Stack using singly-linked list

Stack.h

//
//  Stack.h
//  Data Structures
//
//  Created by Salvador Guerrero on 3/15/16.
//  Copyright © 2016 ByteApps. All rights reserved.
//

/*
 * Stack using singly-linked list
 *
 * A samples can be found at: https://github.com/ObjSal/Data-Structures
 */

#include "List.h"

#ifndef Stack_h
#define Stack_h

typedef struct list Stack;

void stack_push(Stack **stack, item_type item)
{
    list_insert(stack, item);
}

Stack* stack_pop(Stack **stack)
{
    Stack *popped_node = *stack;
    *stack = (*stack)->next;

    popped_node->next = NULL; // this is now a standalone node.

    return popped_node;
}

#endif /* Stack_h */