struct stringdict;

struct stringdict *stringdict_create(void);
void stringdict_destroy(struct stringdict *);

void stringdict_reset(struct stringdict *);
unsigned stringdict_intern(struct stringdict *, const char *);
unsigned stringdict_internlen(struct stringdict *, 
			      const char *, size_t len);

unsigned stringdict_count(const struct stringdict *);

const char *stringdict_getbynum(const struct stringdict *, unsigned index);
unsigned stringdict_findbyname(const struct stringdict *, const char *);
int stringdict_exists(const struct stringdict *, const char *);