#define DO(field)	((void) fwrite(tzh.field, sizeof tzh.field, 1, fp))
 		tzh = tzh0;
-		(void) strncpy(tzh.tzh_magic, TZ_MAGIC, sizeof tzh.tzh_magic);
+		memcpy(tzh.tzh_magic, TZ_MAGIC, sizeof tzh.tzh_magic);
 		tzh.tzh_version[0] = ZIC_VERSION;
 		convert(eitol(thistypecnt), tzh.tzh_ttisgmtcnt);

    val beast_vuln: Boolean,
    val session_ticket_supported: Boolean,
    val tls_compression_supported: Boolean,
    val ephemeral_keys_supported: Boolean,
    val rating: String,
    val tls_version: String,
    val able_to_detect_n_minus_one_splitting: Boolean,
    val insecure_cipher_suites: Map<String, List<String>>,
    val given_cipher_suites: List<String>?,
  )

  @Test
  @Disabled