getsym.h

能够实现词法分析,是我在学编译时做的,希望多提意见

#include <stdio.h>
#include <stdlib.h>
#include <iostream.h>
#include <string.h>
#include <ctype.h>
#include "b.h"

extern FILE *fp;
extern FILE *err;
extern char *SYM;
extern char *ID;
extern double NUM;

int getSYM();