57     int ret = 1, len;  in main()  local
97     if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,  in main()
100         mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);  in main()
112     ret = mbedtls_x509_crt_parse(&cacert, (const unsigned char *) mbedtls_test_cas_pem,  in main()
114     if (ret < 0) {  in main()
116                        (unsigned int) -ret);  in main()
120     mbedtls_printf(" ok (%d skipped)\n", ret);  in main()
128     if ((ret = mbedtls_net_connect(&server_fd, SERVER_NAME,  in main()
130         mbedtls_printf(" failed\n  ! mbedtls_net_connect returned %d\n\n", ret);  in main()
142     if ((ret = mbedtls_ssl_config_defaults(&conf,  in main()
146         mbedtls_printf(" failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret);  in main()
159     if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {  in main()
160         mbedtls_printf(" failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret);  in main()
164     if ((ret = mbedtls_ssl_set_hostname(&ssl, SERVER_NAME)) != 0) {  in main()
165         mbedtls_printf(" failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n", ret);  in main()
177     while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {  in main()
178         if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {  in main()
180                            (unsigned int) -ret);  in main()
217     while ((ret = mbedtls_ssl_write(&ssl, buf, len)) <= 0) {  in main()
218         if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {  in main()
219             mbedtls_printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n", ret);  in main()
224     len = ret;  in main()
236         ret = mbedtls_ssl_read(&ssl, buf, len);  in main()
238         if (ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE) {  in main()
242         if (ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY) {  in main()
246         if (ret < 0) {  in main()
247             mbedtls_printf("failed\n  ! mbedtls_ssl_read returned %d\n\n", ret);  in main()
251         if (ret == 0) {  in main()
256         len = ret;  in main()
269         mbedtls_strerror(ret, error_buf, 100);  in main()
270         mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf);  in main()