this program.\n" );
     fflush( stdout ); getchar();
 #endif
 
@@ -1618,6 +1618,6 @@
 
     return( ret );
 }
-#endif /* POLARSSL_BIGNUM_C && POLARSSL_ENTROPY_C && POLARSSL_SSL_TLS_C &&
-          POLARSSL_SSL_CLI_C && POLARSSL_NET_C && POLARSSL_RSA_C &&
-          POLARSSL_CTR_DRBG_C */
+#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
+          MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C &&
+          MBEDTLS_CTR_DRBG_C */