==================== Character1 ==================== char a = 'a'; char b = '\n'; char c = '\v'; char d = '='; char e = '\''; -------------------- (source_file (translation_entity (declaration (declaration_specifier (type_specifier_qualifier (type_specifier))) (init_declarator (identifier) (initializer (assignment_expression (logical_expression (equality_expression (relational_expression (additive_expression (multiplicative_expression (cast_expression (unary_expression (postfix_expression (base_expression (constant (char_literal)))))))))))))))) (translation_entity (declaration (declaration_specifier (type_specifier_qualifier (type_specifier))) (init_declarator (identifier) (initializer (assignment_expression (logical_expression (equality_expression (relational_expression (additive_expression (multiplicative_expression (cast_expression (unary_expression (postfix_expression (base_expression (constant (char_literal)))))))))))))))) (translation_entity (declaration (declaration_specifier (type_specifier_qualifier (type_specifier))) (init_declarator (identifier) (initializer (assignment_expression (logical_expression (equality_expression (relational_expression (additive_expression (multiplicative_expression (cast_expression (unary_expression (postfix_expression (base_expression (constant (char_literal)))))))))))))))) (translation_entity (declaration (declaration_specifier (type_specifier_qualifier (type_specifier))) (init_declarator (identifier) (initializer (assignment_expression (logical_expression (equality_expression (relational_expression (additive_expression (multiplicative_expression (cast_expression (unary_expression (postfix_expression (base_expression (constant (char_literal)))))))))))))))) (translation_entity (declaration (declaration_specifier (type_specifier_qualifier (type_specifier))) (init_declarator (identifier) (initializer (assignment_expression (logical_expression (equality_expression (relational_expression (additive_expression (multiplicative_expression (cast_expression (unary_expression (postfix_expression (base_expression (constant (char_literal)))))))))))))))))