计算日期差多少天
#include
#define yes 1
#define no 0
typedef struct date
{
int year;
int month;
int day;
}DATE;
long timedef(DATE d1,DATE d2);
int leap(int year);
int main()
{
DATE date1,date2;
date1.year=2006[......]
计算日期差多少天
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