#ifndef DICTIONARY_H_INCLUDED
#define DICTIONARY_H_INCLUDED

/*  initializes the dictionary. 
 */
extern void dictionary_init(); 

/*  clears all previously inserted entries.
 */
extern void dictionary_clear(); 
 
/*  adds a word. Returns 1 when successful or 0 in case of failure. 
 */
extern int dictionary_add(const char * word);

/*  returns 1 if the given word is in the dictionary, or 0 otherwise. 
 */
extern int dictionary_search(const char * word);

#endif