function_definition_ret_var = 0
get_type_ret_var = 0
get_number_ret_var = 0
direct_declarator_ret_var = 0
identifier_ret_var = 0
suffix_declarator_ret_var = 0
post_declarator_ret_var = 0
compound_statment_ret_var = 0
statement_ret_var = 0
expression_statement_ret_var = 0
expression_ret_var = 0
const_expression_ret_var = 0
selection_statement_ret_var = 0
iteration_statement_ret_var = 0
for_statement_ret_var = 0
comparison_expression_ret_var = 0
calculation_expression_ret_var = 0

E_ret_var = None
EE_ret_var = None
T_ret_var = None
TT_ret_var = None
F_ret_var = None

var_loc_table = dict()
var_sum_size = 0
printf_word = 0
