C语言1900/1/1日期推算

#include <stdio.h>
#include <stdlib.h>
void yrCalc(long int,int*,int*,int*);
int main(int argc, char *argv[]) {
	long int number;
	int year,month,day;
    //inpput
	printf("Pleaese input the total numbers of days from the date 1/1/1900\n");
	scanf("%d",&number);
    //call the function
	yrCalc(number,&year,&month,&day);
    //output
	printf("%d/%d/%d\n",year,month,day);
	system("pause");
	return 0;
}
void yrCalc(long int number,int*year,int*month,int*day){
	*year=1900+number/360;
	*month=1+(number-(number/360)*360)/30;
	*day=1+(number-(number/360)*360-((number-(number/360)*360)/30)*30);
}

(按照每月30天每年360天计算）