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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <conio.h>
#include <math.h>

int resultprocess(char mexp[],double * result);
int tokenprocess(char mexp[],double shuzhi[],char signs[]);
double resultadd(double shuzhi[],char signs[],int sp);

void main()
{
    char mexp[100];
    double result=0;
    printf("Please input the maths expression:\n\nmexp=");
    gets(mexp);

    if(resultprocess(mexp,&result))
            printf("\nThe result of the maths expression is:\n\nresult=%lf\n",result);
    else
            printf("\nThe maths expression is wrong,can't be processed!");
    getch();
}


int resultprocess(char mexp[],double * result)
{
    char signs[100];
    double shuzhi[100];
    int sp;

    sp=tokenprocess(mexp,shuzhi,signs);
    if(sp>0)
    {
        *result=resultadd(shuzhi,signs,sp);
          return 1;
    }
    else
        &nb


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