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#include<stdlib.h>
#include<stdio.h>
#include<string.h>
/*#define NULL 0*/
/* ×Ô¶¨Òå±äÁ¿ */
#define sy_if 0
#define sy_then 1
#define sy_else 2
#define sy_while 3
#define sy_begin 4
#define sy_do 5
#define sy_end 6
#define a 7
#define semicolon 8
#define e 9
#define jinghao 10
#define S 11
#define L 12
#define tempsy 15
#define EA 18 /*E end*/
#define EO 19 /*E or*/
#define plus 34
#define times 36
#define becomes 38
#define op_and 39
#define op_or 40
#define op_not 41
#define rop &nbs
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