+ {
+ ID_TO,
+ "^\\([Tt][Oo]\\|[Cc][Cc]\\|[Bb][Cc][Cc]\\): ",
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+ },
+
+ {
+ ID_SUBJECT,
+ "^[Ss][Uu][Bb][Jj][Ee][Cc][Tt]: ",
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+ },
+
+ {
+ ID_DATE,
+ "^[Dd][Aa][Tt][Ee]: ",
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+ },
+
+};
+
+/********************************************************************/
+
+int xor(int a, int b) {
+ return (a && !b) || (!a && b);
+}