#ifndef SLIST_H
#define SLIST_H

#include "tree.h"

typedef
  struct cell{
    node* letter;
    cell* next;}
//defs
  cell, *List;


//function
List* make_empty_List();
int is_empty(List);
int isIn_list(List,char);
void addAlpha(List*,char);
void addHead(List*,char);
void addNext(List*,char);



#endif //SLIST_H