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

struct StrListElement
{	
	int value;
	struct StrListElement* next;
};

int main()
{
	struct StrListElement* head = NULL; //Head of the singly linked list
	struct StrListElement* str_elem_ptr; 
	int i;
	for( i = 0; i < 5; i++)
	{
		//Create an element which is going to be added into the list
		str_elem_ptr = (struct StrListElement* ) malloc ( sizeof(struct StrListElement));
		str_elem_ptr -> value = i;
		
		//Add new element to the head of the list
		str_elem_ptr -> next = head;
		head = str_elem_ptr;
	}

	//Traverse the whole list
	printf("Output the list:\n");
	str_elem_ptr = head;
	while(str_elem_ptr != NULL)
	{
		printf("%d\n", str_elem_ptr->value);
		str_elem_ptr = str_elem_ptr -> next;
	}	

	//Delete elements in the list from the head. Free the memory of deleted elements
	while(head != NULL)
	{
		str_elem_ptr = head;
		head = str_elem_ptr -> next;
		free(str_elem_ptr);
	}	

	return 0;
}