r *, int, int,
		     struct re_registers *);
extern void re_set_casetable (const char *table);
extern void re_copy_registers (struct re_registers*, struct re_registers*);
extern void re_free_registers (struct re_registers*);

#ifndef RUBY
/* 4.2 bsd compatibility.  */
extern char *re_comp (const char *);
extern int re_exec (const char *);
#endif

#else /* !__STDC__ */

extern char *re_compile_pattern ();
void re_free_regexp ();
/* Is this really advertised? */
extern int re_adjust_startpos ();
extern void re_compile_fastmap ();
extern int re_search ();
extern int re_match ();
extern void re_set_casetable ();
extern void re_copy_registers ();
extern void re_free_registers ();

#endif /* __STDC__ */

#endif /* !__REGEXP_LIBRARY */