/*                                                                                        
 * singlystack.c - singly linked list stack implementation
 *
 */
#include "mystack.h"

int main()
{
    Node *tmp;
    int input = 0;

    printf("Enter a value (-1 to stop): ");
    scanf("%d", &input);

    stack = top = NULL;
    while (input != -1) 
    {   
        push(input);
        printf("Enter a value (-1 to stop): ");
        scanf("%d", &input);
    }   

    printf("Stack created. Popping time.\n");

    while ((tmp = pop()) != NULL)
    {   
        printf("POPPED: %d\n", tmp -> value);
        free(tmp);
    }   
    printf("POPPED: NULL\n");

    return(0);
}