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29 * @(#)arith.h 1.1 (Berkeley) 5/4/95
35 #define DIGITS(var) (3 + (2 + CHAR_BIT * sizeof((var))) / 3)
37 arith_t arith(const char *);
38 void arith_lex_reset(void);
39 int expcmd(int, char **);