C语言编程，学生成绩管理系统，要求实现以下功能，急求大佬帮忙，

# include # include # include # include # include void menu(struct student *parr,int len);void sore(struct student *parr,int len);void output(struct student *parr,int *len);void input(struct student *parr,int len);void write(struct student *parr,int len);