利用结构知识定义一个好友档案结构，成员包括：姓名（字符串）、性别（字符）、电话（字符串）、生日（日期结构：年月日）。编程实现数据的输入、输出和按姓名查找。-Structural definition of a friend using knowledge of file structure comprising: name (string), gender (character), telephone (string), date of birth (date structure: month, day). Programming data input, output, and find by name.