#include <stdarg.h>

  
  /* confdata.c */

  void conf_parse(const char *name);
  int conf_read(const char *name);
  int conf_read_simple(const char *name, int);
  int conf_write_defconfig(const char *name);
  int conf_write(const char *name);
  int conf_write_autoconf(void);
  bool conf_get_changed(void);
  void conf_set_changed_callback(void (*fn)(void));
  void conf_set_message_callback(void (*fn)(const char *fmt, va_list ap));

  
  /* menu.c */

  extern struct menu rootmenu;

  bool menu_is_empty(struct menu *menu);
  bool menu_is_visible(struct menu *menu);
  bool menu_has_prompt(struct menu *menu);
  const char * menu_get_prompt(struct menu *menu);
  struct menu * menu_get_root_menu(struct menu *menu);
  struct menu * menu_get_parent_menu(struct menu *menu);
  bool menu_has_help(struct menu *menu);
  const char * menu_get_help(struct menu *menu);

  struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head);
  void menu_get_ext_help(struct menu *menu, struct gstr *help);

  
  /* symbol.c */

  extern struct symbol * symbol_hash[SYMBOL_HASHSIZE];

  struct symbol * sym_lookup(const char *name, int flags);
  struct symbol * sym_find(const char *name);
  const char * sym_expand_string_value(const char *in);
  const char * sym_escape_string_value(const char *in);
  struct symbol ** sym_re_search(const char *pattern);
  const char * sym_type_name(enum symbol_type type);
  void sym_calc_value(struct symbol *sym);
  enum symbol_type sym_get_type(struct symbol *sym);
  bool sym_tristate_within_range(struct symbol *sym,tristate tri);
  bool sym_set_tristate_value(struct symbol *sym,tristate tri);
  tristate sym_toggle_tristate_value(struct symbol *sym);
  bool sym_string_valid(struct symbol *sym, const char *newval);
  bool sym_string_within_range(struct symbol *sym, const char *str);
  bool sym_set_string_value(struct symbol *sym, const char *newval);
  bool sym_is_changable(struct symbol *sym);
  struct property * sym_get_choice_prop(struct symbol *sym);

  const char * sym_get_string_value(struct symbol *sym);

  const char * prop_get_type_name(enum prop_type type);

  
  /* expr.c */

  void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken);