71     int ret, len;  in main()  local
107         ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;  in main()
115     if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,  in main()
118         mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);  in main()
130     ret = mbedtls_x509_crt_parse(&cacert, (const unsigned char *) mbedtls_test_cas_pem,  in main()
132     if (ret < 0) {  in main()
134                        (unsigned int) -ret);  in main()
138     mbedtls_printf(" ok (%d skipped)\n", ret);  in main()
146     if ((ret = mbedtls_net_connect(&server_fd, SERVER_ADDR,  in main()
148         mbedtls_printf(" failed\n  ! mbedtls_net_connect returned %d\n\n", ret);  in main()
160     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()
178         mbedtls_printf(" failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret);  in main()
182     if ((ret = mbedtls_ssl_set_hostname(&ssl, SERVER_NAME)) != 0) {  in main()
183         mbedtls_printf(" failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n", ret);  in main()
202         ret = mbedtls_ssl_handshake(&ssl);  in main()
203     } while (ret == MBEDTLS_ERR_SSL_WANT_READ ||  in main()
204              ret == MBEDTLS_ERR_SSL_WANT_WRITE);  in main()
206     if (ret != 0) {  in main()
208                        (unsigned int) -ret);  in main()
248         ret = mbedtls_ssl_write(&ssl, (unsigned char *) MESSAGE, len);  in main()
249     } while (ret == MBEDTLS_ERR_SSL_WANT_READ ||  in main()
250              ret == MBEDTLS_ERR_SSL_WANT_WRITE);  in main()
252     if (ret < 0) {  in main()
253         mbedtls_printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n", ret);  in main()
257     len = ret;  in main()
270         ret = mbedtls_ssl_read(&ssl, buf, len);  in main()
271     } while (ret == MBEDTLS_ERR_SSL_WANT_READ ||  in main()
272              ret == MBEDTLS_ERR_SSL_WANT_WRITE);  in main()
274     if (ret <= 0) {  in main()
275         switch (ret) {  in main()
288                 mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n\n", (unsigned int) -ret);  in main()
293     len = ret;  in main()
304         ret = mbedtls_ssl_close_notify(&ssl);  in main()
305     } while (ret == MBEDTLS_ERR_SSL_WANT_WRITE);  in main()
306     ret = 0;  in main()
316     if (ret != 0) {  in main()
318         mbedtls_strerror(ret, error_buf, 100);  in main()
319         mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf);  in main()
334     if (ret < 0) {  in main()
335         ret = 1;  in main()
338     mbedtls_exit(ret);  in main()