这是一个用c语言编写的，第一代身份证转化成第二代的程序。输入原来的15位，得到好来的18位，并且打印出性别、年龄、出生日期等。-This is a language with c, the first generation ID cards into a second-generation procedures. Enter the original 15, have been good to 18, and print out the sex, age, date of birth.