分析函数调用关系图,函数和过程的调用关系图

求帮助关于学生信息管理的C语言编程问题(必须是C语言编程，如何实现学生成绩管理系统的C语言中没有链表的# include # include # include # include struct student { charm # includes dio . h # includestdlib . h # include string . hintshoud save 0；/* */struct student { charnum # include # include # include # includestructstudent { charnum[10]；charname[20]；夏塞克斯[5]；浮动等级[3]；floatvfloatsum} stu[50]；intk0void input()；void display()；voidlookandchange()；void average()；void paixu()；void save()；void main(){ inta；do { printf(* * * * * * * * * * * * * * * * * * * * * * * * * * *)；printf(*)；printf(\ t \ twelcomeenterstudentmanagementsystem)；printf(\ t *)；printf(* * * * * * * * * * * * * * * * * * * * * * * * *。
【分析函数调用关系图,函数和过程的调用关系图】求帮助关于学生信息管理的C语言编程问题(必须是C语言编程，如何实现学生成绩管理系统的C语言中没有链表的# include # include # include # include struct student { charm # includes dio . h # includestdlib . h # include string . hintshoud save 0；/* */struct student { charnum # include # include # include # includestructstudent { charnum[10]；charname[20]；夏塞克斯[5]；浮动等级[3]；floatvfloatsum} stu[50]；intk0void input()；void display()；voidlookandchange()；void average()；void paixu()；void save()；void main(){ inta；do { printf(* * * * * * * * * * * * * * * * * * * * * * * * * * *)；printf(*)；printf(\ t \ twelcomeenterstudentmanagementsystem)；printf(\ t *)；printf(* * * * * * * * * * * * * * * * * * * * * * * * *。