+/* Magic numbers.
+
+ Both of these are actually $FL2 in the respective character set. The "FL2"
+ part is invariant among national variants of each character set, but "$" has
+ different encodings, so it is safer to write them as hexadecimal. */
+#define ASCII_MAGIC "\x24\x46\x4c\x32"
+#define EBCDIC_MAGIC "\x5b\xc6\xd3\xf2"
+