/* SPDX-License-Identifier: GPL-2.0 */

  #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(int overwrite);

  bool conf_get_changed(void);
  void conf_set_changed_callback(void (*fn)(void));

  void conf_set_message_callback(void (*fn)(const char *s));

  /* 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_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_changeable(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);

  /* preprocess.c */

  enum variable_flavor {
  	VAR_SIMPLE,
  	VAR_RECURSIVE,

  	VAR_APPEND,

  };

  void env_write_dep(FILE *f, const char *auto_conf_name);

  void variable_add(const char *name, const char *value,
  		  enum variable_flavor flavor);

  void variable_all_del(void);

  char *expand_dollar(const char **str);
  char *expand_one_token(const char **str);

  /* expr.c */

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