c语言实现人民币转换成大写中文数字

本人代码新手orz，发帖记录，如有错误请指正！

方法比较笨

示例：

Please input the price: 42.5

The Chinese form is: 肆拾贰圆伍角

Please input the price: 42.53

The Chinese form is: 肆拾贰圆伍角叁分

Please input the price: 42

The Chinese form is: 肆拾贰圆整

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

void moneychange(double m)
{
    char a1[][3] = {"零","壹","贰","叁","肆","伍","陆","柒","捌","玖"};
    char a2[][3] = {"拾","佰",