day) { int leap; int tday=0; int i; if((year%4==0&&year%100!=0)||year%400==0) leap=0; else leap=1; for(i=0;i<month;i++) { tday=tday+month_day[leap][i]; } tday=tday+day; } void month_of_year(int year,int tday,int * month,int * day) { int leap; int i=1; *month=0; if((year%4==0&&year%100!=0)||