/**
   **  Mark Przybocki
   **  598 Unix/c
   **
   **  Project #7:  PART I  (creating a library)
   **
   **  Filename:  LLIST.H
   **             header file for the liblist.a library
   **             and other linked list functions.
   **
   **/
  
  /** DEFINE THE BASIC NODE STRUCTURE **/
  
  typedef struct lnode LList;
  struct lnode
  {
   void *data;  /* data element            */
   void *next;  /* pointer to next element */
  };
  
  /** FUNCTION PROTO-TYPING **/
  
      /* file: llist.c */
  
  int LL_put_tail(LList **, void *);
  int LL_put_front(LList **, void *);
  int LL_get_first(LList **, void **);
  void LL_init(LList **);
  void LL_copy(LList **, LList **);
  int LL_empty(LList *);