289 get_error_string(int ret) {  in get_error_string()  function
441                -ret, get_error_string(ret));  in cert_verify_callback_mbedtls()
482                  -ret, get_error_string(ret));  in setup_pki_credentials()
490                  -ret, get_error_string(ret));  in setup_pki_credentials()
497                  -ret, get_error_string(ret));  in setup_pki_credentials()
515                  -ret, get_error_string(ret));  in setup_pki_credentials()
553                  -ret, get_error_string(ret));  in setup_pki_credentials()
578                  -ret, get_error_string(ret));  in setup_pki_credentials()
585                  -ret, get_error_string(ret));  in setup_pki_credentials()
622                  -ret, get_error_string(ret));  in setup_pki_credentials()
641                  -ret, get_error_string(ret));  in setup_pki_credentials()
650                  -ret, get_error_string(ret));  in setup_pki_credentials()
657                  -ret, get_error_string(ret));  in setup_pki_credentials()
675                  -ret, get_error_string(ret));  in setup_pki_credentials()
698                -ret, get_error_string(ret));  in setup_pki_credentials()
707                -ret, get_error_string(ret));  in setup_pki_credentials()
899              -ret, get_error_string(ret));  in setup_server_ssl_session()
939              -ret, get_error_string(ret));  in setup_server_ssl_session()
1047                -ret, get_error_string(ret));  in setup_client_ssl_session()
1220              -ret, get_error_string(ret));  in do_mbedtls_handshake()
1235            get_error_string(ret));  in do_mbedtls_handshake()
1295              -ret, get_error_string(ret));  in coap_dtls_new_mbedtls_env()
1612                  -ret, get_error_string(ret));  in coap_dtls_send()
1768                -ret, get_error_string(ret), data_len);  in coap_dtls_receive()
1854              -ret, get_error_string(ret));  in coap_dtls_hello()