tree tree_code_init_parameters (void);
tree tree_code_add_parameter (tree list, tree proto_exp, tree exp);
tree tree_code_get_integer_value (unsigned char *chars, unsigned int length);
void tree_code_generate_return (tree type, tree exp);
void tree_ggc_storage_always_used (void *m);
tree tree_code_get_expression (unsigned int exp_type, tree type, tree op1,
tree op2, tree op3, location_t loc);
tree tree_code_get_numeric_type (unsigned int size1, unsigned int sign1);
void tree_code_create_function_initial (tree prev_saved,
location_t loc);
void tree_code_create_function_wrapup (location_t loc);
tree tree_code_create_function_prototype (unsigned char* chars,
unsigned int storage_class,
unsigned int ret_type,
struct prod_token_parm_item* parms,
location_t loc);
tree tree_code_create_variable (unsigned int storage_class,
unsigned char* chars,
unsigned int length,
unsigned int expression_type,
tree init,
location_t loc);
void tree_code_output_expression_statement (tree code,
location_t loc);
void tree_code_if_start (tree exp, location_t loc);
void tree_code_if_else (location_t loc);
void tree_code_if_end (location_t loc);
tree tree_code_get_type (int type_num);
void treelang_init_decl_processing (void);
void treelang_finish (void);
bool treelang_init (void);
unsigned int treelang_init_options (unsigned int, const char **);
int treelang_handle_option (size_t scode, const char *arg, int value);
void treelang_parse_file (int debug_flag);
void push_var_level (void);
void pop_var_level (void);
const char* get_string (const char *s, size_t l);