1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
/* month_day: return month,day from day of year */
/* 07/21/04 1.4 wvd Add () to defn of leap */
#include "calfuse.h"
void month_day(int year, int yearday, int *pmonth, int *pday)
{
static char daytab[2][13]={
{0,31,28,31,30,31,30,31,31,30,31,30,31},
{0,31,29,31,30,31,30,31,31,30,31,30,31}
};
int i, leap;
leap = ((year%4 == 0 && year%100 != 0) || year%400 == 0);
for (i=1; yearday>daytab[leap][i]; i++)
yearday-=daytab[leap][i];
*pmonth=i;
*pday=yearday;
}
|
