/*
 * File:
 *   list.h
 * Authors:
 *   CSC195 2003S
 * Summary:
 *   General list structures, independent of implementation.
 */

#ifndef _LIST_H_
#define _LIST_H_

typedef struct node {
  void *contents;
  struct node *next;
} node;

typedef struct LIST {
  node *head;
  node *current;
  int length;
} *list;

#endif /* _LIST_H_ */