83     int ret, len;  in main()  local
112     if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,  in main()
116         mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );  in main()
128     ret = mbedtls_x509_crt_parse( &cacert, (const unsigned char *) mbedtls_test_cas_pem,  in main()
130     if( ret < 0 )  in main()
132         mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n", -ret );  in main()
136     mbedtls_printf( " ok (%d skipped)\n", ret );  in main()
144     if( ( ret = mbedtls_net_connect( &server_fd, SERVER_NAME,  in main()
147         mbedtls_printf( " failed\n  ! mbedtls_net_connect returned %d\n\n", ret );  in main()
159     if( ( ret = mbedtls_ssl_config_defaults( &conf,  in main()
164         mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret );  in main()
177     if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )  in main()
179         mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret );  in main()
183     if( ( ret = mbedtls_ssl_set_hostname( &ssl, "mbed TLS Server 1" ) ) != 0 )  in main()
185         mbedtls_printf( " failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n", ret );  in main()
197     while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )  in main()
199         if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )  in main()
201             mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n", -ret );  in main()
235     while( ( ret = mbedtls_ssl_write( &ssl, buf, len ) ) <= 0 )  in main()
237         if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )  in main()
239             mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret );  in main()
244     len = ret;  in main()
257         ret = mbedtls_ssl_read( &ssl, buf, len );  in main()
259         if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )  in main()
262         if( ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY )  in main()
265         if( ret < 0 )  in main()
267             mbedtls_printf( "failed\n  ! mbedtls_ssl_read returned %d\n\n", ret );  in main()
271         if( ret == 0 )  in main()
277         len = ret;  in main()
287     if( ret != 0 )  in main()
290         mbedtls_strerror( ret, error_buf, 100 );  in main()
291         mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf );  in main()
308     return( ret );  in main()