Move WANT_READ/WANT_WRITE codes to SSL
diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index 7b85ce8..6f6836d 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -409,11 +409,11 @@
     if( first_try )
     {
         first_try = 0;
-        return( MBEDTLS_ERR_NET_WANT_READ );
+        return( MBEDTLS_ERR_SSL_WANT_READ );
     }
 
     ret = mbedtls_net_recv( ctx, buf, len );
-    if( ret != MBEDTLS_ERR_NET_WANT_READ )
+    if( ret != MBEDTLS_ERR_SSL_WANT_READ )
         first_try = 1; /* Next call will be a new operation */
     return( ret );
 }
@@ -426,11 +426,11 @@
     if( first_try )
     {
         first_try = 0;
-        return( MBEDTLS_ERR_NET_WANT_WRITE );
+        return( MBEDTLS_ERR_SSL_WANT_WRITE );
     }
 
     ret = mbedtls_net_send( ctx, buf, len );
-    if( ret != MBEDTLS_ERR_NET_WANT_WRITE )
+    if( ret != MBEDTLS_ERR_SSL_WANT_WRITE )
         first_try = 1; /* Next call will be a new operation */
     return( ret );
 }
@@ -1874,8 +1874,8 @@
     fflush( stdout );
 
     do ret = mbedtls_ssl_handshake( &ssl );
-    while( ret == MBEDTLS_ERR_NET_WANT_READ ||
-           ret == MBEDTLS_ERR_NET_WANT_WRITE );
+    while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
+           ret == MBEDTLS_ERR_SSL_WANT_WRITE );
 
     if( ret == MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED )
     {
@@ -1959,8 +1959,8 @@
             memset( buf, 0, sizeof( buf ) );
             ret = mbedtls_ssl_read( &ssl, buf, len );
 
-            if( ret == MBEDTLS_ERR_NET_WANT_READ ||
-                ret == MBEDTLS_ERR_NET_WANT_WRITE )
+            if( ret == MBEDTLS_ERR_SSL_WANT_READ ||
+                ret == MBEDTLS_ERR_SSL_WANT_WRITE )
                 continue;
 
             if( ret <= 0 )
@@ -2050,8 +2050,8 @@
         memset( buf, 0, sizeof( buf ) );
 
         do ret = mbedtls_ssl_read( &ssl, buf, len );
-        while( ret == MBEDTLS_ERR_NET_WANT_READ ||
-               ret == MBEDTLS_ERR_NET_WANT_WRITE );
+        while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
+               ret == MBEDTLS_ERR_SSL_WANT_WRITE );
 
         if( ret <= 0 )
         {
@@ -2086,8 +2086,8 @@
 
         while( ( ret = mbedtls_ssl_renegotiate( &ssl ) ) != 0 )
         {
-            if( ret != MBEDTLS_ERR_NET_WANT_READ &&
-                ret != MBEDTLS_ERR_NET_WANT_WRITE )
+            if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
+                ret != MBEDTLS_ERR_SSL_WANT_WRITE )
             {
                 mbedtls_printf( " failed\n  ! mbedtls_ssl_renegotiate returned %d\n\n", ret );
                 goto reset;
@@ -2120,8 +2120,8 @@
                     goto reset;
                 }
 
-                if( ret != MBEDTLS_ERR_NET_WANT_READ &&
-                    ret != MBEDTLS_ERR_NET_WANT_WRITE )
+                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 reset;
@@ -2132,8 +2132,8 @@
     else /* Not stream, so datagram */
     {
         do ret = mbedtls_ssl_write( &ssl, buf, len );
-        while( ret == MBEDTLS_ERR_NET_WANT_READ ||
-               ret == MBEDTLS_ERR_NET_WANT_WRITE );
+        while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
+               ret == MBEDTLS_ERR_SSL_WANT_WRITE );
 
         if( ret < 0 )
         {
@@ -2163,7 +2163,7 @@
 
     /* No error checking, the connection might be closed already */
     do ret = mbedtls_ssl_close_notify( &ssl );
-    while( ret == MBEDTLS_ERR_NET_WANT_WRITE );
+    while( ret == MBEDTLS_ERR_SSL_WANT_WRITE );
     ret = 0;
 
     mbedtls_printf( " done\n" );