C语言课程设计学生成绩管理系统

#include<stdio.h> #include<stdlib.h> #include<conio.h> #include<string.h> #define INITIAL_SIZE 100 #define INCR_SIZE 50 #define NUM_SUBJECT 5 struct student_info{ char number[15]; char name[20]; char gender[4]; float score[NUM_SUBJECT]; float sum; float average; }; typedef struct student_info Student; extern int numStus; extern Student* records; extern char savedTag; extern int arraySize; extern char* subject[]; void handle_menu(void); int menu_select(void); void addRecord(void); void display(void); void queryInfo(void); void removeRecord(void); void sortInfo(void); int saveRecords(void); int loadRecords(void); void quit(void); void showTable(void); int findRecord(char* target,int targetType,int from); void copyRecord(Student*src,Student*dest);