#define FILE_BUSY 0x0001
#define FILE_SCANNED 0x0002
-#define FILE_PRINTED 0x0004
typedef enum tristate {
no, mod, yes
#define SYMBOL_CHECK 0x0008
#define SYMBOL_CHOICE 0x0010
#define SYMBOL_CHOICEVAL 0x0020
-#define SYMBOL_PRINTED 0x0040
#define SYMBOL_VALID 0x0080
#define SYMBOL_OPTIONAL 0x0100
#define SYMBOL_WRITE 0x0200