[Ultimate perfect and efficient] C language practical algorithm series of student management system _ singly linked list off-order sort _ heap array storage linked list node pointer _ function pointer array

Code

#define _CRT_SECURE_NO_WARNINGS

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

enum
{
   
    
    
	READ_ONLY,
	HIDE,
	SYSTEM = 55,
	TEST
}