From 11a394e2ef912c5e1513a98b65686f22bc61729e Mon Sep 17 00:00:00 2001
From: Sambo Chea <sombochea@cubetiqs.com>
Date: Sun, 2 Aug 2020 11:35:29 +0700
Subject: [PATCH] Add display menu for show details

---
 work1/single.c | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/work1/single.c b/work1/single.c
index 81bb674..b43b9c5 100644
--- a/work1/single.c
+++ b/work1/single.c
@@ -19,16 +19,29 @@ struct student_tag {
     struct student_tag *next;
 };
 
-void display_students(void);
-void search_student(void);
-void find_maximum(void);
-void find_failed(void);
+// core functions
+void display_students();
+void search_student();
+void find_maximum();
+void find_failed();
 void update_file();
 void read_file();
 void quite();
 
+// util functions
+void display_menu();
+
 int main(void) {
     printf("Welcome!");
 
     printf("Goodbye!");
+}
+
+void display_menu() {
+    printf("(1) Display students’ details\n");
+    printf("(2) Search for a student’s mark\n");
+    printf("(3) Find the details of student with the largest average\n");
+    printf("(4) Find the details of failed students\n");
+    printf("(5) Add new student to the record\n");
+    printf("(6) Quit program\n");
 }
\ No newline at end of file