extern int ada_parse (struct parser_state *); /* Defined in ada-exp.y */
-extern void ada_yyerror (char *); /* Defined in ada-exp.y */
+extern void ada_yyerror (const char *); /* Defined in ada-exp.y */
/* Defined in ada-typeprint.c */
extern void ada_print_type (struct type *, const char *, struct ui_file *, int,
extern int user_select_syms (struct block_symbol *, int, int);
-extern int get_selections (int *, int, int, int, char *);
+extern int get_selections (int *, int, int, int, const char *);
extern int ada_scan_number (const char *, int, LONGEST *, int *);
extern int ada_in_variant (LONGEST, struct type *, int);
-extern char *ada_variant_discrim_name (struct type *);
+extern const char *ada_variant_discrim_name (struct type *);
-extern struct value *ada_value_struct_elt (struct value *, char *, int);
+extern struct value *ada_value_struct_elt (struct value *, const char *, int);
extern int ada_is_aligner_type (struct type *);
extern struct type *ada_find_parallel_type (struct type *,
const char *suffix);
-extern LONGEST get_int_var_value (char *, int *);
+extern bool get_int_var_value (const char *, LONGEST &value);
extern struct symbol *ada_find_renaming_symbol (struct symbol *name_sym,
const struct block *block);