Insert At End

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

struct Node{
    int data;
    struct Node* next;
};

struct Node* head = NULL;

void insertAtEnd(int data){
    struct Node* newNode = (struct Node*)malloc(sizeof(struct Node));
    newNode -> data = data;
    newNode -> next = NULL;

    if(head == NULL){
        head = newNode;
    }
    else{
        struct Node* temp = head;
        while(temp -> next != NULL){
            temp = temp -> next;
        }
        temp -> next = newNode;
    }
}

void printList(){
    struct Node* temp = head;
    while(temp != NULL){
        printf("%d ", temp->data);
        temp = temp -> next;
    }
}


int main(){
    insertAtEnd(10);
    insertAtEnd(20);
    insertAtEnd(30);
    insertAtEnd(40);
    printList();
}