用C语言开发的万年历，简洁易用。模仿现实生活中的挂历,当前页以系统当前日期的月份为准显示当前月的每一天(显示出日及对应的星期几).当系统日期变到下一月时,系统自动翻页到下一月。-Calendar developed using C language, user-friendly. Mimic real-life calendar, the current page to the system subject to the current month of the date shown for each day of the current month (shows the date and correspond to the days of the week). When the system date change to the next month, the system automatically flip to the next in January.