Revise paste "Linked List" rev_01

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- Project: "Linked List"
	- Source Code NOT compiled for: Arduino Uno
	- Source Code created on: 2024-11-08 04:29:34

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* This Arduino project focuses on integrating */
	/* sensors and actuators to create an automated */
	/* system, enhancing functionality through responsive */
	/* programming and reliable performance. */
/****** END SYSTEM REQUIREMENTS *****/

/* START CODE */

/****** DEFINITION OF LIBRARIES *****/
#include <Arduino.h>  // Include Arduino library for Arduino functions

struct node {
    int data;
    struct node* link;
};

struct node* head;
struct node* current;

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);

void setup(void)
{
    // Initialize the linked list with nodes
    head = (struct node*)malloc(sizeof(struct node)); // Allocate memory for head
    head->data = 45;
    head->link = NULL;

current = (struct node*)malloc(sizeof(struct node)); // Allocate memory for current
    current->data = 98;
    current->link = NULL;

head->link = current;

current = (struct node*)malloc(sizeof(struct node)); // Allocate memory for another node
    current->data = 3;
    current->link = NULL;

head->link->link = current;

// The following lines are commented out because they are not compatible with Arduino
    // struct node *ptr;
    // ptr = head;
    // current = malloc(sizeof(struct node)); // Missing closing parenthesis
    // Serial.print("data want to insert="); // Use Serial for output
    // while (!Serial.available()); // Wait for user input
    // int x = Serial.parseInt(); // Read integer from Serial
    // current->link = NULL; // Missing semicolon
    // struct node*ptr, // Duplicate declaration
    // ptr = head;
    // while(ptr->link != NULL) // Incorrect spacing
    // {
    //     ptr = ptr->link;
    // }
    // ptr->link = current;
}

void loop(void)
{
    // put your main code here, to run repeatedly:
}

/* END CODE */