#include <stdio.h>
#include <time.h>
#include <string.h>

int dow(int yy, int mm, int dd){
	struct tm tsruct;
	tsruct.tm_mday  = dd;
	tsruct.tm_mon   = mm-1;
	tsruct.tm_year  = yy-1900;
	tsruct.tm_hour  = 0;
	tsruct.tm_min   = 0;
	tsruct.tm_sec   = 1;
	tsruct.tm_isdst = -1;
	if(mktime(&tsruct)==-1) tsruct.tm_wday=7;	// error
	return (tsruct.tm_wday);
}

void sysDate(int *yy, int *mm, int *dd){
	time_t t;
	struct tm *tb;

	/* Get time into t */
	t = time(NULL);
	/* Convert time value t into structure pointed to by tb */
	tb = localtime(&t);

	*dd = tb->tm_mday;
	*mm = tb->tm_mon+1;
	*yy = tb->tm_year+1900;
}

void sysTime(int *hh, int *mm, int *ss){
	time_t t;
	struct tm *tb;

	/* Get time into t */
	t = time(NULL);
	/* Convert time value t into structure pointed to by tb */
	tb = localtime(&t);

	*hh = tb->tm_hour;
	*mm = tb->tm_min;
	*ss = tb->tm_sec;
}

/*
main(){
	int dd,mm,yy,n;
	sysDate(&yy,&mm,&dd);
	n = dow(yy,mm,dd);
	printf("今天是 %i年%02i月%02i日",yy,mm,dd);
	printf("(星期%i)\n",n);

	return 0;
}
*/