shithub: scc

ref: 48669bd9d1a6bbec7837e05e81f6f283e5d0858a
dir: /src/libc/time/_newyear.c/

View raw version
/*
 * Happy New Year!!!!
 */
int
_newyear(int year)
{
	int day;

	year += 1900 - 1;
	day = 1 + year + year/4;
	day -= year/100;
	day += year/400;

	return day % 7;
}