#include <stdlib.h>
#include "stack.h"
#include "myoperate.h"

#ifndef __RPN_H__
#define __RPN_H__

    #define MAX_NUM_SIZE (100)
    #define MAX_EXPRESSION_SIZE (1000)

    int find_priority( char a, char b );
    char *middle_to_last( char *toreverse );
    char *get_stack_num( SqStack *s );
    char *last_to_ans( char *last );

#endif