def p_unary_expression_3(self, p):
        """ unary_expression    : SIZEOF unary_expression
                                | SIZEOF LPAREN type_name RPAREN
                                | _ALIGNOF LPAREN type_name RPAREN
        """
        p[0] = c_ast.UnaryOp(
            p[1],
            p[2] if len(p) == 3 else p[3],
            self._token_coord(p, 1))
 unary_expression    : SIZEOF unary_expression
                                | SIZEOF LPAREN type_name RPAREN
                                | _ALIGNOF LPAREN type_name RPAREN
        
Solutions/CyberArkAudit/Data Connectors/.python_packages/lib/site-packages/pycparser/c_parser.py