An In-Depth Understanding of Memory and Pointers in C

Challenge: Inserting Elements in a Linked List

Test your knowledge by solving this coding challenge.

We'll cover the following...

Introduction
The listLength function
The insertAtPos function

Introduction

To practice working with linked lists, you’ll have to implement the following functions:

listLength, which returns the number of elements inside a linked list.
insertAtPos, which inserts an element at a specified position inside a list.

The `listLength` function

Problem statement

Write a function listLength, which takes a list as input and returns the number of elements inside the list.

For example:

For the list [1, 2, 3, 4, 5], return 5, which is the number of elements.
For the empty list [], return

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