/*
 * This software is part of the SBCL system. See the README file for
 * more information.
 *
 * This software is derived from the CMU CL system, which was
 * written at Carnegie Mellon University and released into the
 * public domain. The software is in the public domain and is
 * provided with absolutely no warranty. See the COPYING and CREDITS
 * files for more information.
 */

/* FIXME: I wonder what this stuff is for. A comment or two would be
 * nice.. */

extern void flush_vars(void);
extern struct var *lookup_by_name(char *name);
extern struct var *lookup_by_obj(lispobj obj);
extern struct var *define_var(char *name, lispobj obj, boolean perm);
extern struct var *define_dynamic_var(char *name,
                                      lispobj update_fn(struct var *var),
                                      boolean perm);

extern char *var_name(struct var *var);
extern lispobj var_value(struct var *var);
extern sword_t var_clock(struct var *var);
extern void var_setclock(struct var *var, sword_t value);