ADD file via upload

menu.h

@@ -0,0 +1,27 @@
+#ifndef MENU_H // 保护定义，防止.h文件被重复调用
+#define MENU_H
+
+
+#define MAX_STUDENTS 100
+#define MAX_STRING 20
+
+typedef struct {
+    char id[MAX_STRING];
+    char clas[MAX_STRING];
+    char name[MAX_STRING];
+    double score1;
+    double score2;
+    double score3;
+    double score;
+} Student;
+
+void displayMenu();
+void inputStudentInfo(Student students[], int* count);
+void displayStudentInfo(Student students[], int count);
+void insertStudentInfo(Student students[], int* count);
+void deleteStudentInfo(Student students[], int* count);
+void modifyStudentInfo(Student students[], int count);
+void queryStudentInfo(Student students[], int count);
+
+
+#endif