如何用C语言编写一个求年龄的程序

//帮你搞了一个,刚有点小错误,修正了一下
#include"stdio.h"
#include"math.h"

typedef struct
{
int year;
int month;
int day;
}Date;

int date[2][12]={{31,28,31,30,31,30,31,31,30,31,30,31},{31,29,31,30,31,30,31,31,30,31,30,31}};

int judge(int year) //判断是否为闰年//
{
int flag=0;
if((year%4==0&&year%100!=0)||year%400==0) flag=1;
else flag=0;
return flag;
}

Date work(Date user[2]) //计算两个日期相差//
{
Date rec,tmpdate;
if(user[1].month>user[0].month||(user[1].month==user[0].month&&user[1].day>=user[0].day))
rec.year=user[1].year-user[0].year;
else
rec.year=user[1].year-user[0].year-1;
tmpdate.year=user[0].year+rec.year;
tmpdate.month=user[0].month;
tmpdate.day=user[0].day;
int m=judge(user[1].year);
if(tmpdate.year<user[1].year)
{
if(tmpdate.day<= user[1].day)
{
rec.month= 12-tmpdate.month+user[1].month;
rec.day= user[1].day-tmpdate.day;
}
else
{
rec.month= 11-tmpdate.month+user[1].month;
rec.day=date[m][user[1].month]-tmpdate.day+ user[1].day;
}
}
else
{
if(tmpdate.day<= user[1].day)
{
rec.month= user[1].month-user[0].month;
rec.day= user[1].day-tmpdate.day;
}
else
{
rec.month= user[1].month-1;
rec.day=date[m][user[1].month]-tmpdate.day+ user[1].day;
}
}
return rec;

}

int main()
{
Date user[2];
int i;
printf("Please input 2 dates(such as 2008.10.2).\n");
for(i=0;i<2;i++)
{
scanf("%d.%d.%d",&user[i].year,&user[i].month,&user[i].day);
}
Date d=work(user);
printf("There are %d years %d month %d days.\n",d.year,d.month,d.day);
getchar();
}

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